Round Lake Weather Forecast

    • 59
    • 81

    Chance Rain Showers

    • 66
    • 78

    Rain Showers Likely

    • 54
    • 80

    Mostly Sunny

    • 52
    • 75

    Mostly Sunny

    • 58
    • 79

    Slight Chance Thunderstorms

    • 57
    • 78

    Chance Rain Showers

Today 7 Sep Waupaca

Mostly sunny. Highs around 80. Light and variable wind becoming southeast 5 to 10 Mph in the afternoon.

Tonight 7 Sep Waupaca

Partly cloudy. Lows around 60. Southeast wind around 5 Mph in the evening becoming light and variable.

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Round Lake Temperature Statistics

September Temperature

Waupaca Municipal Airport (6.8 miles)

  • Lowest 2 September, 2026

    61.2 °F

  • Average September

    72.8 °F

  • Highest 1 September, 2026

    89.8 °F

Climate (2021–2026)

Waupaca Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    58.6 °F
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