Williamstown Weather Forecast

    • 20
    • 24

    Increasing Clouds

    • 24
    • 38

    Mostly Cloudy

    • 12
    • 31

    Mostly Cloudy

    • 4
    • 14

    Mostly Cloudy

    • 8
    • 13

    Chance Snow

    • 6
    • 18

    Partly Sunny

    • 6
    • 19

    Mostly Sunny

Today 20 Jan Rush

Sunny, cold with Highs in the lower 20s. Southwest Winds around 10 Mph. Wind chill Values as low as zero.

Tonight 20 Jan Rush

Mostly Sunny, then becoming partly cloudy through Midnight, then becoming mostly cloudy. Not as cold with Lows around 20. South Winds 10 to 15 Mph. Gusts up to 25 Mph.

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  • Temperature Real-Time

Williamstown Temperature Statistics

January Temperature

Shelbyville Municipal Airport (19.9 miles)

  • Lowest 18 January, 2026

    10.9 °F

  • Average January

    33.2 °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

    66.9 °F
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