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Weather in Washington, D.C. for August 2026

Your guide to Washington, D.C. weather in August - trends and predictions

    Temperatures

  • An exceptional deviation from the historical average is forecasted for first days of August 2026 in Washington, D.C. with the forecasted temperature being 33.4 °C, much lower than usual.

  • In general, the average temperature in Washington, D.C. at the beginning of August is 34.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 30.9 °C by the end of August.

  • Rain 🌧️

  • The climate of Washington, D.C. in August is notably wet, with an average of 12 rainy days, and a total of 112 mm of precipitation.

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Average dry days
19
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/20°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Washington, D.C. Weather August

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Temperatures trend during August in Washington, D.C.

See the weather trend as well as the moving average line

August weather in Washington, D.C. day by day

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Date Weather Temperatures Rain UV More
Aug. 1 Sunny
Sunny
38° /24° 0.5 mm 9
Aug. 2 Sunny
Sunny
38° /24° 0.1 mm 9
Aug. 3 Sunny
Sunny
40° /24° 17 mm 9
Aug. 4 Partly cloudy
Partly cloudy
31° /19° 1.6 mm 7
Aug. 5 Overcast
Overcast
31° /20° 1.8 mm 7
Aug. 6 Patchy rain possible
Patchy rain possible
32° /21° 2.5 mm 7
Aug. 7 Moderate or heavy rain shower
Moderate or heavy rain shower
29° /20° 3.7 mm 6
Aug. 8 Partly cloudy
Partly cloudy
31° /20° 2.3 mm 7
Aug. 9 Moderate or heavy rain shower
Moderate or heavy rain shower
31° /21° 5.5 mm 7
Aug. 10 Patchy rain possible
Patchy rain possible
32° /20° 6 mm 7
Aug. 11 Moderate rain at times
Moderate rain at times
32° /19° 4.6 mm 7
Aug. 12 Partly cloudy
Partly cloudy
32° /20° 0 mm 7
Aug. 13 Overcast
Overcast
32° /20° 1.1 mm 7
Aug. 14 Moderate or heavy rain shower
Moderate or heavy rain shower
31° /20° 9.6 mm 7
Aug. 15 Moderate or heavy rain shower
Moderate or heavy rain shower
29° /20° 14.4 mm 7
Aug. 16 Heavy rain at times
Heavy rain at times
28° /20° 1.4 mm 6
Aug. 17 Patchy rain possible
Patchy rain possible
31° /20° 3.6 mm 7
Aug. 18 Moderate or heavy rain shower
Moderate or heavy rain shower
29° /20° 4.7 mm 6
Aug. 19 Partly cloudy
Partly cloudy
29° /18° 1.5 mm 7
Aug. 20 Cloudy
Cloudy
29° /18° 2.6 mm 6
Aug. 21 Moderate or heavy rain shower
Moderate or heavy rain shower
28° /18° 4.1 mm 6
Aug. 22 Moderate rain at times
Moderate rain at times
29° /19° 3.5 mm 7
Aug. 23 Partly cloudy
Partly cloudy
29° /17° 0.6 mm 7
Aug. 24 Partly cloudy
Partly cloudy
30° /19° 3.1 mm 7
Aug. 25 Patchy rain possible
Patchy rain possible
33° /20° 8.7 mm 7
Aug. 26 Moderate or heavy rain shower
Moderate or heavy rain shower
32° /19° 0.9 mm 7
Aug. 27 Patchy rain possible
Patchy rain possible
32° /19° 1.5 mm 7
Aug. 28 Moderate or heavy rain shower
Moderate or heavy rain shower
31° /20° 1.9 mm 7
Aug. 29 Overcast
Overcast
29° /19° 1.5 mm 6
Aug. 30 Patchy rain possible
Patchy rain possible
30° /19° 2 mm 7
Aug. 31 Overcast
Overcast
29° /18° 1.6 mm 7
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Important Notice
Our weather forecast for Washington, D.C. in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Washington, D.C. forecast closer to your planned date for the most up-to-date weather information.

Washington, D.C. in August - FAQ

What are the expected maximum and minimum temperatures in Washington, D.C. during August?

Expect warm days with temperatures around 30°, cooling to mild conditions of 20° after sunset. Perfect for those who enjoy warm weather.

How much rainfall should be expected in Washington, D.C. during August?

Significant rainfall exceeding 112 mm is expected in Washington, D.C. during August, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Washington, D.C. during August?

The average wind speed in Washington, D.C. during August is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Washington, D.C.

Explore the daily rainfall trends and prepare for Washington, D.C.s August weather 💧
Typically, Washington, D.C. has 12 rainy days in August with a total of 112 mm of rainfall.

UV exposure in Washington, D.C. during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Location coordinates Where is Washington, D.C.?

Get accurate weather forecasts for Washington, D.C., located at latitude 38.895 and longitude -77.036. Stay updated with localized weather information tailored for Washington, D.C..

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