Rockford Weather Forecast

    • 30
    • 37

    Mostly Cloudy

    • 13
    • 44

    Rain

    • 20
    • 26

    Mostly Cloudy

    • 15
    • 40

    Mostly Cloudy

    • 17
    • 28

    Mostly Cloudy

    • 27
    • 35

    Mostly Cloudy

Today 17 Dec Winnebago

Partly cloudy in the Morning, then becoming mostly cloudy. Highs in the mid 30s. Northwest Winds around 5 Mph, becoming south in the afternoon.

Tonight 17 Dec Winnebago

Mostly cloudy. Rain Showers and drizzle likely after midnight. Lows in the upper 20s. Temperature rising into the upper 30s after midnight. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 60 percent.

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Rockford Temperature Statistics

December Temperature

Rockford, Greater Rockford Airport (5 miles)

  • Lowest 14 December, 2025

    -6 °F

  • Average December

    18.4 °F

  • Highest 9 December, 2025

    39.9 °F

Climate (2020–Present)

Rockford, Greater Rockford Airport (5 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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