Castleton Weather Forecast

    • 51
    • 79

    Mostly Sunny

    • 52
    • 80

    Mostly Sunny

    • 53
    • 78

    Mostly Cloudy

    • 54
    • 80

    Mostly Sunny

    • 41
    • 71

    Mostly Sunny

    • 42
    • 67

    Mostly Sunny

    • 51
    • 75

    Partly Sunny

Today 15 Sep Western Rutland

Patchy dense fog this morning. Sunny. Highs in the upper 70s. Light and variable Winds.

Tonight 15 Sep Western Rutland

Clear. Lows around 50. 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

    61.7 °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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