Chicago Rockford International Airport Weather Forecast

    • 37
    • 46

    Cloudy

    • 42
    • 44

    Chance Rain Showers

    • 16
    • 52

    Rain Showers Likely

    • 11
    • 23

    Blustery

    • 17
    • 29

    Mostly Cloudy

    • 8
    • 25

    Mostly Cloudy

Today 26 Dec Winnebago

Cloudy. A chance of rain early in the morning. Areas of dense fog early in the Morning, then patchy fog late in the morning. Highs in the mid 40s. Northwest Winds 5 to 10 Mph. Chance of precipitation 50 percent.

Tonight 26 Dec Winnebago

Cloudy. Patchy fog after midnight. Lows in the upper 30s. North Winds around 5 Mph, becoming east after midnight.

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Chicago Rockford International Airport Temperature Statistics

December Temperature

Rockford, Greater Rockford Airport (0 miles)

  • Lowest 14 December, 2025

    -6 °F

  • Average December

    22.6 °F

  • Highest 23 December, 2025

    48.9 °F

Climate (2020–Present)

Rockford, Greater Rockford Airport (0 miles)

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  • Average Low 2020–2025

    41.6 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    61.5 °F
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