Gallatin National Forest Weather Forecast

    • 40
    • 57

    Mostly Sunny

    • 41
    • 59

    Partly Sunny

    • 41
    • 59

    Mostly Sunny

    • 37
    • 56

    Chance Thunderstorms

    • 39
    • 57

    Mostly Sunny

    • 43
    • 61

    Mostly Sunny

Today 18 Sep Absaroka/Beartooth Mountains

Sunny. Highs in the upper 60s. West Winds 5 to 10 Mph.

Tonight 18 Sep Absaroka/Beartooth Mountains

Mostly clear. Lows in the lower 30s. Southwest Winds 5 to 10 Mph.

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Gallatin National Forest Temperature Statistics

September Temperature

Livingston, Mission Field Airport (37.3 miles)

  • Lowest 6 September, 2025

    33.1 °F

  • Average September

    62.1 °F

  • Highest 3 September, 2025

    91 °F

Climate (2020–Present)

Livingston, Mission Field Airport (37.3 miles)

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  • Average Low 2020–2025

    34.4 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    59.6 °F
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