NWS WEATHER
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Nationals Park Weather May 15, 2026: Nationals vs Orioles Forecast — 74°F Mostly Sunny

Best Window First pitch: 73°F, Partly Cloudy, NW wind 8 mph
Rain Risk Low
What To Wear / Bring Sun protection, water, and breathable layers
Useful Links Gameday forecast, tickets, team gear, and weather gear
Nationals Park
Nationals Park
Gameday Plan Nationals Park
Best Window 6 PM: 73°F

Partly Cloudy

Delay Risk Low rain risk

No major rain signal in the available hourly data.

What To Bring Washington Nationals

Prioritize sunscreen, water, and breathable team gear.

Useful Links Weather-matched picks

Tickets, team gear, and weather gear should support the forecast, not distract from it.

Hour-by-Hour Game Day Forecast

12 AM 54°2% rainPartly Cloudy
1 AM 53°2% rainPartly Cloudy
2 AM 53°1% rainPartly Cloudy
3 AM 52°1% rainPartly Cloudy
4 AM 52°1% rainPartly Cloudy
5 AM 52°1% rainPartly Cloudy
6 AM 52°1% rainMostly Sunny
7 AM 51°1% rainSunny
8 AM 54°Sunny
9 AM 56°Sunny
10 AM 60°Sunny
11 AM 62°Mostly Sunny
12 PM 65°Mostly Sunny
1 PM 67°Mostly Sunny
2 PM 69°Mostly Sunny
3 PM 72°Mostly Sunny
4 PM 72°Mostly Sunny
5 PM 72°Mostly Sunny
6 PM 73°Partly Cloudy
7 PM 72°Mostly Cloudy
8 PM 69°Mostly Cloudy
9 PM 66°Partly Cloudy
10 PM 63°Partly Cloudy
11 PM 61°Mostly Clear

Friday night at Nationals Park delivers one of the better spring baseball evenings DC has seen this month — and the Beltway Series makes it even better. First pitch against the Baltimore Orioles is 6:45 PM EDT, with the National Weather Service forecasting mostly sunny skies, a daytime high near 74°F, and clear conditions straight through the final out.

Game Weather Bottom Line

Game-time temperatures will ease from the day’s high near 74°F toward an overnight low around 53°F — expect the upper 60s at first pitch and mid-50s by the final innings, per the National Weather Service. Northwest winds run around 12 mph with gusts up to 20 mph during the afternoon, settling considerably by evening. Clear skies hold all night. This is a genuinely great night to be at the ballpark.

Rain Delay And Wind Risk

None. The National Weather Service puts Friday’s precipitation probability at 1% during the day and 0% Friday night. Any lingering showers from Thursday clear well before first pitch. Afternoon gusts up to 20 mph calm significantly by game time. No weather flag here — just baseball.

What To Wear And Bring

Layer for the temperature swing. The gap between a 74°F afternoon and a 53°F ninth inning is real. A Washington Nationals jersey or Washington Nationals t-shirt is exactly right for the rivalry atmosphere, but bring something to layer over it once the sun drops below the upper deck.

A stadium blanket earns its spot in your bag tonight — you’ll want it by the seventh-inning stretch when the chill sets in. Top off the look with a Washington Nationals fitted cap for the pre-game sun.

If you’re arriving early for batting practice, pack a sunscreen stick SPF 50 — the May sun stays strong well into early evening. And if you’re sitting in the lower deck along the first or third base lines, a baseball glove is never a bad call when the Beltway Series crowd is fired up.

Tailgating And Arrival Window

This is the best tailgating weather of the week. Clear skies, around 70°F, a light northwest breeze — fire up the portable propane grill by 4:30 PM and you’ve got a solid two-hour window before the walk to the gates.

Move drinks and food in a rolling cooler with wheels to save your back across the lot. Want ice to hold into the cool evening? The Yeti tundra cooler is built for exactly that — ideal when temps slip below 55°F in the later innings. Traveling lighter? A soft cooler 24 can handles a crew of two or three with ease.

Gates open roughly 90 minutes before first pitch — around 5:15 PM. On a DC Friday, the Capitol Hill and downtown commuter surge runs heavy between 5:00 and 6:00 PM. Aim to arrive by 5:30 PM or give yourself extra buffer if you’re crossing the river from Virginia.

The Beltway Series draws fans from both sides of the rivalry, and clear weather only adds to the demand. Get tickets on SeatGeek or Find tickets on StubHub if you’re still hunting for seats.

Both clubs are sitting just below .500 — the Nationals come in at 21-22 on a two-game win streak, the Orioles at 20-24 having taken their last one as well. Neither team is running away with anything, which makes this one feel like a reset — bragging rights on a beautiful May night. Nationals Park gets loud for Baltimore. Show up and make it louder.

Dress the part: a Washington Nationals jersey stands out under clear evening skies. Pack a stadium blanket for the late innings, a sunscreen stick SPF 50 if you’re arriving early, and your Washington Nationals fitted cap for the pre-game sun. Leave the umbrella at home — tonight, you absolutely won’t need it.