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7 Days
14 Days
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Monthly
°C
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Monthly Historical Averages
Keystone, SD
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March
Average Temperature
High
9°
Feels 7
Low
-3°
Feels -7
Average Precipitation
7 Days
Rain amount
0.6mm
Snow amount
26cm
Daily Historical Averages
March 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°
18
22°
19
23°
20
24°
21
28°
22
10°
23
16°
24
18°
25
19°
26
5°
27
9°
28
11°
29
10°
30
11°
31
13°
Forecast
Tuesday, March 17, 2026
Day
18°
Feels 18
Wind
41 km/h NW
Gust
62 km/h
Humidity
30%
P.O.P
20%
Night
5°
Feels 2
Wind
28 km/h NW
Gust
42 km/h
Humidity
70%
P.O.P
20%
Historical Averages
Mar 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.