Williamstown Weather Forecast

    • -10
    • 21

    Blowing Snow

    • -4
    • 14

    Partly Sunny

    • -2
    • 14

    Mostly Cloudy

    • -5
    • 11

    Cold

    • 0
    • 12

    Mostly Cloudy

    • 7
    • 18

    Mostly Cloudy

    • 13
    • 25

    Mostly Cloudy

Today 27 Jan Rush

Mostly cloudy and not as cold. Near steady temperature around 19. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 27 Jan Rush

Partly cloudy through Midnight, then clearing. Scattered Flurries late this afternoon. Areas of blowing snow late this afternoon. Cold with Lows around 10 below. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming southwest around 5 Mph toward daybreak. Wind chill Values as low as 20 below.

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Williamstown Temperature Statistics

January Temperature

Shelbyville Municipal Airport (19.9 miles)

  • Lowest 23 January, 2026

    1.9 °F

  • Average January

    29.1 °F

  • Highest 9 January, 2026

    63.6 °F

Climate (2021–Present)

Shelbyville Municipal Airport (19.9 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    66.9 °F
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