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 3.1° 3.4°
Average change in low temperature day-to-day 4.8° 4.5°
Precipitation Last Month Last Year
Chance of dry day after a precip day 16% 19%
Chance of precip day after a dry day 33% 30%

Weather forecast accuracy for Ketchikan, Alaska

Last Month
AccuWeather   85.48%
The Weather Channel   85.22%
Weather Underground   83.87%
Foreca   83.87%
MeteoGroup   83.60%
Dark Sky (forecast.io)   77.69%
NWS Digital Forecast   74.17%
World Weather Online   72.58%
Persistence   60.22%
Last Year
Weather Underground   84.97%
AccuWeather   84.84%
The Weather Channel   84.79%
Foreca   84.39%
MeteoGroup   83.88%
Dark Sky (forecast.io)   78.98%
NWS Digital Forecast   73.78%
World Weather Online   66.45%
Persistence   57.66%

ForecastAdvisor Fact

On average, NWS Digital Forecast's high temperature forecasts for Ketchikan were off by 2.22 degrees last month.