Deweys Bay Weather Forecast
- 57
- 78
Increasing Clouds
- 57
- 79
Partly Sunny
- 57
- 80
Slight Chance Thunderstorms
- 56
- 78
Slight Chance Thunderstorms
- 57
- 79
Mostly Sunny
- 58
- 81
Mostly Sunny
Today 15 Aug Flathead/Mission Valleys
Mostly sunny. Patchy fog early in the morning. Patchy smoke late in the afternoon. Highs in the mid 70s to lower 80s.
Tonight 15 Aug Flathead/Mission Valleys
Mostly cloudy in the evening then clearing. Patchy smoke in the evening. Patchy fog after midnight. Lows in the mid 40s to lower 50s.
Deweys Bay Temperature Statistics
August Temperature
Kalispell, Glacier Park International Airport (27.3 miles)
Lowest 5 August, 2026
38.6 °FAverage August
64 °FHighest 1 August, 2026
93.7 °F
Climate (2021–2026)
Kalispell, Glacier Park International Airport (27.3 miles)
Average Low 2021–2026
33.3 °FAverage 2021–2026
45.3 °FAverage High 2021–2026
56.9 °F