Today's Weather Forecast - Washington D.C.

Today's weather in Washington D.C.. high 32°C (90°F), low 24°C (75°F). Overcast.

Today’s Hourly Weather Outlook

Morning6 AM – Noon26°
Wind speed
9 km/h
Rain probability
12%
AfternoonNoon – 6 PM31°
Wind speed
12 km/h
Rain probability
17%
Evening6 PM – Midn28°
Wind speed
11 km/h
Rain probability
9%
NightMidn – 6 AM25°
Wind speed
13 km/h
Rain probability
2%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 6:15 AM
Total Daylight
89% of day elapsedSolar noon 1:04 PM
Sunset
Dusk 7:54 PM
Remaining1h 25m
Solar elevation16°
vs yesterday-4 min

Air Quality Index & Health Advice

Air Quality Index

Air quality level
Good
Dominant pollutant
Dominant: O3
Monitoring station
Aurora Hills Visitor Center, Northern Virginia, USA
PM2.5
18μg/m³
PM10
9μg/m³
O₃
19.9ppb
NO₂
1ppb
SO₂
0.3ppb
CO
0.1ppm
0Good → Hazardous300+

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Washington D.C. is forecast to reach a high of 32°C today, with an overnight low around 24°C. That's 5° above the long-term average high of 27°C for this time of year. Expect a low chance of rain (17% probability) and a gentle breeze averaging 13 km/h. Air quality is currently Moderate (AQI 55), driven mainly by O₃ at 119 μg/m³.

Today vs Normal

32°C+5° above normal

The long-term average high for today is 27°C.

10 of the last 20 days with published data ran above normal.

That's a break from the pattern - today's forecast runs above normal even though the recent stretch mostly ran below.

2026-08-19: 31°C31°2026-08-20: 32°C32°2026-08-21: 29°C29°2026-08-22: 26°C26°2026-08-23: 28°C28°2026-08-24: 28°C28°2026-08-25: 28°C28°2026-08-26: 29°C29°2026-08-27: 31°C31°2026-08-28: 30°C30°2026-08-29: 29°C29°2026-08-30: 31°C31°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Moderate

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.