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Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Harlem, MT
Content continues below
May
Average Temperature
High
19°
Feels 19
Low
5°
Feels 3
Average Precipitation
10 Days
Rain amount
37.6mm
Snow amount
0.2cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
18°
20
16°
21
16°
22
21°
23
23°
24
27°
25
28°
26
24°
27
24°
28
23°
29
22°
30
21°
31
23°
Forecast
Tuesday, May 19, 2026
Day
18°
Feels 18
Wind
18 km/h SE
Gust
27 km/h
Humidity
32%
P.O.P
40%
Rain
<1 mm
Night
5°
Feels 2
Wind
19 km/h S
Gust
29 km/h
Humidity
87%
P.O.P
40%
Rain
<1 mm
Historical Averages
May 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.