Monthly Historical AveragesFairmont, IL
Average Temperature
High
4°
Feels 1
Low
-5°
Feels -10
Average Precipitation
7 Days
36.7mm
13.1cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastFriday, January 9, 2026
Day
11°Feels 10
Wind
23 km/h W
Gust
34 km/h
Humidity
59%
P.O.P
30%
Night
3°Feels -1
Wind
15 km/h E
Gust
23 km/h
Humidity
94%
P.O.P
30%
Historical AveragesJan 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity