Castleton Weather Forecast

    • 50
    • 77

    Becoming Sunny

    • 49
    • 77

    Mostly Sunny

    • 52
    • 80

    Mostly Sunny

    • 54
    • 81

    Partly Sunny

    • 55
    • 82

    Partly Sunny

    • 47
    • 79

    Partly Sunny

Today 14 Sep Western Rutland

Patchy fog in the morning. Partly sunny. Highs in the mid 70s. Light and variable Winds.

Tonight 14 Sep Western Rutland

Partly cloudy. Lows in the lower 50s. Light and variable Winds.

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Castleton Temperature Statistics

September Temperature

Rutland-Southern Vermont Regional Airport (13.7 miles)

  • Lowest 8 September, 2025

    42.1 °F

  • Average September

    62.2 °F

  • Highest 4 September, 2025

    81 °F

Climate (2020–Present)

Rutland-Southern Vermont Regional Airport (13.7 miles)

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  • Average Low 2020–2025

    39.3 °F

  • Average 2020–2025

    48.3 °F

  • Average High 2020–2025

    57.2 °F
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