Sandy Lake Weather Forecast

    • 57
    • 84

    Chance Thunderstorms

    • 61
    • 83

    Chance Thunderstorms

    • 64
    • 85

    Rain Showers Likely

    • 62
    • 85

    Chance Rain Showers

    • 59
    • 82

    Slight Chance Thunderstorms

    • 56
    • 81

    Slight Chance Thunderstorms

Today 7 Aug Monroe

Mostly cloudy with a slight chance of Showers and Thunderstorms. Highs in the lower 80s. Southwest Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 7 Aug Monroe

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Humid with Lows in the upper 50s. Southwest Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 30 percent.

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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 3 August, 2026

    53.1 °F

  • Average August

    70.5 °F

  • Highest 1 August, 2026

    84.6 °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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