Sunset Bay Weather Forecast
- 15
- 22
Increasing Clouds
- 17
- 27
Mostly Cloudy
- 27
- 34
Mostly Cloudy
- 28
- 38
Partly Sunny
- 32
- 38
Mostly Cloudy
- 33
- 41
Chance Rain/Snow
- 33
- 41
Chance Rain/Snow
Today 28 Dec Flathead/Mission Valleys
Partly cloudy. Highs in the 20s.
Tonight 28 Dec Flathead/Mission Valleys
Mostly cloudy. Lows 4 to 11. Southwest Winds to 15 Mph.
Sunset Bay Temperature Statistics
December Temperature
Kalispell, Glacier Park International Airport (34.2 miles)
Lowest 1 December, 2025
19.4 °FAverage December
35.2 °FHighest 15 December, 2025
53.6 °F
Climate (2020–Present)
Kalispell, Glacier Park International Airport (34.2 miles)
Average Low 2020–2025
33.3 °FAverage 2020–2025
45.4 °FAverage High 2020–2025
57 °F