Appleton Weather Forecast

    • 39
    • 61

    Mostly Sunny

    • 37
    • 62

    Partly Sunny

    • 36
    • 58

    Partly Sunny

    • 40
    • 60

    Mostly Sunny

    • 44
    • 68

    Partly Sunny

    • 47
    • 70

    Slight Chance Thunderstorms

Today 29 Apr Knox

Sunny. Highs in the lower 60s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 29 Apr Knox

Mostly cloudy. Near steady temperature in the upper 40s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Appleton Temperature Statistics

April Temperature

Galesburg Municipal Airport (13.7 miles)

  • Lowest 5 April, 2026

    32.9 °F

  • Average April

    53.7 °F

  • Highest 17 April, 2026

    82.8 °F

Climate (2021–Present)

Galesburg Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    62.3 °F
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