Chicago Rockford International Airport Weather Forecast

    • 61
    • 86

    Sunny

    • 59
    • 86

    Mostly Sunny

    • 58
    • 86

    Mostly Sunny

    • 59
    • 87

    Partly Sunny

    • 61
    • 86

    Chance Thunderstorms

    • 58
    • 77

    Chance Thunderstorms

    • 56
    • 73

    Chance Rain Showers

Today 14 Sep Winnebago

Partly cloudy late in the Morning, then becoming mostly sunny. Patchy dense fog late in the morning. Highs in the mid 80s. East Winds around 5 Mph, increasing to around 10 Mph in the afternoon.

Tonight 14 Sep Winnebago

Clear. Lows in the lower 60s. East Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Chicago Rockford International Airport Temperature Statistics

September Temperature

Rockford, Greater Rockford Airport (0 miles)

  • Lowest 7 September, 2025

    39.9 °F

  • Average September

    61.3 °F

  • Highest 12 September, 2025

    84 °F

Climate (2020–Present)

Rockford, Greater Rockford Airport (0 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    41.6 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    61.5 °F
Get WillyWeather+ to remove ads