Williamstown Weather Forecast

    • 9
    • 25

    Cloudy

    • 10
    • 23

    Snow

    • 17
    • 26

    Mostly Cloudy

    • -4
    • 32

    Mostly Cloudy

    • -3
    • 10

    Cold

    • 15
    • 24

    Mostly Cloudy

Today 30 Nov Johnson

Partly sunny. Highs in the mid 20s. Northwest Winds 10 to 15 Mph.

Tonight 30 Nov Johnson

Cloudy, Colder with Lows around 8 above. North Winds around 5 Mph.

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Williamstown Temperature Statistics

November Temperature

Iowa City Municipal Airport (10.6 miles)

  • Lowest 28 November, 2025

    17.1 °F

  • Average November

    43.3 °F

  • Highest 14 November, 2025

    73.9 °F

Climate (2020–Present)

Iowa City Municipal Airport (10.6 miles)

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  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    62.9 °F
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