Castleton Weather Forecast

    • 52
    • 71

    Slight Chance Rain Showers

    • 48
    • 71

    Slight Chance Rain Showers

    • 52
    • 76

    Mostly Sunny

    • 55
    • 76

    Mostly Cloudy

    • 63
    • 76

    Rain Showers Likely

    • 50
    • 75

    Chance Rain Showers

    • 47
    • 68

    Partly Sunny

Today 5 Sep Western Rutland

Partly sunny. A slight chance of Showers this afternoon. Highs in the lower 70s. North Winds around 10 Mph. Chance of rain 20 percent.

Tonight 5 Sep Western Rutland

Partly cloudy until Midnight, then becoming mostly cloudy. A 50 percent chance of Showers. Lows in the lower 50s. North Winds around 10 Mph until Midnight, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castleton Temperature Statistics

September Temperature

Rutland-Southern Vermont Regional Airport (13.7 miles)

  • Lowest 1 September, 2026

    62.1 °F

  • Average September

    66.4 °F

  • Highest 3 September, 2026

    79 °F

Climate (2021–2026)

Rutland-Southern Vermont Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    38.9 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    57 °F
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