Williamstown Weather Forecast

    • 50
    • 69

    Chance Thunderstorms

    • 44
    • 69

    Chance Thunderstorms

    • 44
    • 60

    Partly Sunny

    • 46
    • 63

    Mostly Sunny

    • 47
    • 66

    Mostly Sunny

    • 55
    • 75

    Partly Sunny

    • 53
    • 73

    Slight Chance Rain Showers

Today 1 May Lewis

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the lower 70s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 1 May Lewis

Mostly cloudy with scattered Showers and Thunderstorms this Evening, then partly cloudy after midnight. Lows in the lower 50s. West Winds 5 to 10 Mph. Chance of rain 40 percent.

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Williamstown Temperature Statistics

May Temperature

Keokuk Municipal Airport (24.2 miles)

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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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