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Monthly Historical Averages
Roundup, MT
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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
19
20
26°
21
20°
22
14°
23
15°
24
17°
25
21°
26
9°
27
11°
28
13°
29
16°
30
18°
31
13°
Forecast
Friday, March 20, 2026
Day
26°
Feels 26
Wind
39 km/h SW
Gust
59 km/h
Humidity
18%
P.O.P
20%
Night
10°
Feels 8
Wind
26 km/h SW
Gust
39 km/h
Humidity
50%
P.O.P
30%
Historical Averages
Mar 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
March
Average Temperature
High
10°
Feels 9
Low
-3°
Feels -7
Average Precipitation
6 Days
Rain amount
9.2mm
Snow amount
7.6cm