5-day weather forecast for Ketchikan, Alaska

Weather changeability for Ketchikan, Alaska

Temperature Last Month Last Year
Average change in high temperature day-to-day 4.3° 3.5°
Average change in low temperature day-to-day 3.9° 4.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 31% 22%
Chance of precip day after a dry day 29% 35%

Weather forecast accuracy for Ketchikan, Alaska

Last Month
MeteoGroup   84.62%
The Weather Channel   83.97%
Weather Underground   83.97%
AccuWeather   82.37%
Dark Sky (forecast.io)   80.77%
Foreca   80.45%
World Weather Online   74.04%
NWS Digital Forecast   67.31%
Persistence   49.07%
Last Year
Foreca   80.25%
The Weather Channel   80.07%
AccuWeather   80.02%
MeteoGroup   79.88%
Weather Underground   78.55%
Dark Sky (forecast.io)   77.83%
NWS Digital Forecast   71.27%
World Weather Online   67.49%
Persistence   56.21%

ForecastAdvisor Fact

On average, Persistence's low temperature forecasts for Ketchikan were off by 4.25 degrees last month.