Williamstown Weather Forecast

    • 54
    • 73

    Rain Showers

    • 43
    • 66

    Partly Sunny

    • 40
    • 62

    Mostly Sunny

    • 53
    • 64

    Rain Showers Likely

    • 46
    • 68

    Partly Sunny

    • 51
    • 68

    Partly Sunny

Today 9 May Rush

Patchy fog toward daybreak. Mostly cloudy with Showers with isolated Thunderstorms toward Daybreak, then mostly sunny. Highs in the lower 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 9 May Rush

Mostly clear through the late Overnight, then becoming partly cloudy. Isolated Showers. Lows in the lower 50s. Southwest Winds around 5 Mph, becoming north toward daybreak. Chance of rain 20 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

    52.4 °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 °F
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