Monthly Historical AveragesHarlem, MT
Average Temperature
High
19°
Feels 19
Low
5°
Feels 3
Average Precipitation
10 Days
37.6mm
0.2cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, May 18, 2026
Day
11°Feels 10
Wind
18 km/h NE
Gust
27 km/h
Humidity
35%
P.O.P
30%
Night
-1°Feels -5
Wind
18 km/h SE
Gust
27 km/h
Humidity
86%
P.O.P
20%
Historical AveragesMay 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity