5-day weather forecast for Arlington, Virginia

Weather changeability for Washington, District of Columbia

Temperature Last Month Last Year
Average change in high temperature day-to-day 5.6° 5.7°
Average change in low temperature day-to-day 6.4° 5.5°
Precipitation Last Month Last Year
Chance of dry day after a precip day 67% 61%
Chance of precip day after a dry day 13% 28%
 
 

Weather forecast accuracy for Washington, District of Columbia

Last Month
The Weather Channel   83.04%
Intellicast   83.04%
National Weather Service   81.25%
AccuWeather   80.62%
CustomWeather   78.87%
Weather Underground   78.57%
NWS Digital Forecast   77.85%
World Weather Online   69.05%
Persistence   43.68%
Last Year
The Weather Channel   77.06%
Intellicast   77.06%
National Weather Service   74.50%
AccuWeather   72.00%
NWS Digital Forecast   70.87%
CustomWeather   70.17%
Persistence   44.49%
 

ForecastAdvisor Fact

78.4% of Intellicast's low temperature forecasts for Washington were within 3 degrees of actual temperatures last year.