Perch Lake Weather Forecast

    • 56
    • 81

    Slight Chance Rain Showers

    • 50
    • 82

    Mostly Sunny

    • 58
    • 83

    Partly Sunny

    • 63
    • 83

    Chance Thunderstorms

    • 63
    • 86

    Chance Rain Showers

    • 58
    • 86

    Partly Sunny

Today 26 Aug Monroe

Mostly sunny. A slight chance of Showers this afternoon. Highs around 80. Northwest Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 26 Aug Monroe

Partly cloudy in the Evening, then becoming mostly clear. Lows in the upper 50s. Northwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Perch Lake Temperature Statistics

August Temperature

Sparta, Sparta / Fort McCoy Airport (3.1 miles)

  • Lowest 20 August, 2026

    43.7 °F

  • Average August

    69.2 °F

  • Highest 11 August, 2026

    86.5 °F

Climate (2021–2026)

Sparta, Sparta / Fort McCoy Airport (3.1 miles)

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  • Average Low 2021–2026

    35.1 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    58.3 °F
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