5-day weather forecast for Seattle, Washington

Weather changeability for Seattle, Washington

Temperature Last Month Last Year
Average change in high temperature day-to-day 5.1° 4.2°
Average change in low temperature day-to-day 2.6° 3.4°
Precipitation Last Month Last Year
Chance of dry day after a precip day 29% 31%
Chance of precip day after a dry day 13% 28%

Weather forecast accuracy for Seattle, Washington

Last Month
The Weather Channel   89.37%
Weather Underground   89.37%
AccuWeather   88.51%
Foreca   87.07%
Dark Sky (forecast.io)   80.75%
NWS Digital Forecast   79.60%
MeteoGroup   76.15%
World Weather Online   68.10%
Persistence   58.61%
Last Year
Weather Underground   83.37%
The Weather Channel   83.13%
AccuWeather   82.48%
Foreca   81.20%
MeteoGroup   78.57%
Dark Sky (forecast.io)   78.10%
NWS Digital Forecast   77.64%
World Weather Online   68.18%
Persistence   55.50%

ForecastAdvisor Fact

5.5% of Persistence's low temperature forecasts for Seattle were off by more than 10 degrees last year.