Great Falls International Airport Weather Forecast
- 54
- 92
Decreasing Clouds
- 54
- 79
Rain Showers Likely
- 49
- 72
Rain Showers Likely
- 52
- 82
Mostly Sunny
- 56
- 85
Mostly Sunny
- 59
- 93
Mostly Sunny
- 60
- 94
Mostly Sunny
Today 3 Jul Cascade County below 5000ft
Partly cloudy early in the morning then clearing. Highs around 90. West Winds 5 to 15 Mph.
Tonight 3 Jul Cascade County below 5000ft
Mostly cloudy in the evening then clearing. Lows in the mid 50s. West Winds 5 to 15 Mph decreasing to up to 5 Mph 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
74.3 °FHighest 1 July, 2025
90 °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