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Hourly
7 Days
14 Days
Monthly
°C
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°Fahrenheit
Monthly Historical Averages
Custer, SD
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Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
11°
2
6°
3
8°
4
9°
5
8°
6
3°
7
3°
8
0°
9
-4°
10
-2°
11
1°
12
-1°
13
0°
14
2°
15
0°
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Thursday, January 1, 2026
Day
11°
Feels 10
Wind
17 km/h S
Gust
26 km/h
Humidity
30%
P.O.P
20%
Night
0°
Feels -4
Wind
16 km/h W
Gust
24 km/h
Humidity
80%
P.O.P
30%
Historical Averages
Jan 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
January
Average Temperature
High
1°
Feels -2
Low
-10°
Feels -14
Average Precipitation
5 Days
Rain amount
0mm
Snow amount
16.8cm