Whitefish Weather Forecast
- 47
- 75
Rain Likely
- 44
- 58
Rain Likely
- 43
- 61
Rain
- 41
- 54
Rain
- 40
- 55
Slight Chance Rain
- 40
- 58
Partly Sunny
- 41
- 62
Mostly Sunny
Today 10 Sep Flathead/Mission Valleys
Mostly cloudy. A 20 percent chance of rain early in the morning. Highs in the 70s to lower 80s. Southwest Winds to 15 Mph in the afternoon.
Tonight 10 Sep Flathead/Mission Valleys
Chance of rain Showers and a slight chance of Thunderstorms early in the Evening, then Areas of rain late in the evening. Rain Showers likely and a slight chance of Thunderstorms after midnight. Chance of precipitation 90 percent. Lows in the 40s to lower 50s. Southwest Winds to 15 Mph in the evening.
Whitefish Temperature Statistics
September Temperature
Kalispell, Glacier Park International Airport (8.1 miles)
Lowest 1 September, 2026
41.6 °FAverage September
58.1 °FHighest 1 September, 2026
84.7 °F
Climate (2021–2026)
Kalispell, Glacier Park International Airport (8.1 miles)
Average Low 2021–2026
33.4 °FAverage 2021–2026
45.4 °FAverage High 2021–2026
57 °F