5-day weather forecast for Spencer, Iowa

Weather changeability for Spencer, Iowa

Temperature Last Month Last Year
Average change in high temperature day-to-day 7.7° 6.8°
Average change in low temperature day-to-day 10.9° 8.5°
Precipitation Last Month Last Year
Chance of dry day after a precip day 100% 59%
Chance of precip day after a dry day 15% 27%

Weather forecast accuracy for Spencer, Iowa

Last Month
Weather Underground   78.49%
Dark Sky   76.08%
The Weather Channel   74.73%
AccuWeather   72.58%
Foreca   71.77%
NWS Digital Forecast   63.98%
World Weather Online   49.73%
Persistence   39.96%
Last Year
The Weather Channel   76.77%
Weather Underground   73.79%
Foreca   72.93%
AccuWeather   72.29%
Dark Sky   70.88%
MeteoGroup   70.40%
NWS Digital Forecast   65.35%
World Weather Online   55.70%
Persistence   39.81%

ForecastAdvisor Fact

On average, Persistence's high temperature forecasts for Spencer were off by 8.98 degrees last year.