Harper Weather Forecast

    • 65
    • 86

    Slight Chance Thunderstorms

    • 65
    • 83

    Rain Showers Likely

    • 67
    • 85

    Rain Showers Likely

    • 71
    • 91

    Slight Chance Thunderstorms

    • 72
    • 96

    Mostly Sunny

Today 6 Jun Keokuk

Partly sunny. A chance of Showers and Thunderstorms, mainly this morning. Highs in the upper 80s. Southwest Winds around 5 Mph. Chance of rain 30 percent.

Tonight 6 Jun Keokuk

Mostly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Humid with Lows in the mid 60s. South Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harper Temperature Statistics

June Temperature

Washington (20.5 miles)

  • Lowest 2 June, 2026

    53.6 °F

  • Average June

    71.4 °F

  • Highest 1 June, 2026

    86 °F

Climate (2021–Present)

Washington (20.5 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    62.9 °F
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