Sailor Lake Weather Forecast

    • 31
    • 48

    Mostly Cloudy

    • 32
    • 47

    Chance Rain/Snow

    • 27
    • 46

    Chance Rain/Snow

    • 25
    • 36

    Mostly Sunny

    • 28
    • 41

    Mostly Sunny

    • 29
    • 40

    Mostly Sunny

Today 11 Sep Gallatin and Madison County Mountains and Centennial Mountains

Sunny late in the morning then becoming partly sunny. Highs 56 to 68. West Winds 5 to 15 Mph with Gusts to around 35 Mph.

Tonight 11 Sep Gallatin and Madison County Mountains and Centennial Mountains

Colder. Mostly cloudy. Patchy fog after midnight. Lows 33 to 39. North Winds 5 to 15 Mph shifting to the northeast after midnight. Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sailor Lake Temperature Statistics

September Temperature

Butte, Bert Mooney Airport (31.1 miles)

  • Lowest 9 September, 2026

    32 °F

  • Average September

    56.3 °F

  • Highest 1 September, 2026

    79.6 °F

Climate (2021–2026)

Butte, Bert Mooney Airport (31.1 miles)

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  • Average Low 2021–2026

    28.5 °F

  • Average 2021–2026

    42.3 °F

  • Average High 2021–2026

    55.7 °F
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