Williamstown Weather Forecast

    • 66
    • 88

    Chance Thunderstorms

    • 70
    • 88

    Partly Sunny

    • 71
    • 90

    Chance Thunderstorms

    • 69
    • 86

    Rain Showers Likely

    • 65
    • 82

    Rain Showers Likely

    • 62
    • 80

    Chance Thunderstorms

Today 8 Aug Rush

Patchy fog. Partly cloudy with a chance of Showers and Thunderstorms. Humid with Highs in the upper 80s. Southwest Winds 5 to 10 Mph, becoming west late this afternoon. Chance of rain 40 percent.

Tonight 8 Aug Rush

Mostly clear. Areas of fog. Lows in the mid 60s. Northwest 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 5 August, 2026

    57 °F

  • Average August

    72 °F

  • Highest 5 August, 2026

    82.9 °F

Climate (2021–2026)

Shelbyville Municipal Airport (19.9 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    56.9 °F

  • Average High 2021–2026

    67 °F
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