5-day weather forecast for Fort Belvoir, Virginia

Weather changeability for Washington, District of Columbia

Temperature Last Month Last Year
Average change in high temperature day-to-day 8.1° 6.0°
Average change in low temperature day-to-day 11.6° 6.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 88% 63%
Chance of precip day after a dry day 32% 27%

Weather forecast accuracy for Washington, District of Columbia

Last Month
Foreca   83.06%
AccuWeather   80.65%
MeteoGroup   80.38%
The Weather Channel   79.30%
Weather Underground   78.61%
NWS Digital Forecast   75.54%
Dark Sky (forecast.io)   74.46%
World Weather Online   60.22%
Persistence   35.28%
Last Year
MeteoGroup   80.53%
AccuWeather   79.80%
Weather Underground   79.77%
The Weather Channel   79.60%
Foreca   78.88%
Dark Sky (forecast.io)   69.23%
NWS Digital Forecast   68.87%
World Weather Online   58.83%
Persistence   45.10%

ForecastAdvisor Fact

0.4% of The Weather Channel's low temperature forecasts for Washington were off by more than 10 degrees last year.