Appleton Weather Forecast

    • 71
    • 91

    Chance Thunderstorms

    • 72
    • 90

    Rain Showers Likely

    • 67
    • 91

    Mostly Sunny

    • 66
    • 86

    Mostly Sunny

    • 70
    • 90

    Slight Chance Thunderstorms

    • 64
    • 88

    Mostly Sunny

Today 16 Jul Knox

Patchy fog this morning. Mostly sunny. Highs in the lower 90s. Light and variable Winds, becoming south around 5 Mph this afternoon. Heat index Values up to 101.

Tonight 16 Jul Knox

Partly cloudy. Humid with Lows in the lower 70s. South Winds around 5 Mph.

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Appleton Temperature Statistics

July Temperature

Galesburg Municipal Airport (13.7 miles)

  • Lowest 8 July, 2026

    60.6 °F

  • Average July

    76 °F

  • Highest 2 July, 2026

    90 °F

Climate (2021–2026)

Galesburg Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    62.4 °F
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