Monthly Historical AveragesSomonauk, IL
Average Temperature
High
16°
Feels 15
Low
4°
Feels 1
Average Precipitation
10 Days
77.6mm
0.5cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastFriday, April 10, 2026
Day
13°Feels 12
Wind
19 km/h N
Gust
29 km/h
Humidity
54%
P.O.P
40%
Rain
<1 mm
Night
1°Feels -2
Wind
13 km/h E
Gust
20 km/h
Humidity
100%
P.O.P
20%
Historical AveragesApr 10
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity