Harper Weather Forecast

    • 13
    • 41

    Decreasing Clouds

    • 18
    • 26

    Partly Sunny

    • 17
    • 30

    Mostly Cloudy

    • 19
    • 31

    Partly Sunny

    • 27
    • 39

    Partly Sunny

    • 27
    • 42

    Partly Sunny

Today 31 Dec Keokuk

Mostly cloudy with patchy drizzle early this Morning, then partly sunny this afternoon. Highs in the lower 40s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 31 Dec Keokuk

Mostly cloudy in the Evening, then becoming partly cloudy. Much cooler with Lows around 13. North Winds 10 to 15 Mph.

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Harper Temperature Statistics

December Temperature

Washington (20.5 miles)

  • Lowest 14 December, 2025

    -11.2 °F

  • Average December

    26.6 °F

  • Highest 23 December, 2025

    48.2 °F

Climate (2020–Present)

Washington (20.5 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    62.3 °F
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