Monthly Historical AveragesHarlan, IA
Average Temperature
High
-2°
Feels -5
Low
-11°
Feels -17
Average Precipitation
3 Days
0mm
13.9cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, January 11, 2026
Day
3°Feels -1
Wind
22 km/h SW
Gust
33 km/h
Humidity
35%
P.O.P
20%
Night
-4°Feels -8
Wind
22 km/h SW
Gust
33 km/h
Humidity
86%
P.O.P
20%
Historical AveragesJan 11
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity