- Clothing
- Light layers work well; a jacket for the evening.
Tomorrow's Weather Forecast - Washington D.C.
Tomorrow's weather in Washington D.C.. high 29°C (84°F), low 22°C (72°F). Overcast.
Tomorrow’s Outlook
Tomorrow will be 3°C cooler than today. Light rain is possible, though a 25% peak chance means much of the day could stay dry. That risk lines up with humidity averaging 68% through the day the more moisture in the air, the more readily clouds build into showers. Humidity sits at a moderate 68%, so the air shouldn't feel unusually damp or dry. Winds stay light and calm, rarely topping 9 km/h. Sunrise is at 6:46 AM and sunset at 7:22 PM, for about 12h 37m of daylight.
- Tomorrow
- 29°/ 22°
- Today32° / 24°
Tomorrow’s Hourly Weather Outlook
Morning6 AM – Noon23°
- Rain probability
- 16%
- Wind speed
- 8 km/h
AfternoonNoon – 6 PM27°
- Rain probability
- 9%
- Wind speed
- 9 km/h
Evening6 PM – Midn25°
- Rain probability
- 5%
- Wind speed
- 9 km/h
NightMidn – 6 AM25°
- Rain probability
- 25%
- Wind speed
- 5 km/h
24-Hour Rain & Temperature Forecast
Tomorrow11 Sep
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Planning Advice for Tomorrow
- Outdoor
- Good conditions for outdoor activities.
- Travel
- Standard travel conditions expected.
Sunrise & Sunset
Sunrise
Dawn 6:16 AMTotal Daylight
Full day forecastSolar noon 1:04 PM
Sunset
Dusk 7:52 PMvs today-2 min daylight
Sunrise shift1 min later
Sunset shift2 min earlier
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Washington D.C. is forecast to reach a high of 29°C tomorrow, with an overnight low around 22°C. That's 2° above the long-term average high of 27°C for this time of year. Expect a low chance of rain (25% probability) and a gentle breeze averaging 9 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.
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.