Wausau Weather Forecast

    • 67
    • 86

    Chance Thunderstorms

    • 59
    • 81

    Rain Showers Likely

    • 61
    • 71

    Rain Showers Likely

    • 62
    • 76

    Rain Showers Likely

    • 59
    • 76

    Slight Chance Thunderstorms

    • 58
    • 79

    Mostly Sunny

Today 15 Aug Marathon

Humid. Partly cloudy. A slight chance of Showers in the morning. Highs in the middle 80s. South wind 5 to 10 Mph. Chance of rain 20 percent.

Tonight 15 Aug Marathon

Muggy. Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the upper 60s. Southwest wind 5 to 10 Mph in the evening becoming light and variable. Chance of rain 50 percent.

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Wausau Temperature Statistics

August Temperature

Wausau Downtown Airport (1.9 miles)

  • Lowest 1 August, 2025

    51.7 °F

  • Average August

    71 °F

  • Highest 8 August, 2025

    91.7 °F

Climate (2020–Present)

Wausau Downtown Airport (1.9 miles)

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  • Average Low 2020–2025

    37.5 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    55.8 °F
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