Rock Island Weather Forecast

    • 67
    • 81

    Chance Thunderstorms

    • 69
    • 85

    Mostly Cloudy

    • 70
    • 87

    Slight Chance Thunderstorms

    • 70
    • 89

    Mostly Cloudy

    • 72
    • 89

    Mostly Cloudy

    • 70
    • 92

    Mostly Cloudy

Today 22 Apr Colorado

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Morning, then partly sunny with Showers likely with a chance of Thunderstorms in the afternoon. Not as cool with Highs in the lower 80s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 22 Apr Colorado

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly cloudy after midnight. Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Island Temperature Statistics

April Temperature

Robert R Wells Jr Airport (8.1 miles)

  • Lowest 7 April, 2026

    44.6 °F

  • Average April

    70.2 °F

  • Highest 1 April, 2026

    86.5 °F

Climate (2021–Present)

Robert R Wells Jr Airport (8.1 miles)

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  • Average Low 2021–2026

    60.6 °F

  • Average 2021–2026

    70.4 °F

  • Average High 2021–2026

    81.1 °F
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