Port Byron Weather Forecast

    • 46
    • 62

    Rain Showers

    • 34
    • 53

    Mostly Cloudy

    • 39
    • 56

    Sunny

    • 43
    • 65

    Partly Sunny

    • 45
    • 68

    Partly Sunny

    • 48
    • 71

    Mostly Sunny

Today 15 Oct Rock Island

Showers likely late this Morning, then Showers with a slight chance of Thunderstorms this afternoon. Highs in the lower 60s. East Winds 5 to 10 Mph, becoming southeast this afternoon. Chance of rain 90 percent.

Tonight 15 Oct Rock Island

Mostly cloudy. A chance of Showers in the evening. Cooler with Lows in the mid 40s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 50 percent.

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Port Byron Temperature Statistics

October Temperature

Davenport Municipal Airport (13 miles)

  • Lowest 5 October, 2026

    41.6 °F

  • Average October

    65 °F

  • Highest 12 October, 2026

    87.1 °F

Climate (2021–2026)

Davenport Municipal Airport (13 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    62.5 °F
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