Monthly Historical AveragesWaterloo, IA

Average Temperature
High
22°
Feels 22
Low
10°
Feels 9
Average Precipitation
13 Days
Rain amount
131.7mm
Snow amount
0.1cm
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Daily Historical Averages

S
M
T
W
T
F
S
ForecastSunday, May 17, 2026
Day
Risk of strong thunderstorms
26°Feels 26
Wind
31 km/h S
Gust
47 km/h
Humidity
65%
P.O.P
80%
Rain
~5 mm
Night
Risk of strong thunderstorms
19°Feels 19
Wind
35 km/h S
Gust
53 km/h
Humidity
94%
P.O.P
80%
Rain
~5 mm
Historical AveragesMay 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
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