Monthly Historical AveragesLewistown, MT
Average Temperature
High
0°
Feels -3
Low
-10°
Feels -16
Average Precipitation
3 Days
0mm
11.5cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, December 29, 2025
Day
4°Feels 1
Wind
17 km/h SW
Gust
24 km/h
Humidity
35%
P.O.P
20%
Night
-2°Feels -7
Wind
18 km/h SW
Gust
27 km/h
Humidity
64%
P.O.P
20%
Historical AveragesDec 29
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity