Appleton Weather Forecast

    • 60
    • 74

    Rain Showers Likely

    • 57
    • 70

    Rain Showers Likely

    • 57
    • 71

    Slight Chance Thunderstorms

    • 58
    • 78

    Chance Rain Showers

    • 54
    • 76

    Slight Chance Thunderstorms

    • 53
    • 73

    Mostly Sunny

Today 18 Sep Swift

Mostly cloudy. Chance of Showers early in the morning. Slight chance of Thunderstorms until Afternoon, then chance of Thunderstorms late in the afternoon. Highs in the mid 70s. Southeast Winds 5 to 10 Mph. Chance of precipitation 40 percent.

Tonight 18 Sep Swift

Mostly cloudy. Chance of Thunderstorms in the Evening, then Showers likely and chance of Thunderstorms after midnight. Lows in the lower 60s. East Winds up to 10 Mph. Chance of precipitation 60 percent.

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Appleton Temperature Statistics

September Temperature

Appleton Municipal Airport (1.9 miles)

  • Lowest 7 September, 2025

    39.2 °F

  • Average September

    64.5 °F

  • Highest 14 September, 2025

    89.6 °F

Climate (2020–Present)

Appleton Municipal Airport (1.9 miles)

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  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    57.4 °F
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