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 2.6° 3.5°
Average change in low temperature day-to-day 5.8° 4.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 29% 22%
Chance of precip day after a dry day 14% 35%
 
 

Weather forecast accuracy for Ketchikan, Alaska

Last Month
Foreca   91.05%
AccuWeather   90.12%
The Weather Channel   86.73%
Weather Underground   86.73%
MeteoGroup   84.88%
Dark Sky (forecast.io)   81.17%
NWS Digital Forecast   75.00%
World Weather Online   74.38%
Persistence   66.96%
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, Weather Underground's high temperature forecasts for Ketchikan were off by 2.26 degrees last month.