Rock Island Weather Forecast

    • 74
    • 94

    Chance Rain Showers

    • 76
    • 96

    Slight Chance Thunderstorms

    • 76
    • 97

    Slight Chance Thunderstorms

    • 76
    • 96

    Chance Thunderstorms

    • 75
    • 97

    Slight Chance Thunderstorms

    • 74
    • 97

    Slight Chance Thunderstorms

Today 10 Sep Colorado

Partly sunny with a chance of Showers with isolated Thunderstorms. Near steady temperature in the lower 90s. Temperature falling to around 90 late. Southeast Winds around 5 Mph. Chance of rain 50 percent.

Tonight 10 Sep Colorado

Mostly clear. A slight chance of Showers with isolated Thunderstorms in the evening. Lows in the mid 70s. South Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Island Temperature Statistics

September Temperature

Robert R Wells Jr Airport (8.1 miles)

  • Lowest 1 September, 2026

    74.7 °F

  • Average September

    84.4 °F

  • Highest 2 September, 2026

    102 °F

Climate (2021–2026)

Robert R Wells Jr Airport (8.1 miles)

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  • Average Low 2021–2026

    60.7 °F

  • Average 2021–2026

    70.5 °F

  • Average High 2021–2026

    81.3 °F
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