Castlewood Weather Forecast

    • 66
    • 90

    Becoming Sunny

    • 70
    • 91

    Mostly Sunny

    • 69
    • 93

    Chance Thunderstorms

    • 64
    • 87

    Rain Showers Likely

    • 64
    • 82

    Chance Thunderstorms

    • 59
    • 82

    Slight Chance Thunderstorms

Today 3 Sep Hamlin

Partly sunny. Humid with Highs in the upper 80s. Southeast Winds 5 to 10 Mph, becoming south with Gusts up to 20 Mph in the afternoon.

Tonight 3 Sep Hamlin

Partly cloudy with a 20 percent chance of Thunderstorms. Near steady temperature around 70. Southeast Winds 5 to 10 Mph.

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Castlewood Temperature Statistics

September Temperature

Watertown, Watertown Municipal Airport (13.7 miles)

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  • Average September

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Climate (2021–2026)

Watertown, Watertown Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    55.9 °F
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