Rock Island Arsenal Weather Forecast

    • 49
    • 81

    Chance Thunderstorms

    • 42
    • 61

    Chance Rain Showers

    • 40
    • 59

    Mostly Cloudy

    • 46
    • 63

    Partly Sunny

    • 44
    • 67

    Chance Rain Showers

    • 49
    • 71

    Partly Sunny

Today 4 May Rock Island

Sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs around 80. Southwest Winds around 5 Mph, increasing to 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 4 May Rock Island

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly cloudy after midnight. Lows in the upper 40s. West Winds 10 to 15 Mph, becoming north 5 to 10 Mph after midnight. Chance of rain 50 percent.

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Rock Island Arsenal Temperature Statistics

May Temperature

Moline Quad-City Airport (4.3 miles)

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Climate (2021–Present)

Moline Quad-City Airport (4.3 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    64 °F
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