Gallatin National Forest Weather Forecast

    • 37
    • 55

    Increasing Clouds

    • 31
    • 55

    Breezy

    • 29
    • 45

    Mostly Sunny

    • 32
    • 50

    Mostly Sunny

    • 33
    • 50

    Mostly Sunny

    • 37
    • 56

    Partly Sunny

Today 12 Sep Absaroka/Beartooth Mountains

Mostly sunny. Areas of fog early in the morning. Highs in the upper 60s. Southwest Winds 5 to 15 Mph.

Tonight 12 Sep Absaroka/Beartooth Mountains

Mostly cloudy. Lows in the mid 30s. Southwest Winds 5 to 15 Mph in the evening shifting to the east 5 to 10 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gallatin National Forest Temperature Statistics

September Temperature

Livingston, Mission Field Airport (37.3 miles)

  • Lowest 9 September, 2026

    39.9 °F

  • Average September

    63.7 °F

  • Highest 4 September, 2026

    85.6 °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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