5-day weather forecast for Annandale, Virginia

Weather changeability for Washington, District of Columbia

Temperature Last Month Last Year
Average change in high temperature day-to-day 4.9° 5.9°
Average change in low temperature day-to-day 4.0° 5.9°
Precipitation Last Month Last Year
Chance of dry day after a precip day 75% 53%
Chance of precip day after a dry day 12% 22%

Weather forecast accuracy for Washington, District of Columbia

Last Month
MeteoGroup   88.51%
AccuWeather   87.93%
Weather Underground   86.78%
Foreca   86.78%
The Weather Channel   86.21%
NWS Digital Forecast   77.30%
Dark Sky (forecast.io)   77.01%
World Weather Online   64.08%
Persistence   60.81%
Last Year
Weather Underground   81.08%
The Weather Channel   80.74%
Foreca   79.53%
AccuWeather   78.82%
MeteoGroup   78.56%
Dark Sky (forecast.io)   75.43%
NWS Digital Forecast   70.63%
World Weather Online   63.90%
Persistence   48.75%

ForecastAdvisor Fact

ForecastWatch.com is the largest provider of weather forecast accuracy statistics.