Rock Island Weather Forecast

    • 27
    • 36

    Increasing Clouds

    • 33
    • 40

    Mostly Cloudy

    • 9
    • 43

    Rain Likely

    • 23
    • 31

    Mostly Cloudy

    • 21
    • 43

    Partly Sunny

    • 26
    • 34

    Mostly Cloudy

Today 16 Dec Rock Island

Patchy freezing fog in the morning. Mostly sunny. Highs in the mid 30s. South Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 16 Dec Rock Island

Mostly cloudy. Not as cool with Lows in the upper 20s. Southwest Winds around 10 Mph, becoming west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Island Temperature Statistics

December Temperature

Moline Quad-City Airport (5 miles)

  • Lowest 4 December, 2025

    -2.9 °F
  • Average December

    21.5 °F
  • Highest 10 December, 2025

    44.1 °F

Climate (2020–Present)

Moline Quad-City Airport (5 miles)

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  • Average Low 2020–2025

    42.9 °F
  • Average 2020–2025

    53.4 °F
  • Average High 2020–2025

    63.6 °F
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