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Why this could be D.C.’s hottest summer in at least several years

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Why this could be D.C.’s hottest summer in at least several years


Washingtonians should brace themselves for potentially the hottest summer since at least 2020, with long stretches of 90-degree weather and the chance to surpass the century mark for the first time since 2016. Factoring in the District’s trademark humidity, expect brutal, sauna-like conditions at times.

Even though D.C. summers are almost always hot and humid, this one could rank among the elite in those categories. Our detailed summer outlook follows.

The summer will mark a continuation of a very warm start to 2024. Despite closing with some seasonably cool days, May will be the District’s sixth-consecutive warmer-than-normal month. While we haven’t hit 90 degrees since a few weeks ago and the air is delightfully refreshing, summer always prevails as we progress through June.

Although we don’t think it will be a memorably hot summer like those in the brutal stretch from 2010 to 2012 — the three hottest on record — this summer should be noticeably warmer than last year’s, when the number of 90-degree days was actually below normal and the average temperature was 0.8 degrees cooler than the norm.

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Recent summers comparable to what we expect this year would be 2020 and 2016, which ranked fifth-hottest and third-hottest in records dating to 1872.

Assuming summer temperatures end up above normal as predicted, it’s worth noting that our “new normal” summer is hotter than it was a few decades ago. In other words, a summer that’s only somewhat warmer than normal in today’s climate would have been historically hot a few decades ago.

The area’s average high from July 6 to 27 is around 90 degrees, whereas it was previously in the upper 80s. Human-caused climate change has boosted average temperatures by over 1 degree in the past 30 years.

When putting together a summer outlook, we’re less likely to see the signals for extreme warmth or cold (relative to average) that we sometimes see in advance of winter. As such, this outlook is of low-to-medium confidence. This kind of seasonal forecasting is experimental, and errors are possible.

This outlook covers the period known as “meteorological” summer — or June 1 through Aug. 31.

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Summer outlook by the numbers

June through August average temperature: About 1 degree above the average from 1991 to 2020.

Temperatures compared to average by month:

  • June: 1 to 2 degrees above average.
  • July: 1 degree above average.
  • August: 1 degree above average.

Number of 90-degree days for June, July and August: 40, compared with an average of 34. Note that an additional six days of 90-degree temps occur on average outside June to August.

Longest streak of 90-degree days: 8 to 10 days.

Number of 100-degree days: 1 to 2.

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Precipitation: Slightly below-average.

We considered several factors, described below, in preparing this outlook. It should be noted that any one factor doesn’t necessarily correlate with a particular kind of summer (e.g., warm, cool, dry or wet).

We are experiencing a rapidly waning El Niño event, and there’s a strong possibility that a La Niña pattern develops by late in the summer. The presence of either El Niño or La Niña in the tropical Pacific Ocean sometimes makes predicting summer conditions easier, as El Niños can favor cooler summers, while La Niñas favor hotter summers. When conditions are neutral, as we expect this summer, the signal from the Niño regions isn’t as strong.

In addition to El Niño and La Niña, we considered the persistently negative phase of the Pacific Decadal Oscillation and predecessor weather patterns from the spring. These inputs informed the identification of analogues, or years with similar weather patterns, that we used in putting together our outlook.

In this case, the summers of 1998 and 2010 emerged as the best analogues. The weather during those summers was given some loose consideration in our projections for the one that is about to begin.

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Washington, D.C

9 Entertaining Events to Celebrate Fourth of July Around the DC Area

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9 Entertaining Events to Celebrate Fourth of July Around the DC Area


Photograph by SBWorldphotography/Getty Images.

There’s no shortage of places to commemorate this year’s 249th Independence Day. You can watch the grand fireworks show from the National Mall, attend a patriotic parade in downtown DC, or toast to America’s birthday aboard a dinner cruise. Plus, there’s a pre-fireworks show at the Nationals’ baseball game. Here are some of the best ways to celebrate July 4 around DC:

Independence Day with the Nationals

July 3-4

location_on Nationals Park

Get a sneak peak of Independence Day sparkles at Nats Park on July 3. Our home team takes on the Detroit Tigers that day, and fans can catch a postgame fireworks show at the stadium. The next day, the annual holiday baseball matinee will feature free beer and a special tribute to America ($19+).

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National Independence Day Parade

July 4

location_on Downtown DC

Don your red, white, and blue, and head to Constitution Avenue for the annual National Independence Day Parade. The patriotic afternoon stroll will take place along Constitution Avenue from 7th Street, NW, to 17th Street, NW. Expect to see parade floats, military units, fife and drum corps, marching bands, and drill teams. To skip the parade crowds, you can catch a virtual replay of the parade  (free).

