Rock Island Weather Forecast

    • 45
    • 70

    Sunny

    • 53
    • 76

    Mostly Sunny

    • 59
    • 77

    Slight Chance Thunderstorms

    • 61
    • 84

    Mostly Sunny

    • 62
    • 86

    Mostly Sunny

    • 64
    • 88

    Partly Sunny

Today 7 Sep Rock Island

Sunny. Highs in the upper 60s. Northwest Winds around 5 Mph.

Tonight 7 Sep Rock Island

Clear. Lows in the mid 40s. Northeast Winds around 5 Mph, becoming southeast after midnight.

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Rock Island Temperature Statistics

September Temperature

Moline Quad-City Airport (5 miles)

  • Lowest 4 September, 2025

    45 °F

  • Average September

    62.4 °F

  • Highest 2 September, 2025

    80.1 °F

Climate (2020–Present)

Moline Quad-City Airport (5 miles)

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  • Average Low 2020–2025

    42.9 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    63.5 °F
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