Squaw Lake Weather Forecast

    • 50
    • 66

    Rain Showers Likely

    • 53
    • 71

    Mostly Sunny

    • 53
    • 78

    Mostly Sunny

    • 49
    • 75

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

    • 48
    • 73

    Mostly Sunny

Today 17 Aug Northwest Beaverhead County

Mostly cloudy. A 50 percent chance of Thunderstorms in the afternoon. Highs 65 to 75. Southwest Winds 5 to 15 Mph.

Tonight 17 Aug Northwest Beaverhead County

Mostly cloudy with a 20 percent chance of Thunderstorms in the Evening, then mostly clear after midnight. Lows 45 to 50. South Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Squaw Lake Temperature Statistics

August Temperature

Butte, Bert Mooney Airport (37.3 miles)

  • Lowest 9 August, 2025

    39.7 °F

  • Average August

    62.5 °F

  • Highest 12 August, 2025

    87.7 °F

Climate (2020–Present)

Butte, Bert Mooney Airport (37.3 miles)

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  • Average Low 2020–2025

    27.7 °F

  • Average 2020–2025

    41.6 °F

  • Average High 2020–2025

    55 °F
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