Great Falls International Airport Weather Forecast
- 56
- 85
Becoming Sunny
- 60
- 96
Mostly Sunny
- 59
- 96
Partly Sunny
- 48
- 75
Slight Chance Thunderstorms
- 53
- 81
Mostly Sunny
- 57
- 90
Mostly Sunny
Today 7 Jul Cascade County below 5000ft
Sunny. Highs 80 to 85. Northeast Winds up to 10 Mph.
Tonight 7 Jul Cascade County below 5000ft
Mostly clear. Lows 55 to 60. East Winds 5 to 10 Mph shifting to the south after midnight.
Great Falls International Airport Temperature Statistics
July Temperature
Great Falls, Great Falls International Airport (0.6 miles)
Lowest 1 July, 2025
52 °FAverage July
72.9 °FHighest 3 July, 2025
93 °F
Climate (2020–Present)
Great Falls, Great Falls International Airport (0.6 miles)
Average Low 2020–2025
33.9 °FAverage 2020–2025
46.4 °FAverage High 2020–2025
58.3 °F