Williamstown Weather Forecast

    • 61
    • 76

    Decreasing Clouds

    • 62
    • 83

    Mostly Sunny

    • 62
    • 84

    Partly Sunny

    • 54
    • 78

    Mostly Sunny

    • 50
    • 72

    Mostly Sunny

    • 50
    • 72

    Partly Sunny

Today 21 Aug Rush

Partly cloudy. Highs in the mid 70s. Northeast Winds 5 to 10 Mph.

Tonight 21 Aug Rush

Mostly clear. Lows in the lower 60s. Northeast Winds around 5 Mph.

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Williamstown Temperature Statistics

August Temperature

Shelbyville Municipal Airport (19.9 miles)

  • Lowest 3 August, 2025

    55.7 °F

  • Average August

    75.4 °F

  • Highest 10 August, 2025

    89.7 °F

Climate (2020–Present)

Shelbyville Municipal Airport (19.9 miles)

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  • Average Low 2020–2025

    47.2 °F

  • Average 2020–2025

    57 °F

  • Average High 2020–2025

    67.1 °F
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