Williamstown Weather Forecast

    • 53
    • 67

    Decreasing Clouds

    • 63
    • 71

    Rain Showers

    • 61
    • 77

    Chance Rain Showers

    • 63
    • 80

    Rain Showers Likely

    • 64
    • 78

    Chance Rain Showers

    • 65
    • 80

    Chance Rain Showers

Today 21 May Rush

Mostly cloudy through early Afternoon, then becoming partly cloudy. Highs in the upper 60s. Northeast Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 21 May Rush

Partly cloudy through the late Overnight, then becoming mostly cloudy. Lows in the lower 50s. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Williamstown Temperature Statistics

May Temperature

Shelbyville Municipal Airport (19.9 miles)

  • Lowest 3 May, 2026

    35.7 °F

  • Average May

    59.1 °F

  • Highest 17 May, 2026

    85.6 °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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