Sandy Lake Weather Forecast

    • 56
    • 83

    Partly Sunny

    • 62
    • 83

    Mostly Sunny

    • 54
    • 81

    Rain Showers

    • 52
    • 79

    Partly Sunny

    • 56
    • 81

    Partly Sunny

    • 58
    • 81

    Slight Chance Rain Showers

Today 16 Aug Monroe

Mostly sunny. Near steady temperature in the upper 70s. Northwest Winds 10 to 15 Mph.

Tonight 16 Aug Monroe

Partly cloudy this Evening, then becoming mostly clear. Areas of fog after midnight. Cooler with Lows in the mid 50s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sandy Lake Temperature Statistics

August Temperature

Sparta, Sparta / Fort McCoy Airport (0.6 miles)

  • Lowest 6 August, 2026

    48.6 °F

  • Average August

    70.9 °F

  • Highest 11 August, 2026

    86.5 °F

Climate (2021–2026)

Sparta, Sparta / Fort McCoy Airport (0.6 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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