Wausau Downtown Airport Weather Forecast

    • 47
    • 65

    Mostly Sunny

    • 47
    • 66

    Mostly Cloudy

    • 46
    • 69

    Mostly Cloudy

    • 50
    • 66

    Chance Rain Showers

    • 53
    • 66

    Mostly Cloudy

    • 54
    • 72

    Partly Sunny

Today 23 Sep Marathon

Sunny. Highs in the middle 60s. East wind 5 to 10 Mph.

Tonight 23 Sep Marathon

Mostly clear. Lows in the middle 40s. East wind 5 to 10 Mph in the evening becoming light and variable.

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Wausau Downtown Airport Temperature Statistics

September Temperature

Wausau Downtown Airport (0 miles)

  • Lowest 14 September, 2026

    40.6 °F

  • Average September

    65.8 °F

  • Highest 1 September, 2026

    89.7 °F

Climate (2021–2026)

Wausau Downtown Airport (0 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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