Williamstown Weather Forecast

    • 13
    • 31

    Decreasing Clouds

    • 12
    • 25

    Mostly Cloudy

    • 5
    • 17

    Mostly Sunny

    • 18
    • 23

    Partly Sunny

    • 18
    • 39

    Chance Snow

    • 17
    • 27

    Slight Chance Snow

    • 20
    • 35

    Mostly Cloudy

Today 17 Jan Rush

Partly cloudy with scattered Flurries. Cold. Near steady temperature in the upper 20s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 17 Jan Rush

Mostly cloudy late this Afternoon, then becoming partly cloudy. Scattered Flurries late this afternoon. Colder with Lows around 10 above. West Winds 10 to 15 Mph. Wind chill Values as low as zero.

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Williamstown Temperature Statistics

January Temperature

Shelbyville Municipal Airport (19.9 miles)

  • Lowest 15 January, 2026

    16 °F

  • Average January

    35.2 °F

  • Highest 8 January, 2026

    62.1 °F

Climate (2021–Present)

Shelbyville Municipal Airport (19.9 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    56.9 °F

  • Average High 2021–2026

    67 °F
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