Rock Island Arsenal Weather Forecast

    • 61
    • 81

    Partly Sunny

    • 64
    • 83

    Mostly Sunny

    • 67
    • 86

    Partly Sunny

    • 63
    • 81

    Chance Rain Showers

    • 64
    • 81

    Slight Chance Thunderstorms

    • 67
    • 84

    Partly Sunny

Today 2 Aug Rock Island

Sunny. Highs in the lower 80s. Northeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 2 Aug Rock Island

Mostly clear. Humid with Lows around 60. Northeast Winds 5 to 10 Mph.

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Rock Island Arsenal Temperature Statistics

August Temperature

Moline Quad-City Airport (4.3 miles)

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  • Average August

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Climate (2021–2026)

Moline Quad-City Airport (4.3 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    64.1 °F
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