Monthly Historical AveragesIllinois City, IL
Average Temperature
High
10°
Feels 8
Low
0°
Feels -4
Average Precipitation
7 Days
47.8mm
3.8cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, March 2, 2026
Day
8°Feels 6
Wind
15 km/h SE
Gust
23 km/h
Humidity
39%
P.O.P
30%
Night
1°Feels -2
Wind
11 km/h SE
Gust
17 km/h
Humidity
93%
P.O.P
40%
Rain
<1 mm
Historical AveragesMar 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity