Appleton Weather Forecast

    • 41
    • 77

    Rain Showers

    • 44
    • 50

    Rain

    • 47
    • 72

    Rain

    • 52
    • 74

    Rain

    • 36
    • 63

    Rain Likely

    • 31
    • 52

    Partly Sunny

Today 31 Mar Knox

Mostly cloudy. A chance of Showers and Thunderstorms late this Morning, then Showers and Thunderstorms likely this afternoon. Highs in the mid 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 60 percent.

Tonight 31 Mar Knox

Showers and Thunderstorms likely in the Evening, then Showers with a chance of Thunderstorms after midnight. Much cooler. Less humid with Lows in the lower 40s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

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Appleton Temperature Statistics

March Temperature

Galesburg Municipal Airport (13.7 miles)

  • Lowest 16 March, 2026

    13.1 °F

  • Average March

    46.6 °F

  • Highest 21 March, 2026

    84.2 °F

Climate (2021–Present)

Galesburg Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.2 °F
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