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Weather Washington, DC

Washington DC Weather Sunday: Sunny and 93°F Before Storm Chances Climb Monday

Best Window Sunday: 93°F, Mostly Sunny
Rain Risk Elevated
What To Wear / Bring Rain layer, water-resistant shoes, and a backup indoor plan
Useful Links Local forecast, radar, and relevant planning links
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7-Day Forecast

Sun 93°Mostly Sunny
Mon 96°Sunny then S...
Tue 92°Partly Sunny...
Wed 90°Slight Chanc...
Thu 89°Chance Showe...
Fri 86°Slight Chanc...
Sat 85°Slight Chanc...

Washington, DC gets a mostly sunny Sunday with a high near 93°F and only a 4% chance of rain — the calmest weather day the region has seen in a while, according to the National Weather Service. If you’ve been waiting to get outside around the National Mall or the Tidal Basin, today’s your window before humidity and storm chances climb again tomorrow.

Today’s Setup

The NWS forecast discussion from the Baltimore/Washington office notes we’re between shortwave impulses today, which is meteorologist-speak for “storms are suppressed.” A strengthening ridge offshore and west-to-southwest flow aloft keep most of the DC area dry, with only isolated storms possible well south of the city along and south of I-64 — not really a Beltway concern. Winds stay light out of the west at 3 to 8 mph, and overnight lows only dip to around 75°F, so it stays sticky after dark.

Best Window To Be Outside

Early morning through midday is the sweet spot — before peak heat builds and before any weekend crowds hit spots like the Georgetown waterfront or Anacostia Riverwalk Trail. It’s also a solid window for golf at one of the region’s public courses or a morning fishing trip on the Potomac, since winds stay light and skies stay mostly clear. If you’re on the water, an UPF 50+ Sun Hoodie deal is worth grabbing for $5 this fishing season.

Storm Risk Returns Monday

Monday turns hotter (high near 96°F, heat index as high as 103°F) and less quiet. The NWS discussion says another piece of shortwave energy moving in raises the chance of scattered to numerous thunderstorms Monday afternoon and evening, with the Storm Prediction Center placing most of the DC/Baltimore forecast area in a Marginal Risk (Level 1 of 5) for severe weather. Gusty winds, brief heavy downpours, and frequent lightning are the main concerns — nothing widespread, but enough to plan around if you’re outdoors after 2 PM Monday.

What To Wear Or Bring

With heat and humidity both high, moisture wicking undershirts men’s styles are a smart call for anyone outside for extended periods today or tomorrow. Stay hydrated and take shade breaks during the hottest stretch of the afternoon.

Game Day & Weekend Events

It’s a busy sports Sunday in DC: the Washington Nationals host the Cincinnati Reds (Kids Lunch Box game) at Nationals Park, and the Mystics take on the Phoenix Mercury for Pax’s Birthday Bash at CareFirst Arena — both today, August 9. With highs near 93°F, hydrate before heading in. Get tickets on SeatGeek or find tickets on StubHub for either game, and pick up official team gear on Fanatics before first pitch or tip-off. Music fans can catch Noname at Howard Theatre tonight, with Dogstar playing 9:30 Club Tuesday, August 11.

Tonight’s Dinner

With dry, warm evening air settling in around 75°F, tonight is prime grilling weather — burgers, steaks, or grilled chicken with corn on the cob all work well. An instant-read meat thermometer and a grill brush and scraper set will make cleanup and doneness checks easy. Need ingredients? You can order groceries on Amazon and have everything for tonight’s dinner delivered to your door.

Next Few Days

Expect the heat and humidity to stick around into Monday, with shower and thunderstorm chances continuing through at least Saturday as the region waits on a cold front for real relief. Check back for updates as that front’s timing firms up.

Upcoming Home Games

Plan around the forecast — grab tickets, gear up, and see kickoff conditions.

Washington Nationals vs Cincinnati Reds: Kids Lunch Box
Sun, Aug 9 · Nationals Park
DC Power FC vs Carolina Ascent FC
Sat, Aug 15 · Audi Field
Mystics vs Phoenix Mercury (Pax's Birthday Bash)
Sun, Aug 9 · CareFirst Arena

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