Today's Weather Forecast - Washington D.C.

Today's weather in Washington D.C.. high 27°C (81°F), low 21°C (70°F). Overcast.

Today’s Hourly Weather Outlook

Morning6 AM – Noon22°
Wind speed
10 km/h
Rain probability
56%
AfternoonNoon – 6 PM25°
Wind speed
12 km/h
Rain probability
6%
Evening6 PM – Midn23°
Wind speed
6 km/h
Rain probability
1%
NightMidn – 6 AM26°
Wind speed
13 km/h
Rain probability
37%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 6:16 AM
Total Daylight
28% of day elapsedSolar noon 1:04 PM
Sunset
Dusk 7:52 PM
Remaining9h 6m
Solar elevation39°
vs yesterday-3 min

Air Quality Index & Health Advice

Air Quality Index

Air quality level
Good
Dominant pollutant
Dominant: PM2.5
Monitoring station
Aurora Hills Visitor Center, Northern Virginia, USA
PM2.5
20μg/m³
PM10
8μg/m³
O₃
10.6ppb
NO₂
7ppb
SO₂
0.2ppb
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 27°C today, with an overnight low around 21°C. Expect a fair chance of rain (56% probability) and a gentle breeze averaging 13 km/h. Air quality is currently Moderate (AQI 60), driven mainly by PM2.5 at 15 μg/m³.

Today vs Normal

27°C0° below normal

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

16 of the last 28 days with published data ran above normal.

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

2026-08-28: 30°C30°2026-08-29: 29°C29°2026-08-30: 31°C31°2026-08-31: 30°C30°2026-09-01: 34°C34°2026-09-02: 31°C31°2026-09-03: 33°C33°2026-09-04: 33°C33°2026-09-05: 28°C28°2026-09-06: 28°C28°2026-09-07: 28°C28°2026-09-08: 30°C30°

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.