Appleton Weather Forecast

    • 59
    • 70

    Chance Rain Showers

    • 56
    • 69

    Slight Chance Rain Showers

    • 57
    • 67

    Chance Rain Showers

    • 54
    • 70

    Partly Sunny

    • 57
    • 72

    Partly Sunny

    • 62
    • 74

    Rain Showers Likely

Today 24 Sep Knox

Mostly cloudy. Highs around 70. East Winds around 5 Mph.

Tonight 24 Sep Knox

Mostly cloudy. A chance of Showers after midnight. Lows in the upper 50s. East Winds around 5 Mph. Chance of rain 30 percent.

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Appleton Temperature Statistics

September Temperature

Galesburg Municipal Airport (13.7 miles)

  • Lowest 14 September, 2026

    52.3 °F

  • Average September

    72.1 °F

  • Highest 3 September, 2026

    93.6 °F

Climate (2021–2026)

Galesburg Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    41.9 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    62.5 °F
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