Wausau Weather Forecast

    • 50
    • 82

    Chance Thunderstorms

    • 50
    • 77

    Sunny

    • 57
    • 86

    Mostly Sunny

    • 51
    • 81

    Mostly Sunny

    • 54
    • 80

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

Today 27 May Marathon

Sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the lower 80s. Light and variable wind becoming northeast 5 to 10 Mph in the afternoon. Chance of rain 40 percent.

Tonight 27 May Marathon

Mostly clear. Lows in the upper 40s. Northeast wind 5 to 10 Mph.

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Wausau Temperature Statistics

May Temperature

Wausau Downtown Airport (1.9 miles)

  • Lowest 2 May, 2026

    26.7 °F

  • Average May

    53.2 °F

  • Highest 25 May, 2026

    82 °F

Climate (2021–Present)

Wausau Downtown Airport (1.9 miles)

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  • Average Low 2021–2026

    37.4 °F

  • Average 2021–2026

    46.7 °F

  • Average High 2021–2026

    55.9 °F
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