Monthly Historical AveragesOswego, IL
Average Temperature
High
9°
Feels 7
Low
-1°
Feels -5
Average Precipitation
8 Days
43.3mm
4.9cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, March 18, 2026
Day
5°Feels 2
Wind
22 km/h S
Gust
32 km/h
Humidity
65%
P.O.P
40%
Snow
<1 cm
Night
-1°Feels -4
Wind
10 km/h SW
Gust
15 km/h
Humidity
100%
P.O.P
30%
Historical AveragesMar 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity