Great Falls Weather Forecast
- 50
- 77
Rain Showers Likely
- 53
- 83
Partly Sunny
- 56
- 87
Mostly Sunny
- 60
- 97
Hot
- 57
- 97
Hot
- 52
- 83
Partly Sunny
Today 5 Jul Cascade County below 5000ft
Mostly cloudy with a 50 percent chance of Thunderstorms. Near steady temperature in the lower 70s. West Winds 10 to 15 Mph.
Tonight 5 Jul Cascade County below 5000ft
Partly cloudy. A 20 percent chance of Thunderstorms in the evening. Lows around 50. Northwest Winds 5 to 15 Mph shifting to the southwest after midnight.
Great Falls Temperature Statistics
July Temperature
Great Falls, Great Falls International Airport (3.7 miles)
Lowest 1 July, 2025
52 °FAverage July
76.3 °FHighest 3 July, 2025
93 °F
Climate (2020–Present)
Great Falls, Great Falls International Airport (3.7 miles)
Average Low 2020–2025
33.9 °FAverage 2020–2025
46.4 °FAverage High 2020–2025
58.3 °F