Williamstown Weather Forecast

    • 57
    • 79

    Becoming Sunny

    • 66
    • 80

    Rain Showers

    • 58
    • 76

    Rain Showers Likely

    • 59
    • 77

    Mostly Sunny

    • 60
    • 78

    Slight Chance Thunderstorms

    • 59
    • 78

    Slight Chance Thunderstorms

Today 20 Jun Rush

Partly cloudy with a chance of Sprinkles. Highs in the upper 70s. West Winds 10 to 15 Mph.

Tonight 20 Jun Rush

Mostly clear through the late Overnight, then becoming partly cloudy. Lows in the upper 50s. Northwest Winds around 5 Mph through the late Overnight, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Williamstown Temperature Statistics

June Temperature

Shelbyville Municipal Airport (19.9 miles)

  • Lowest 15 June, 2026

    53.7 °F

  • Average June

    72.8 °F

  • Highest 7 June, 2026

    90.6 °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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