Monthly Historical AveragesWaterloo, IL
Average Temperature
High
14°
Feels 13
Low
3°
Feels 0
Average Precipitation
10 Days
79.5mm
3.4cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, March 19, 2026
Day
23°Feels 23
Wind
10 km/h S
Gust
15 km/h
Humidity
40%
P.O.P
20%
Night
10°Feels 9
Wind
12 km/h SW
Gust
18 km/h
Humidity
91%
P.O.P
10%
Historical AveragesMar 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity