5-day weather forecast for Union, Iowa

Weather changeability for Marshalltown, Iowa

Temperature Last Month Last Year
Average change in high temperature day-to-day 6.1° 7.2°
Average change in low temperature day-to-day 9.5° 8.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 57% 59%
Chance of precip day after a dry day 20% 21%
 
 

Weather forecast accuracy for Marshalltown, Iowa

Last Month
The Weather Channel   78.40%
Weather Underground   78.09%
MeteoGroup   77.16%
CustomWeather   75.00%
Foreca   74.07%
Dark Sky (forecast.io)   72.84%
National Weather Service   72.53%
AccuWeather   70.99%
WeatherBug   67.35%
Persistence   43.52%
Last Year
Weather Underground   75.16%
The Weather Channel   74.91%
MeteoGroup   74.46%
National Weather Service   70.86%
Foreca   70.49%
WeatherBug   70.43%
AccuWeather   68.87%
CustomWeather   65.65%
Persistence   44.78%
 

ForecastAdvisor Fact

13.6% of Foreca's high temperature forecasts for Marshalltown were exactly right last month.