Sylvan Hill Park Weather Forecast

    • 40
    • 59

    Increasing Clouds

    • 46
    • 64

    Chance Rain Showers

    • 48
    • 66

    Chance Rain Showers

    • 51
    • 75

    Mostly Sunny

    • 55
    • 81

    Chance Thunderstorms

    • 57
    • 84

    Slight Chance Thunderstorms

    • 57
    • 83

    Chance Rain Showers

Today 21 May Marathon

Partly cloudy. Highs in the upper 50s. Southeast wind 5 to 10 Mph.

Tonight 21 May Marathon

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 30s. East wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sylvan Hill Park Temperature Statistics

May Temperature

Wausau Downtown Airport (3.7 miles)

  • Lowest 2 May, 2026

    26.7 °F

  • Average May

    51.6 °F

  • Highest 15 May, 2026

    81.6 °F

Climate (2021–Present)

Wausau Downtown Airport (3.7 miles)

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  • Average Low 2021–2026

    37.4 °F

  • Average 2021–2026

    46.7 °F

  • Average High 2021–2026

    56 °F
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