Appleton Weather Forecast

    • 55
    • 61

    Rain Showers

    • 52
    • 65

    Decreasing Clouds

    • 49
    • 67

    Mostly Cloudy

    • 45
    • 64

    Mostly Cloudy

    • 46
    • 65

    Partly Sunny

    • 50
    • 67

    Chance Rain Showers

    • 52
    • 71

    Partly Sunny

Today 18 Sep Swift

Partly sunny. Highs in the lower 70s.

Tonight 18 Sep Swift

Cloudy. Patchy fog early in the evening. Rain Showers likely and chance of drizzle in the Evening, then chance of rain Showers and slight chance of drizzle after midnight. Lows in the mid 50s. East Winds 5 to 15 Mph. Chance of Showers 70 percent.

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Appleton Temperature Statistics

September Temperature

Appleton Municipal Airport (1.9 miles)

  • Lowest 16 September, 2026

    44.1 °F

  • Average September

    68.7 °F

  • Highest 3 September, 2026

    94.6 °F

Climate (2021–2026)

Appleton Municipal Airport (1.9 miles)

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  • Average Low 2021–2026

    36.9 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    57.5 °F
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