Castleton - on - Hudson Weather Forecast

    • 58
    • 82

    Increasing Clouds

    • 43
    • 77

    Partly Sunny

    • 43
    • 70

    Mostly Sunny

    • 52
    • 75

    Partly Sunny

    • 57
    • 79

    Partly Sunny

    • 59
    • 83

    Partly Sunny

Today 18 Sep Western Rensselaer

Patchy fog in the morning. Sunny. Highs in the lower 80s. South Winds around 5 Mph, becoming west around 5 Mph in the afternoon.

Tonight 18 Sep Western Rensselaer

Mostly cloudy. Near steady temperature in the mid 50s. Light and variable Winds.

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Castleton - on - Hudson Temperature Statistics

September Temperature

Albany International Airport (14.9 miles)

  • Lowest 8 September, 2025

    45 °F

  • Average September

    65.1 °F

  • Highest 4 September, 2025

    81 °F

Climate (2020–Present)

Albany International Airport (14.9 miles)

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  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    51.2 °F

  • Average High 2020–2025

    60.5 °F
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