Average change in
Temperature
Average change in high temperature day-to-day
Last Month:
11.8°
Last Year:
7.3°
Average change in low temperature day-to-day
Last Month:
6.9°
Last Year:
7.2°
Average change in
Precipitation
Chance of dry day after a precip day
Last Month:
100%
Last Year:
60%
Chance of precip day after a dry day
Last Month:
3%
Last Year:
14%
ForecastAdvisor Fact
On average, Weatherbit's high temperature forecasts for Alton were off by 3.99 degrees last month.