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 3.1° 4.3°
Average change in low temperature day-to-day 6.1° 3.6°
Precipitation Last Month Last Year
Chance of dry day after a precip day 33% 26%
Chance of precip day after a dry day 50% 19%

Weather forecast accuracy for Seattle, Washington

Last Month
Foreca   89.44%
Weather Underground   85.83%
The Weather Channel   85.28%
AccuWeather   84.72%
MeteoGroup   80.56%
NWS Digital Forecast   76.11%
Dark Sky (forecast.io)   71.67%
World Weather Online   59.44%
Persistence   45.83%
Last Year
Weather Underground   86.39%
The Weather Channel   86.36%
AccuWeather   85.06%
Foreca   84.23%
MeteoGroup   82.65%
NWS Digital Forecast   82.53%
Dark Sky (forecast.io)   77.74%
World Weather Online   65.56%
Persistence   58.16%

ForecastAdvisor Fact

0.0% of Dark Sky (forecast.io)'s high temperature forecasts for Seattle were off by more than 10 degrees last month.