Lewis County Regional Airport Weather Forecast

    • 72
    • 95

    Chance Thunderstorms

    • 70
    • 91

    Chance Thunderstorms

    • 65
    • 85

    Partly Sunny

    • 64
    • 83

    Mostly Sunny

    • 66
    • 86

    Mostly Sunny

    • 59
    • 83

    Mostly Sunny

Today 18 Aug Lewis

Mostly sunny. Humid with Highs in the lower 90s. South Winds 5 to 10 Mph. Heat index Values up to 104.

Tonight 18 Aug Lewis

Mostly clear. Near steady temperature in the lower 70s. Southeast Winds around 5 Mph.

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Lewis County Regional Airport Temperature Statistics

August Temperature

Keokuk Municipal Airport (26.1 miles)

  • Lowest 14 August, 2025

    60.8 °F

  • Average August

    76.9 °F

  • Highest 15 August, 2025

    91.4 °F

Climate (2020–Present)

Keokuk Municipal Airport (26.1 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    62.4 °F
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