5-day weather forecast for Walla Walla, Washington

Weather changeability for Walla Walla, Washington

Temperature Last Month Last Year
Average change in high temperature day-to-day 6.5° 5.2°
Average change in low temperature day-to-day 6.0° 5.1°
Precipitation Last Month Last Year
Chance of dry day after a precip day 31% 46%
Chance of precip day after a dry day 22% 21%

Weather forecast accuracy for Walla Walla, Washington

Last Month
Weather Underground   71.07%
The Weather Channel   70.49%
Foreca   70.14%
Dark Sky (forecast.io)   67.01%
AccuWeather   64.58%
NWS Digital Forecast   58.69%
World Weather Online   57.29%
Persistence   44.07%
Last Year
AccuWeather   78.43%
The Weather Channel   77.24%
Weather Underground   77.16%
Foreca   77.03%
NWS Digital Forecast   73.42%
Dark Sky (forecast.io)   70.13%
World Weather Online   64.09%
Persistence   50.41%

ForecastAdvisor Fact

4.2% of World Weather Online's high temperature forecasts for Walla Walla were off by more than 10 degrees last month.