Williamstown Weather Forecast

    • 68
    • 84

    Thunderstorms

    • 66
    • 81

    Thunderstorms

    • 65
    • 82

    Isolated Thunderstorms

    • 67
    • 84

    Mostly Sunny

    • 70
    • 86

    Rain Showers Likely

    • 67
    • 83

    Chance Thunderstorms

    • 65
    • 82

    Slight Chance Thunderstorms

Today 5 Jul Rush

Partly cloudy with a chance of Showers and Thunderstorms. Highs in the mid 80s. West Winds around 5 Mph. Chance of rain 50 percent.

Tonight 5 Jul Rush

Partly cloudy with isolated Showers and Thunderstorms through the late Overnight, then mostly cloudy toward daybreak. Lows in the upper 60s. North Winds around 5 Mph. Chance of rain 20 percent.

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Williamstown Temperature Statistics

July Temperature

Shelbyville Municipal Airport (19.9 miles)

  • Lowest 1 July, 2026

    71.7 °F

  • Average July

    82 °F

  • Highest 1 July, 2026

    93.7 °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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