5-day weather forecast for Sully, Iowa

Weather changeability for Marshalltown, Iowa

Temperature Last Month Last Year
Average change in high temperature day-to-day 6.2° 6.3°
Average change in low temperature day-to-day 6.9° 7.7°
Precipitation Last Month Last Year
Chance of dry day after a precip day 60% 59%
Chance of precip day after a dry day 11% 24%
 
 

Weather forecast accuracy for Marshalltown, Iowa

Last Month
Foreca   78.40%
The Weather Channel   76.54%
Weather Underground   75.93%
MeteoGroup   75.93%
NWS Digital Forecast   75.10%
AccuWeather   72.84%
World Weather Online   66.98%
Dark Sky (forecast.io)   58.95%
Persistence   50.96%
Last Year
Weather Underground   75.34%
The Weather Channel   75.22%
Foreca   73.60%
AccuWeather   73.49%
MeteoGroup   73.44%
Dark Sky (forecast.io)   69.74%
NWS Digital Forecast   69.37%
World Weather Online   63.61%
Persistence   44.56%
 

ForecastAdvisor Fact

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