Monthly Historical AveragesOttawa, IL
Average Temperature
High
10°
Feels 8
Low
0°
Feels -4
Average Precipitation
8 Days
42.1mm
2.6cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, March 22, 2026
Day
14°Feels 12
Wind
32 km/h N
Gust
48 km/h
Humidity
54%
P.O.P
30%
Night
-2°Feels -7
Wind
30 km/h N
Gust
45 km/h
Humidity
80%
P.O.P
20%
Historical AveragesMar 22
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity