5-day weather forecast for Waterloo, Iowa

Weather changeability for Waterloo, Iowa

Temperature Last Month Last Year
Average change in high temperature day-to-day 10.5° 6.0°
Average change in low temperature day-to-day 8.3° 8.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 80% 58%
Chance of precip day after a dry day 22% 26%

Weather forecast accuracy for Waterloo, Iowa

Last Month
Weather Underground   77.56%
The Weather Channel   77.47%
MeteoGroup   75.93%
Foreca   75.31%
AccuWeather   73.77%
Dark Sky (forecast.io)   71.30%
NWS Digital Forecast   62.32%
World Weather Online   58.95%
Persistence   41.96%
Last Year
The Weather Channel   74.03%
Weather Underground   74.00%
AccuWeather   73.70%
Foreca   73.55%
MeteoGroup   72.06%
Dark Sky (forecast.io)   69.31%
NWS Digital Forecast   68.47%
World Weather Online   63.07%
Persistence   43.06%

ForecastAdvisor Fact

66.5% of NWS Digital Forecast's high temperature forecasts for Waterloo were within 3 degrees of actual temperatures last year.