Williamstown Weather Forecast

    • 70
    • 91

    Becoming Sunny

    • 71
    • 91

    Chance Thunderstorms

    • 68
    • 84

    Chance Thunderstorms

    • 69
    • 87

    Chance Rain Showers

    • 68
    • 86

    Chance Thunderstorms

    • 68
    • 85

    Chance Thunderstorms

Today 5 Jul Rush

Mostly sunny. Hot with Highs in the lower 90s. Southwest Winds around 5 Mph.

Tonight 5 Jul Rush

Clear. Lows around 70. South Winds around 5 Mph.

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Williamstown Temperature Statistics

July Temperature

Shelbyville Municipal Airport (19.9 miles)

  • Lowest 2 July, 2025

    61 °F

  • Average July

    76.5 °F

  • Highest 3 July, 2025

    89.1 °F

Climate (2020–Present)

Shelbyville Municipal Airport (19.9 miles)

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  • Average Low 2020–2025

    47.2 °F

  • Average 2020–2025

    57 °F

  • Average High 2020–2025

    67.1 °F
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