Sunnyvale RC Park Weather Forecast

    • 70
    • 89

    Rain Showers Likely

    • 60
    • 84

    Chance Thunderstorms

    • 58
    • 83

    Mostly Sunny

    • 62
    • 84

    Mostly Sunny

    • 65
    • 85

    Chance Thunderstorms

    • 61
    • 79

    Chance Thunderstorms

    • 58
    • 83

    Mostly Sunny

Today 26 Jul Marathon

Very warm and humid. Partly cloudy. Highs in the upper 80s. Southwest wind 5 to 10 Mph. Heat indices to 98.

Tonight 26 Jul Marathon

Muggy. Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then Showers likely and a chance of Thunderstorms after midnight. Lows in the upper 60s. Southwest wind 5 to 10 Mph. Chance of rain 70 percent. Highest heat index Readings to 97 in the evening.

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Sunnyvale RC Park Temperature Statistics

July Temperature

Wausau Downtown Airport (5 miles)

  • Lowest 22 July, 2026

    49.6 °F

  • Average July

    73.5 °F

  • Highest 14 July, 2026

    93.7 °F

Climate (2021–2026)

Wausau Downtown Airport (5 miles)

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  • Average Low 2021–2026

    37.3 °F

  • Average 2021–2026

    46.7 °F

  • Average High 2021–2026

    55.9 °F
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