Monthly Historical AveragesAlton, IN
Average Temperature
High
20°
Feels 20
Low
8°
Feels 6
Average Precipitation
11 Days
120.4mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, April 4, 2026
Day
23°Feels 23
Wind
24 km/h S
Gust
36 km/h
Humidity
70%
P.O.P
60%
Rain
2-4 mm
Night
6°Feels 4
Wind
22 km/h NW
Gust
34 km/h
Humidity
96%
P.O.P
100%
Rain
5-10 mm
Historical AveragesApr 4
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity