Kewanee Weather Forecast

    • 66
    • 90

    Mostly Sunny

    • 62
    • 82

    Partly Sunny

    • 64
    • 82

    Partly Sunny

    • 74
    • 89

    Slight Chance Thunderstorms

    • 64
    • 88

    Chance Rain Showers

    • 63
    • 82

    Partly Sunny

Today 5 Sep Henry

Sunny, hot with Highs around 90. North Winds 5 to 10 Mph. Heat index Values up to 100.

Tonight 5 Sep Henry

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows in the mid 60s. Northeast Winds 5 to 10 Mph.

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Kewanee Temperature Statistics

September Temperature

Marshall County Airport (31.7 miles)

  • Lowest 2 September, 2026

    71.6 °F

  • Average September

    82.9 °F

  • Highest 1 September, 2026

    94.5 °F

Climate (2021–2026)

Marshall County Airport (31.7 miles)

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  • Average Low 2021–2026

    42.4 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    62.3 °F
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