Lake Wausau Weather Forecast

    • 70
    • 92

    Mostly Sunny

    • 69
    • 93

    Mostly Sunny

    • 66
    • 90

    Partly Sunny

    • 66
    • 87

    Chance Rain Showers

    • 64
    • 85

    Slight Chance Thunderstorms

    • 63
    • 85

    Slight Chance Thunderstorms

Today 13 Jul Marathon

Hot and humid. Sunny. Highs in the lower 90s. West wind 10 to 15 Mph. Heat indices to 100.

Tonight 13 Jul Marathon

Muggy. Mostly clear. Lows in the upper 60s. West wind 5 to 10 Mph. Highest heat index Readings to 99 in the evening.

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Lake Wausau Temperature Statistics

July Temperature

Wausau Downtown Airport (0.6 miles)

  • Lowest 6 July, 2026

    59.6 °F

  • Average July

    74.2 °F

  • Highest 7 July, 2026

    87.7 °F

Climate (2021–2026)

Wausau Downtown Airport (0.6 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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