Oak Island Park Weather Forecast

    • 50
    • 61

    Rain Showers Likely

    • 42
    • 67

    Mostly Cloudy

    • 40
    • 63

    Mostly Cloudy

    • 42
    • 64

    Partly Sunny

    • 45
    • 67

    Partly Sunny

    • 46
    • 70

    Partly Sunny

Today 19 Sep Marathon

Showers likely. Highs in the lower 60s. East wind 10 to 15 Mph. Chance of rain 70 percent.

Tonight 19 Sep Marathon

Cloudy. A chance of Showers in the evening. Lows in the upper 40s. Northeast wind 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oak Island Park Temperature Statistics

September Temperature

Wausau Downtown Airport (1.2 miles)

  • Lowest 14 September, 2026

    40.6 °F

  • Average September

    67.6 °F

  • Highest 1 September, 2026

    89.7 °F

Climate (2021–2026)

Wausau Downtown Airport (1.2 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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