Sylvan Hill Park Weather Forecast

    • 41
    • 69

    Increasing Clouds

    • 38
    • 62

    Mostly Cloudy

    • 39
    • 65

    Mostly Sunny

    • 40
    • 67

    Partly Sunny

    • 43
    • 67

    Areas Fog

    • 45
    • 71

    Patchy Fog

Today 20 Sep Marathon

Mostly cloudy. Highs in the upper 60s. Northeast wind 10 to 15 Mph.

Tonight 20 Sep Marathon

Mostly cloudy. Lows in the lower 40s. Northeast wind 5 to 10 Mph.

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  • Temperature Real-Time

Sylvan Hill Park Temperature Statistics

September Temperature

Wausau Downtown Airport (3.7 miles)

  • Lowest 14 September, 2026

    40.6 °F

  • Average September

    67.2 °F

  • Highest 1 September, 2026

    89.7 °F

Climate (2021–2026)

Wausau Downtown Airport (3.7 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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