Granite State Park Weather Forecast
- 46
- 70
Slight Chance Thunderstorms
- 47
- 67
Rain Showers Likely
- 49
- 68
Chance Thunderstorms
- 46
- 71
Slight Chance Thunderstorms
- 47
- 68
Mostly Sunny
- 51
- 73
Mostly Sunny
Today 5 Jul Butte/Blackfoot Region
Sunny in the Morning, then partly cloudy with a 20 percent chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s to mid 80s. West Winds to 15 Mph in the afternoon.
Tonight 5 Jul Butte/Blackfoot Region
Partly cloudy with a 20 percent chance of Showers and Thunderstorms in the Evening, then mostly cloudy after midnight. Lows in the mid 40s to lower 50s. Northwest Winds to 15 Mph.
Granite State Park Temperature Statistics
July Temperature
Butte, Bert Mooney Airport (43.5 miles)
Lowest 2 July, 2026
40.6 °FAverage July
58 °FHighest 2 July, 2026
75.7 °F
Climate (2021–2026)
Butte, Bert Mooney Airport (43.5 miles)
Average Low 2021–2026
28.4 °FAverage 2021–2026
42.2 °FAverage High 2021–2026
55.6 °F