Wausau Weather Forecast

    • 51
    • 79

    Mostly Sunny

    • 52
    • 75

    Mostly Sunny

    • 62
    • 81

    Chance Rain Showers

    • 48
    • 76

    Partly Sunny

    • 52
    • 69

    Rain Showers

    • 55
    • 75

    Rain Showers

    • 48
    • 70

    Mostly Cloudy

Today 9 Sep Marathon

Breezy. Sunny. Nearly steady temperature in the upper 70s. West wind 15 to 25 Mph.

Tonight 9 Sep Marathon

Cooler. Clear. Lows around 50. Northwest wind 5 to 10 Mph in the evening becoming light and variable.

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  • Temperature Real-Time

Wausau Temperature Statistics

September Temperature

Wausau Downtown Airport (1.9 miles)

  • Lowest 7 September, 2026

    57 °F

  • Average September

    72.8 °F

  • Highest 1 September, 2026

    89.7 °F

Climate (2021–2026)

Wausau Downtown Airport (1.9 miles)

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  • Average Low 2021–2026

    37.4 °F

  • Average 2021–2026

    46.8 °F

  • Average High 2021–2026

    56 °F
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