Polson Bay Weather Forecast
- 41
- 63
Rain Likely
- 39
- 55
Rain
- 36
- 54
Rain
- 28
- 50
Rain Likely
- 27
- 45
Chance Snow
- 28
- 50
Slight Chance Rain
Today 12 Apr Flathead/Mission Valleys
Mostly cloudy. Patchy fog early in the morning. A 50 percent chance of rain Showers in the late morning and afternoon. Highs in the upper 50s to mid 60s.
Tonight 12 Apr Flathead/Mission Valleys
Chance of rain Showers in the Evening, then rain Showers likely after midnight. Chance of Showers 60 percent. Lows in the mid 30s to lower 40s.
Polson Bay Temperature Statistics
April Temperature
Kalispell, Glacier Park International Airport (41.6 miles)
Lowest 8 April, 2026
20.6 °FAverage April
43.7 °FHighest 6 April, 2026
67.6 °F
Climate (2021–Present)
Kalispell, Glacier Park International Airport (41.6 miles)
Average Low 2021–2026
33.4 °FAverage 2021–2026
45.5 °FAverage High 2021–2026
57.2 °F