Williamstown Weather Forecast

    • 73
    • 93

    Mostly Sunny

    • 73
    • 94

    Mostly Sunny

    • 73
    • 94

    Chance Rain Showers

    • 69
    • 90

    Slight Chance Thunderstorms

    • 64
    • 86

    Partly Sunny

Today 1 Sep Rush

Mostly sunny. Hot with Highs in the lower 90s. Southwest Winds 5 to 10 Mph.

Tonight 1 Sep Rush

Clear. Lows in the lower 70s. Southwest Winds around 5 Mph.

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Williamstown Temperature Statistics

September Temperature

Shelbyville Municipal Airport (19.9 miles)

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  • Average September

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Climate (2021–2026)

Shelbyville Municipal Airport (19.9 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    67 °F
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