Castlewood Weather Forecast

    • 44
    • 47

    Cloudy

    • 37
    • 57

    Rain Likely

    • 37
    • 58

    Mostly Sunny

    • 40
    • 56

    Chance Rain

    • 46
    • 59

    Chance Rain

    • 47
    • 62

    Mostly Cloudy

Today 27 Oct Hamlin

Cloudy. Near steady temperature in the mid 40s. South Winds around 15 Mph.

Tonight 27 Oct Hamlin

Cloudy. Patchy fog after midnight. Near steady temperature in the mid 40s. South Winds 5 to 10 Mph.

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Castlewood Temperature Statistics

October Temperature

Watertown, Watertown Municipal Airport (13.7 miles)

  • Lowest 16 October, 2026

    32.6 °F

  • Average October

    55 °F

  • Highest 10 October, 2026

    88.6 °F

Climate (2021–2026)

Watertown, Watertown Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    45.6 °F

  • Average High 2021–2026

    56 °F
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