Sunnyvale RC Park Weather Forecast

    • 58
    • 79

    Increasing Clouds

    • 56
    • 79

    Decreasing Clouds

    • 59
    • 81

    Partly Sunny

    • 60
    • 84

    Partly Sunny

    • 59
    • 80

    Chance Rain Showers

    • 55
    • 75

    Chance Thunderstorms

    • 49
    • 69

    Chance Rain Showers

Today 13 Sep Marathon

Mostly sunny. Temperatures near 80. Southeast wind 5 to 10 Mph.

Tonight 13 Sep Marathon

Partly cloudy. Areas of fog after midnight. Lows in the upper 50s. East wind 5 to 10 Mph in the evening becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunnyvale RC Park Temperature Statistics

September Temperature

Wausau Downtown Airport (5 miles)

  • Lowest 8 September, 2025

    39 °F

  • Average September

    56.9 °F

  • Highest 1 September, 2025

    75 °F

Climate (2020–Present)

Wausau Downtown Airport (5 miles)

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  • Average Low 2020–2025

    37.5 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    55.8 °F
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