 

Fourth of July Celebration with the US Navy Concert Band

July 4

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location_on Merriweather Park at Symphony Woods

If you’re looking for a pre-fireworks activity, families can listen to a live concert at Merriweather Park at Symphony Woods. Bring a chair or blanket, and stake out a spot on the lawn as the US Navy Concert Band performs on the Chrysalis Stage (free).

 

July Fourth Backyard Barbecue

July 4

location_on Salamander Washington DC

A grilling station, oyster bar, ice cream, and shareable dips will be served at Salamander Washington DC to commemorate Independence Day. The spirited meal will take place on the hotel’s luxe Grand Lawn overlooking the Washington Marina. The family-friendly evening includes activities for kids, carnival-inspired treats such as cotton candy, and cookie decorating  ($203 for adults, $101 for children ages 4 to 10). Or, take a day trip to Salamander’s Middleburg location for an Independence Day buffet and lawn games ($115 for adults, $50 for children ages 3 to 12).

 

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Reading of the Declaration of Independence

July 4

location_on National Archives

Year-round visitors to the National Archives can learn about the Declaration of Independence, of course. But every July fourth, museum-goers get to listen in on a reading of the historic document by founding father reenactors, as well as live music performances. At this year’s celebration, The Crossroads Brass Band and Quantico Marine Band will perform. Also, the entire family can explore the inside of the museum and participate in hands-on activities such as autographing the Declaration of Independence (free).

 

Organ Recital with the US Army Brass Quintet

July 4

location_on Washington National Cathedral

Here’s an indoor holiday commemoration if you’re looking to escape the summer heat: the Washington National Cathedral presents a musical celebration showcasing the world premiere of Fantasia for brass quintet and organ by David Hurd. You can listen to the melodies of the US Army Band “Pershing’s Own” brass quintet, and timpani and Cathedral organist Edward Hewes in-person or virtual (free).

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Fourth of July Dining Cruise

Set sail across the Potomac River from the Wharf aboard one of City Cruises’s boats. Fourth of July cruisers can choose between a late-morning buffet brunch cruise with unlimited mimosas, or an evening cruise serving a three-course plated dinner; both options include live beats by an onboard DJ. If you want dancing and fireworks, we recommend taking the evening cruise for a spectacular view of the fireworks show from inside the boat or from the open-air roof deck ($105+).

 

A Capitol Fourth Concert

July 4

location_on US Capitol

A lineup of musicians will ring in the country’s birthday with a concert on the West Lawn of the US Capitol. This year’s performers include concert ensembles such as Patrick Lundy and the Ministers of Music, The Choral Arts Society of Washington, and classical conductor Jack Everly. You can attend the music showcase in person, or watch the PBS broadcast (free).

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Fireworks on the National Mall

July 4

location_on National Mall

Our favorite Fourth of July celebration returns to light up the National Mall on July 4 at 9:09 PM. Spectators can view a nearly 20-minute fireworks show that launches from both sides of the Lincoln Memorial Reflecting Pool. We recommend reviewing the National Park Service’s entry point locations to help navigate the usually crowded event (free).

Briana A. Thomas is a local journalist, historian, and tour guide who specializes in the research of D.C. history and culture. She is the author of the Black history book, Black Broadway in Washington, D.C., a story that was first published in Washingtonian in 2016.

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Heat alerts have been activated for DC. Here's how to stay safe

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Heat alerts have been activated for DC. Here's how to stay safe


D.C. Mayor Muriel Bowser has activated a heat alert for Sunday and an extreme heat alert for Monday, Tuesday and Wednesday.

A heat alert means that temperatures will feel like 94 to 104 degrees, and an extreme heat alert means temperatures will feel like 105 degrees or higher.

The District has opened cooling centers as well as low barrier shelters and day centers for those experiencing homelessness. The city’s pools and splash pads are open, too. You can find a map of cooling centers here. If you or someone else needs free and accessible transportation to a cooling center, the shelter hotline can be called at (202) 399-7093 or call 311.

It’s recommended people stay indoors as much as possible, but if you have to be outside, doctors recommend staying hydrated, wearing lightweight and loose clothing, wearing sunscreen and avoiding strenuous activities to prevent heat related illnesses.

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For the safety of both pets and their owners, pets should be kept inside. Walks should be done early in the morning with water breaks.

If you see an animal left outside or in a hot vehicle, the Brandywine Valley SPCA can be called at 202-888-7387.

D.C. leaders also want to remind people to make sure they’re checking in on seniors and vulnerable neighbors.

Signs of heat-related illness

In a heatwave like this, knowing the signs and symptoms of heat-related illnesses is crucial.

Heat cramps can sometimes be the first sign of a more serious heat-related illness, like heat exhaustion or heat stroke, according to the National Weather Service. Symptoms include painful cramps or spasms and can be treated by applying firm pressure to the muscle. As long as the person isn’t nauseous, they can also be given water.

