Gallatin National Forest Weather Forecast

    • 43
    • 61

    Mostly Sunny

    • 42
    • 62

    Partly Sunny

    • 34
    • 46

    Rain/Snow Likely

    • 35
    • 51

    Partly Sunny

    • 40
    • 57

    Mostly Cloudy

    • 42
    • 57

    Mostly Cloudy

Today 5 Sep Absaroka/Beartooth Mountains

Sunny. Highs in the mid 70s. South Winds 5 to 15 Mph.

Tonight 5 Sep Absaroka/Beartooth Mountains

Mostly clear. Lows in the upper 30s. Southeast Winds 5 to 10 Mph.

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Gallatin National Forest Temperature Statistics

September Temperature

Livingston, Mission Field Airport (37.3 miles)

  • Lowest 1 September, 2026

    45.6 °F

  • Average September

    65.8 °F

  • Highest 2 September, 2026

    83.6 °F

Climate (2021–2026)

Livingston, Mission Field Airport (37.3 miles)

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  • Average Low 2021–2026

    34.7 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    60.2 °F
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