Williamstown Weather Forecast

    • 54
    • 76

    Mostly Sunny

    • 54
    • 74

    Partly Sunny

    • 57
    • 76

    Partly Sunny

    • 63
    • 81

    Slight Chance Thunderstorms

    • 62
    • 81

    Slight Chance Thunderstorms

    • 60
    • 79

    Mostly Sunny

Today 23 Aug Rush

Patchy fog toward daybreak. Mostly sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph late this afternoon.

Tonight 23 Aug Rush

Clear through the late Overnight, then becoming partly cloudy. Patchy fog toward daybreak. Lows in the lower 50s. North Winds around 5 Mph through the late Overnight, becoming light and variable.

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Williamstown Temperature Statistics

August Temperature

Shelbyville Municipal Airport (19.9 miles)

  • Lowest 4 August, 2026

    57.7 °F

  • Average August

    74.5 °F

  • Highest 10 August, 2026

    89.7 °F

Climate (2021–2026)

Shelbyville Municipal Airport (19.9 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    56.9 °F

  • Average High 2021–2026

    67 °F
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