5-day weather forecast for Marshalltown, Iowa

Weather changeability for Marshalltown, Iowa

Temperature Last Month Last Year
Average change in high temperature day-to-day 6.1° 6.4°
Average change in low temperature day-to-day 9.5° 7.5°
Precipitation Last Month Last Year
Chance of dry day after a precip day 54% 53%
Chance of precip day after a dry day 41% 17%
 
 

Weather forecast accuracy for Marshalltown, Iowa

Last Month
Dark Sky (forecast.io)   72.22%
The Weather Channel   71.94%
Weather Underground   70.69%
Foreca   69.72%
NWS Digital Forecast   67.24%
MeteoGroup   67.22%
AccuWeather   66.67%
World Weather Online   53.89%
Persistence   37.50%
Last Year
The Weather Channel   76.81%
Weather Underground   76.71%
AccuWeather   75.63%
MeteoGroup   75.34%
Foreca   74.84%
NWS Digital Forecast   70.23%
Dark Sky (forecast.io)   67.77%
World Weather Online   57.70%
Persistence   48.03%
 

ForecastAdvisor Fact

On average, AccuWeather's low temperature forecasts for Marshalltown were off by 2.73 degrees last month.