Rockford Weather Forecast

    • 46
    • 68

    Mostly Cloudy

    • 44
    • 71

    Mostly Sunny

    • 47
    • 72

    Mostly Sunny

    • 49
    • 72

    Mostly Sunny

    • 58
    • 72

    Mostly Cloudy

    • 61
    • 76

    Chance Rain Showers

Today 25 Sep Mercer

Partly cloudy. Highs in the upper 60s. Northeast Winds around 5 Mph.

Tonight 25 Sep Mercer

Partly cloudy. Lows in the upper 40s. Northeast Winds around 5 Mph.

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Rockford Temperature Statistics

September Temperature

Lima, Lima Allen County Airport (32.3 miles)

  • Lowest 14 September, 2026

    49.6 °F

  • Average September

    71.7 °F

  • Highest 2 September, 2026

    93.7 °F

Climate (2021–2026)

Lima, Lima Allen County Airport (32.3 miles)

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  • Average Low 2021–2026

    44.2 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    62.8 °F
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