Monthly Historical AveragesEast Alton, IL
Average Temperature
High
25°
Feels 25
Low
14°
Feels 13
Average Precipitation
14 Days
131mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, May 20, 2026
Day
19°Feels 19
Wind
18 km/h N
Gust
26 km/h
Humidity
64%
P.O.P
40%
Rain
<1 mm
Night
11°Feels 9
Wind
16 km/h NE
Gust
24 km/h
Humidity
81%
P.O.P
30%
Historical AveragesMay 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity