Grantsdale Weather Forecast
- 60
- 93
Slight Chance Thunderstorms
- 59
- 93
Chance Thunderstorms
- 58
- 92
Slight Chance Thunderstorms
- 58
- 92
Mostly Sunny
- 61
- 90
Chance Rain
- 60
- 85
Chance Rain Showers
Today 16 Jul Missoula/Bitterroot Valleys
Mostly sunny in the Morning, then slight chance of rain early in the afternoon. Partly cloudy with a slight chance of Showers and Thunderstorms late in the afternoon. Chance of precipitation 20 percent. Highs in the lower to mid 90s.
Tonight 16 Jul Missoula/Bitterroot Valleys
Partly cloudy. A 20 percent chance of Showers and Thunderstorms in the evening. Lows near 60.
Grantsdale Temperature Statistics
July Temperature
Missoula, Missoula International Airport (49.1 miles)
Lowest 2 July, 2026
45.6 °FAverage July
69.1 °FHighest 11 July, 2026
95.6 °F
Climate (2021–2026)
Missoula, Missoula International Airport (49.1 miles)
Average Low 2021–2026
36 °FAverage 2021–2026
47.5 °FAverage High 2021–2026
59.7 °F