Appleton Weather Forecast

    • 59
    • 83

    Mostly Sunny

    • 62
    • 84

    Mostly Sunny

    • 68
    • 84

    Slight Chance Thunderstorms

    • 73
    • 90

    Slight Chance Thunderstorms

    • 73
    • 91

    Chance Rain Showers

    • 71
    • 91

    Chance Rain Showers

Today 27 Aug Knox

Sunny. Highs in the lower 80s. North Winds 5 to 10 Mph.

Tonight 27 Aug Knox

Mostly clear. Lows in the upper 50s. North Winds around 5 Mph in the Evening, becoming light and variable.

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Appleton Temperature Statistics

August Temperature

Galesburg Municipal Airport (13.7 miles)

  • Lowest 24 August, 2026

    52.3 °F

  • Average August

    72.5 °F

  • Highest 10 August, 2026

    88.2 °F

Climate (2021–2026)

Galesburg Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.5 °F
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