Lake Wausau Weather Forecast

    • 57
    • 80

    Mostly Cloudy

    • 52
    • 77

    Mostly Sunny

    • 49
    • 76

    Mostly Sunny

    • 56
    • 78

    Partly Sunny

    • 60
    • 80

    Chance Rain Showers

    • 56
    • 80

    Slight Chance Thunderstorms

Today 21 Aug Marathon

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the upper 70s. Southwest wind 5 to 10 Mph. Chance of rain 40 percent.

Tonight 21 Aug Marathon

Mostly clear. Lows in the middle 50s. Northwest wind 5 to 10 Mph in the evening becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Wausau Temperature Statistics

August Temperature

Wausau Downtown Airport (0.6 miles)

  • Lowest 19 August, 2026

    52 °F

  • Average August

    71.4 °F

  • Highest 1 August, 2026

    87.7 °F

Climate (2021–2026)

Wausau Downtown Airport (0.6 miles)

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  • Average Low 2021–2026

    37.3 °F

  • Average 2021–2026

    46.7 °F

  • Average High 2021–2026

    55.9 °F
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