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 3.3° 3.9°
Average change in low temperature day-to-day 4.0° 3.9°
Precipitation Last Month Last Year
Chance of dry day after a precip day 50% 29%
Chance of precip day after a dry day 22% 24%

Weather forecast accuracy for Seattle, Washington

Last Month
AccuWeather   87.93%
Foreca   84.48%
The Weather Channel   83.62%
Weather Underground   83.62%
NWS Digital Forecast   80.46%
MeteoGroup   79.02%
Dark Sky (forecast.io)   79.02%
World Weather Online   55.75%
Persistence   54.62%
Last Year
The Weather Channel   83.49%
Weather Underground   82.88%
AccuWeather   81.46%
Foreca   79.70%
Dark Sky (forecast.io)   78.15%
MeteoGroup   78.12%
NWS Digital Forecast   75.66%
World Weather Online   66.96%
Persistence   57.23%

ForecastAdvisor Fact

On average, World Weather Online's high temperature forecasts for Seattle were off by 4.13 degrees last month.