Monthly Historical AveragesLewistown, MT
Average Temperature
High
11°
Feels 9
Low
-1°
Feels -5
Average Precipitation
8 Days
16mm
12.3cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, April 21, 2026
Day
25°Feels 25
Wind
16 km/h NE
Gust
24 km/h
Humidity
17%
P.O.P
10%
Night
13°Feels 11
Wind
23 km/h SE
Gust
35 km/h
Humidity
39%
P.O.P
30%
Historical AveragesApr 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity