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7 Days
14 Days
Monthly
°C
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°Fahrenheit
Monthly Historical Averages
Lewistown, MT
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Daily Historical Averages
January 2026
S
M
T
W
T
F
S
1
2
8°
3
11°
4
10°
5
5°
6
5°
7
5°
8
1°
9
-1°
10
2°
11
3°
12
2°
13
4°
14
4°
15
0°
16
0°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Friday, January 2, 2026
Day
8°
Feels 5
Wind
23 km/h W
Gust
35 km/h
Humidity
61%
P.O.P
30%
Night
1°
Feels -3
Wind
23 km/h W
Gust
35 km/h
Humidity
86%
P.O.P
30%
Historical Averages
Jan 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
January
Average Temperature
High
0°
Feels -3
Low
-9°
Feels -15
Average Precipitation
4 Days
Rain amount
0mm
Snow amount
14.8cm