Williamstown Weather Forecast

    • 46
    • 72

    Sunny

    • 45
    • 73

    Sunny

    • 51
    • 72

    Mostly Sunny

    • 56
    • 74

    Partly Sunny

    • 53
    • 72

    Rain Showers

    • 47
    • 65

    Slight Chance Rain Showers

    • 47
    • 65

    Mostly Sunny

Today 17 Oct Johnson

Clear. Low in the mid 40s. South wind 5 to 10 Mph.

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Williamstown Temperature Statistics

October Temperature

Iowa City, Iowa City Municipal Airport (10.6 miles)

  • Lowest 15 October, 2017

    39 °F
  • Average October

    62.3 °F
  • Highest 2 October, 2017

    87.1 °F

Climate (2010–Present)

Iowa City, Iowa City Municipal Airport (10.6 miles)

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  • Average Low 2010–Present

    41.5 °F
  • Average 2010–Present

    51.4 °F
  • Average High 2010–Present

    60.6 °F
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