Williamstown Weather Forecast

    • 65
    • 86

    Mostly Sunny

    • 66
    • 88

    Mostly Sunny

    • 70
    • 90

    Mostly Sunny

    • 74
    • 92

    Partly Sunny

    • 72
    • 92

    Chance Thunderstorms

    • 69
    • 89

    Chance Thunderstorms

Today 1 Jul Lewis

Sunny. Highs in the mid 80s. Northwest Winds 5 to 10 Mph.

Tonight 1 Jul Lewis

Mostly clear. Near steady temperature in the mid 60s. Northwest Winds around 5 Mph.

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Williamstown Temperature Statistics

July Temperature

Keokuk Municipal Airport (24.2 miles)

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  • Average July

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Climate (2020–Present)

Keokuk Municipal Airport (24.2 miles)

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  • Average Low 2020–2025

    43.5 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    62.6 °F
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