Rock Island Arsenal Weather Forecast

    • 62
    • 75

    Mostly Cloudy

    • 71
    • 82

    Mostly Cloudy

    • 69
    • 87

    Rain Showers Likely

    • 68
    • 83

    Chance Thunderstorms

    • 73
    • 87

    Chance Thunderstorms

    • 74
    • 93

    Slight Chance Thunderstorms

Today 17 Jul Rock Island

Mostly cloudy. Not as warm with Highs in the mid 70s. Northwest Winds 5 to 10 Mph, becoming north this afternoon.

Tonight 17 Jul Rock Island

Mostly cloudy. Lows in the lower 60s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Island Arsenal Temperature Statistics

July Temperature

Moline Quad-City Airport (4.3 miles)

  • Lowest 14 July, 2025

    62.1 °F

  • Average July

    77 °F

  • Highest 4 July, 2025

    91.7 °F

Climate (2020–Present)

Moline Quad-City Airport (4.3 miles)

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  • Average Low 2020–2025

    42.8 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    63.6 °F
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