Castle Mountain Weather Forecast

    • 31
    • 47

    Increasing Clouds

    • 28
    • 40

    Snow Showers

    • 28
    • 40

    Rain/Snow Likely

    • 30
    • 46

    Mostly Sunny

    • 32
    • 49

    Mostly Sunny

    • 33
    • 49

    Chance Rain/Snow

Today 14 Sep Absaroka/Beartooth Mountains

Sunny. Patchy fog early in the morning. Highs in the lower 60s. West Winds 5 to 15 Mph.

Tonight 14 Sep Absaroka/Beartooth Mountains

Partly cloudy. A 20 percent chance of rain Showers after 3 am. Lows in the mid 30s. Southwest Winds 5 to 15 Mph.

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Castle Mountain Temperature Statistics

September Temperature

Powell Municipal Airport (43.5 miles)

  • Lowest 5 September, 2025

    39.2 °F

  • Average September

    65.1 °F

  • Highest 2 September, 2025

    87.8 °F

Climate (2020–Present)

Powell Municipal Airport (43.5 miles)

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  • Average Low 2020–2025

    34.6 °F

  • Average 2020–2025

    45.2 °F

  • Average High 2020–2025

    56.6 °F
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