Early - Merkel Field Weather Forecast

    • 57
    • 85

    Mostly Sunny

    • 58
    • 84

    Mostly Sunny

    • 60
    • 86

    Partly Sunny

    • 60
    • 79

    Chance Rain Showers

    • 59
    • 77

    Chance Rain Showers

    • 58
    • 77

    Chance Rain Showers

Today 16 Sep Winnebago

Sunny. Highs in the mid 80s. East Winds around 5 Mph.

Tonight 16 Sep Winnebago

Mostly clear. Lows in the upper 50s. East Winds around 5 Mph in the Evening, becoming light and variable.

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Early - Merkel Field Temperature Statistics

September Temperature

Rockford, Greater Rockford Airport (13.7 miles)

  • Lowest 7 September, 2025

    39.9 °F

  • Average September

    62 °F

  • Highest 12 September, 2025

    84 °F

Climate (2020–Present)

Rockford, Greater Rockford Airport (13.7 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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