5-day weather forecast for Moro, Illinois

Weather changeability for Grafton, Illinois

Temperature Last Month Last Year
Average change in high temperature day-to-day 10.4° 6.6°
Average change in low temperature day-to-day 8.3° 7.1°
Precipitation Last Month Last Year
Chance of dry day after a precip day 67% 52%
Chance of precip day after a dry day 15% 26%
 
 

Weather forecast accuracy for Grafton, Illinois

Last Month
The Weather Channel   67.59%
Intellicast   67.56%
National Weather Service   66.05%
AccuWeather   63.69%
NWS Digital Forecast   61.90%
Weather Underground   61.78%
CustomWeather   60.42%
World Weather Online   58.93%
Persistence   41.22%
Last Year
Intellicast   68.26%
The Weather Channel   68.24%
National Weather Service   66.81%
NWS Digital Forecast   65.82%
AccuWeather   64.62%
CustomWeather   64.61%
Persistence   44.44%
 

ForecastAdvisor Fact

On average, National Weather Service's low temperature forecasts for Grafton were off by 3.29 degrees last year.