Chicago Rockford International Airport Weather Forecast

    • 59
    • 81

    Increasing Clouds

    • 70
    • 86

    Rain Showers

    • 57
    • 84

    Rain Showers Likely

    • 53
    • 79

    Mostly Sunny

    • 61
    • 82

    Chance Rain Showers

    • 60
    • 84

    Partly Sunny

Today 7 Sep Winnebago

Mostly sunny in the Morning, then becoming partly cloudy. Patchy fog early in the morning. Highs around 80. Southeast Winds 5 to 10 Mph.

Tonight 7 Sep Winnebago

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 50s. Southeast Winds around 5 Mph.

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Chicago Rockford International Airport Temperature Statistics

September Temperature

Rockford, Greater Rockford Airport (0 miles)

  • Lowest 5 September, 2026

    69.1 °F

  • Average September

    81.9 °F

  • Highest 2 September, 2026

    96.7 °F

Climate (2021–2026)

Rockford, Greater Rockford Airport (0 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.7 °F
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