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Monthly Historical Averages
Custer, MT
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Daily Historical Averages
April 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
22°
13
17°
14
18°
15
20°
16
8°
17
8°
18
11°
19
17°
20
23°
21
15°
22
15°
23
15°
24
16°
25
17°
26
18°
27
28
29
30
Forecast
Sunday, April 12, 2026
Day
22°
Feels 22
Wind
17 km/h W
Gust
26 km/h
Humidity
29%
P.O.P
30%
Night
5°
Feels 3
Wind
15 km/h NE
Gust
23 km/h
Humidity
93%
P.O.P
40%
Rain
<1 mm
Historical Averages
Apr 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
April
Average Temperature
High
15°
Feels 14
Low
1°
Feels -2
Average Precipitation
10 Days
Rain amount
38.9mm
Snow amount
4.4cm