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If symptoms last for over an hour, worsen or the person vomits, seek medical attention.

There is also a risk of heat exhuastion, which is marked by the following symptoms:

If these symptoms last for over an hour, get worse or vomiting occurs, seek immediate medical attention, the National Weather Service said.

Move the person to a cooler area, loosen their clothing, offer sips of water and apply cool, wet cloths or have them sit in a cool bath.

Also look out for heatstroke, which is always a medical emergency and can be fatal if not treated quickly. If heatstroke is suspected, call 911 or get the person to the hospital, per the National Weather Service.

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In the meantime, try to reduce their body temperature using cool, wet cloths or a bath. A fan can also be used, but only if the heat index is below 90 degrees, otherwise it could do more harm than good.

The symptoms are not that different than those of heat exhaustion and can include:

  • Headache
  • Confusion
  • Nausea
  • Dizziness
  • Body temperature above 103 degrees
  • Hot, red, dry or damp skin
  • Rapid and strong pulse
  • Fainting or loss of consciousness

People taking certain over-the-counter or prescription medications should be especially cautious, as many common ones raise the risk of developing a heat-related illness, according to the Centers for Disease Control and Prevention.

Never leave children or pets alone in a vehicle

Within 10 minutes, the temperature inside a car can get 19 degrees higher than it is outside, according to StormTeam4. So with temperatures being in the 90s this week, it can be over 100 degrees inside a vehicle.

Cracking a window is not effective in alleviating the heat, and staying in a hot car can be fatal, with victims often being children or pets.

Thirty-nine children died of heatstroke in vehicles in 2024, up 35% from 2023, according to the National Highway Traffic Safety Administration.

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It only takes 15 minutes for an animal to suffer from heat-related illness or death in a vehicle.

Make sure car doors are locked and that keys are out of the reach of children so they aren’t able to get in by themselves. Always lock the doors after leaving the car and check the back seats.



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New York to Washington DC: Full list of US cities on alert after US bombing of Iran nuclear sites

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New York to Washington DC: Full list of US cities on alert after US bombing of Iran nuclear sites


Hours after President Donald Trump announced that the US had conducted precision strikes on Iranian nuclear sites on Saturday, several major American cities were put on alert. Authorities have ramped up patrols at Jewish and diplomatic sites in New York City, Los Angeles, and Washington, DC. 

New York City was put on alert after US struck three Iranian nuclear sites(AFP)

Earlier in the day, the US struck three Iranian nuclear facilities – Fordow, Natanz, and Isfahan – using its B-2 stealth bombers and Tomahawk missiles. “Iran’s key nuclear enrichment facilities have been completely and totally obliterated. Iran the bully of the Middle East must now make peace,” Trump said. 

Read More: Iran ‘reserves all options’ to defend itself after US strikes, says foreign minister

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In New York, the NYPD ramped up patrols in certain areas. “We’re tracking the situation unfolding in Iran,” the NYPD posted on X, platform formerly known as Twitter, adding, “Out of an abundance of caution, we’re deploying additional resources to religious, cultural, and diplomatic sites across NYC and coordinating with our federal partners. We’ll continue to monitor for any potential impact to NYC.” No specific threats have been reported yet. 

Washington DC’s Metropolitan Police Department issued a similar statement: “The Metropolitan Police Department is closely monitoring the events in Iran. We are actively coordinating with our local, state, and federal law enforcement partners to share intelligence in order to help safeguard residents, businesses, and visitors in the District of Columbia.”

The MPD noted no known threats but increased presence at religious sites. 

Los Angeles Mayor Karen Bass addressed the situation on X: “There are no known credible threats at this time and out of an abundance of caution, LAPD is stepping up patrols near places of worship, community gathering spaces and other sensitive sites. We will remain vigilant in protecting our communities.” 

Read More: B2 deployment, US strike, Trump’s threat: Israel-Iran conflict deepens in 24 hours | All that happened

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The LAPD coordinated with state and federal agencies. 

Paul Mauro, a former NYPD Inspector and Fox News contributor, explained the strategy: “[NYPD] will put out special attention patrol cars at locations that could track to the conflict in places that have an Israeli connection, and there’s a couple of Shia mosques – Iran, is Shia – and there are a couple of Shia mosques. You never know what’s going to develop. So [they’ll] liaise with those communities. They’ll talk to them, they’ll put special patrol, special attention patrol.” 

He added, “In some instances, they’ll even put out what they call a ‘HOW’ car, which is called a ‘house of worship car,’ which is, they’ll park a marked car right in front of the location.”

Mauro emphasized monitoring online threats: “You’re going to look very closely online. You’re going to be monitoring a lot of the online stuff. NYPD has a very robust cyber counterterrorism program, and you’re going to do that very heavily.” 

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