Monthly Historical AveragesGreat Falls, MT
Average Temperature
High
18°
Feels 17
Low
5°
Feels 3
Average Precipitation
11 Days
54.8mm
1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, May 7, 2026
Day
19°Feels 19
Wind
18 km/h W
Gust
27 km/h
Humidity
39%
P.O.P
60%
Rain
~1 mm
Night
6°Feels 4
Wind
15 km/h SW
Gust
23 km/h
Humidity
87%
P.O.P
40%
Rain
<1 mm
Historical AveragesMay 7
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity