Williamstown Weather Forecast

    • 58
    • 74

    Rain Showers

    • 43
    • 66

    Partly Sunny

    • 46
    • 65

    Mostly Sunny

    • 58
    • 71

    Chance Rain Showers

    • 64
    • 82

    Chance Thunderstorms

    • 67
    • 85

    Chance Rain Showers

Today 12 May Rush

Sunny through early Afternoon, then becoming partly cloudy. Highs in the mid 70s. South Winds 5 to 10 Mph. Gusts up to 25 Mph late this afternoon.

Tonight 12 May Rush

Showers likely with a slight chance of Thunderstorms through the late Overnight, then Showers toward daybreak. Not as cool with Lows in the upper 50s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

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Williamstown Temperature Statistics

May Temperature

Shelbyville Municipal Airport (19.9 miles)

  • Lowest 3 May, 2026

    35.7 °F

  • Average May

    53.9 °F

  • Highest 4 May, 2026

    75.7 °F

Climate (2021–Present)

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

    67.1 °F
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