Cedar Lake Weather Forecast
- 43
- 60
Decreasing Clouds
- 48
- 63
Chance Rain Showers
- 50
- 69
Mostly Sunny
- 45
- 67
Mostly Sunny
- 42
- 64
Mostly Sunny
- 42
- 62
Mostly Sunny
Today 17 Aug Gallatin and Madison County Mountains and Centennial Mountains
Mostly cloudy. A 50 percent chance of Thunderstorms in the afternoon. Highs 65 to 75. South Winds up to 10 Mph shifting to the southwest in the afternoon.
Tonight 17 Aug Gallatin and Madison County Mountains and Centennial Mountains
Mostly cloudy with a 50 percent chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows 45 to 50. South Winds up to 10 Mph.
Cedar Lake Temperature Statistics
August Temperature
Ennis - Big Sky Airport (6.2 miles)
Lowest 10 August, 2025
41 °FAverage August
66.2 °FHighest 13 August, 2025
93.2 °F
Climate (2020–Present)
Ennis - Big Sky Airport (6.2 miles)
Average Low 2020–2025
31.3 °FAverage 2020–2025
43.7 °FAverage High 2020–2025
55.7 °F