Lake McDonald Weather Forecast
- 35
- 51
Chance Rain
- 32
- 50
Decreasing Clouds
- 32
- 48
Mostly Cloudy
- 36
- 53
Partly Sunny
- 32
- 48
Rain Likely
- 29
- 44
Chance Rain/Snow
- 29
- 46
Partly Sunny
Today 23 Oct West Glacier Region
Partly cloudy. A 20 percent chance of snow in the morning. Highs in the 40s.
Tonight 23 Oct West Glacier Region
Mostly cloudy early in the evening then becoming partly cloudy. Areas of fog after midnight. Patchy fog late in the night. Lows in the mid 20s to lower 30s.
Lake McDonald Temperature Statistics
October Temperature
Kalispell, Glacier Park International Airport (24.2 miles)
Lowest 13 October, 2026
21.7 °FAverage October
46.3 °FHighest 5 October, 2026
74.6 °F
Climate (2021–2026)
Kalispell, Glacier Park International Airport (24.2 miles)
Average Low 2021–2026
33.4 °FAverage 2021–2026
45.4 °FAverage High 2021–2026
57 °F