Williamstown Weather Forecast

    • 53
    • 77

    Increasing Clouds

    • 52
    • 77

    Partly Sunny

    • 52
    • 77

    Mostly Cloudy

    • 51
    • 75

    Mostly Cloudy

    • 50
    • 69

    Mostly Cloudy

    • 48
    • 70

    Partly Sunny

Today 23 Oct Lewis

Sunny. Highs in the upper 70s. Southeast Winds 5 to 10 Mph.

Tonight 23 Oct Lewis

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. Southeast Winds around 5 Mph.

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Williamstown Temperature Statistics

October Temperature

Keokuk Municipal Airport (24.2 miles)

  • Lowest 17 October, 2026

    35.6 °F

  • Average October

    61.9 °F

  • Highest 12 October, 2026

    87.8 °F

Climate (2021–2026)

Keokuk Municipal Airport (24.2 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    63.2 °F
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