Grave Lake Weather Forecast
- 61
- 81
Mostly Sunny
- 56
- 75
Areas Smoke
- 60
- 82
Chance Thunderstorms
- 54
- 76
Mostly Sunny
- 59
- 77
Chance Rain Showers
- 63
- 80
Chance Thunderstorms
- 58
- 80
Chance Rain Showers
Today 9 Aug North Itasca
Sunny. Near steady temperature around 80. South Winds 5 to 10 Mph with Gusts up to 20 Mph.
Tonight 9 Aug North Itasca
Mostly clear. Lows in the lower 60s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.
Grave Lake Temperature Statistics
August Temperature
Bigfork Municipal Airport (18.6 miles)
Lowest 1 August, 2025
46.4 °FAverage August
69.1 °FHighest 7 August, 2025
89.6 °F
Climate (2020–Present)
Bigfork Municipal Airport (18.6 miles)
Average Low 2020–2025
30.8 °FAverage 2020–2025
42.1 °FAverage High 2020–2025
52.4 °F