Williamstown Weather Forecast

    • 6
    • 23

    Partly Sunny

    • 1
    • 10

    Cold

    • -2
    • 16

    Partly Sunny

    • 5
    • 12

    Mostly Sunny

    • 20
    • 33

    Mostly Cloudy

    • 15
    • 32

    Mostly Cloudy

Today 18 Jan Lewis

Mostly sunny and much cooler. Near steady temperature in the lower 20s. North Winds 15 to 20 Mph with Gusts up to 30 Mph. Wind chill Values as low as 4 above.

Tonight 18 Jan Lewis

Mostly cloudy. Cooler with Lows around 8 above. North Winds 10 to 15 Mph with Gusts up to 25 Mph. Wind chill Values as low as 9 below after midnight.

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Williamstown Temperature Statistics

January Temperature

Keokuk Municipal Airport (24.2 miles)

  • Lowest 15 January, 2025

    1.4 °F

  • Average January

    21.9 °F

  • Highest 12 January, 2025

    39.2 °F

Climate (2020–Present)

Keokuk Municipal Airport (24.2 miles)

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  • Average Low 2020–2025

    43.5 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    62.3 °F
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