Port Byron Weather Forecast

    • 62
    • 81

    Chance Thunderstorms

    • 39
    • 77

    Rain Showers Likely

    • 39
    • 46

    Rain Showers

    • 42
    • 67

    Rain Showers

    • 48
    • 68

    Rain Showers

    • 34
    • 60

    Chance Rain Showers

    • 32
    • 52

    Mostly Sunny

Today 30 Mar Rock Island

Sunny and much warmer. Near steady temperature in the lower 80s. Southwest Winds around 15 Mph with Gusts up to 30 Mph.

Tonight 30 Mar Rock Island

Sunny Early, then mostly cloudy with a chance of Showers and Thunderstorms. Not as cool with Lows in the lower 60s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Byron Temperature Statistics

March Temperature

Davenport Municipal Airport (13 miles)

  • Lowest 16 March, 2026

    12.9 °F

  • Average March

    44.2 °F

  • Highest 21 March, 2026

    84.9 °F

Climate (2021–Present)

Davenport Municipal Airport (13 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    62.5 °F
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