Williamstown Weather Forecast

    • 8
    • 38

    Mostly Sunny

    • 3
    • 17

    Mostly Sunny

    • 22
    • 25

    Snow Likely

    • 22
    • 30

    Chance Snow

    • 17
    • 29

    Chance Snow

    • 17
    • 26

    Mostly Cloudy

    • 17
    • 27

    Slight Chance Snow

Today 21 Jan Johnson

Sunny. West wind 10 to 15 Mph with Gusts to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Williamstown Temperature Statistics

January Temperature

Iowa City Municipal Airport (10.6 miles)

  • Lowest 2 January, 2021

    10.9 °F
  • Average January

    27.1 °F
  • Highest 13 January, 2021

    39 °F

Climate (2010–Present)

Iowa City Municipal Airport (10.6 miles)

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  • Average Low 2010–Present

    41.9 °F
  • Average 2010–Present

    50.8 °F
  • Average High 2010–Present

    60 °F
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