Williamstown Weather Forecast

    • 65
    • 86

    Mostly Sunny

    • 72
    • 94

    Chance Thunderstorms

    • 60
    • 90

    Partly Sunny

    • 62
    • 83

    Mostly Sunny

    • 62
    • 84

    Chance Thunderstorms

    • 56
    • 79

    Slight Chance Thunderstorms

Today 16 Jun Johnson

Sunny. High in the mid 80s. Southeast wind 5 to 10 Mph.

Tonight 16 Jun Johnson

Clear in the evening then becoming partly cloudy. Low in the mid 60s. Southeast wind 5 to 10 Mph.

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Williamstown Temperature Statistics

June Temperature

Iowa City Municipal Airport (10.6 miles)

  • Lowest 1 June, 2021

    51.1 °F

  • Average June

    76.9 °F

  • Highest 10 June, 2021

    93.9 °F

Climate (2010–Present)

Iowa City Municipal Airport (10.6 miles)

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  • Average Low 2010–Present

    41.2 °F

  • Average 2010–Present

    50.1 °F

  • Average High 2010–Present

    59.3 °F
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