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Washington, DC Weather


Washington, DC climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 30's.

The warmest month of the year is July with an average maximum temperature of 88.30 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 27.30 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 18 degrees Fahrenheit, and fairly limited during winter with an average difference of 16 degrees Fahrenheit.

The annual average precipitation at Washington is 39.35 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 3.82 Inches.

Weather Data

Current Conditions

(Updated: 7:52 AM EDT SAT AUG 30 2008)

Overcast Overcast, 72°F Humidity: 82% Dewpoint: 66°F
Wind Speed: NW 6 MPH Heat Index: 72°F
Barometer: 30.03 in. Wind Chill: 72°F

Weather Forecast

(Generated: 3:01 AM EDT SAT AUG 30 2008)
Hi: 89°F Today: Areas of fog this morning. Mostly cloudy this morning... Then partly sunny with a chance of showers and thunderstorms this afternoon. Highs in the upper 80s. Northwest winds around 5 mph. Chance of rain 30 percent.
Lo: 65°F
Hi: 89°F Sunday: Mostly sunny. Highs in the upper 80s. Northeast winds 10 to 15 mph.
Lo: 65°F
Hi: 89°F Labor day: Sunny. Highs in the upper 80s. East winds 5 to 10 mph.
Lo: 65°F
Hi: 91°F Tuesday: Sunny. Highs in the lower 90s.
Lo: 65°F
Hi: 91°F Wednesday: Sunny. Highs in the lower 90s.
Lo: 69°F
Hi: 91°F Thursday: Sunny. Highs in the lower 90s.
Lo: 69°F

Moon, Sunrise and Sunset

New Moon Moon Phase: New Moon Civil Twilight:
6:07 AM EDT
Sunrise:
6:34 AM EDT
Sunset:
7:42 PM EDT
Civil Twilight:
8:09 PM EDT

Normal Climate

Normal Temperatures

(WASHINGTON REAGAN NTL AP Weather station, 1.76 miles from Washington)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 42.5 46.5 55.7 66.3 75.4 83.9 88.3 86.3 79.3 68.0 57.3 47.0 66.4
Mean °F 34.9 38.1 46.5 56.1 65.6 74.5 79.2 77.4 70.5 58.8 48.7 39.5 57.5
Min °F 27.3 29.7 37.3 45.9 55.8 65.0 70.1 68.6 61.8 49.6 40.0 32.0 48.6

Normal Precipitation

(WASHINGTON REAGAN NTL AP Weather station, 1.76 miles from Washington)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 3.21 2.63 3.60 2.77 3.82 3.13 3.66 3.44 3.79 3.22 3.03 3.05 39.35