Williamstown Weather Forecast

    • 48
    • 77

    Mostly Sunny

    • 49
    • 70

    Partly Sunny

    • 52
    • 66

    Chance Rain Showers

    • 52
    • 68

    Chance Rain Showers

    • 55
    • 70

    Rain Showers Likely

    • 56
    • 71

    Rain Showers Likely

Today 29 Oct Rush

Mostly sunny. Highs in the upper 70s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 29 Oct Rush

Partly cloudy with a slight chance of Showers through the late Overnight, then clear toward daybreak. Lows in the upper 40s. Northwest Winds around 5 Mph, becoming northeast around 5 Mph toward daybreak. Chance of rain 20 percent.

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Williamstown Temperature Statistics

October Temperature

Shelbyville Municipal Airport (19.9 miles)

  • Lowest 18 October, 2026

    32.6 °F

  • Average October

    60.4 °F

  • Highest 13 October, 2026

    89.7 °F

Climate (2021–2026)

Shelbyville Municipal Airport (19.9 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    67 °F
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