Sandy Lake Weather Forecast

    • 55
    • 79

    Sunny

    • 62
    • 82

    Rain Showers Likely

    • 49
    • 79

    Partly Sunny

    • 55
    • 74

    Chance Rain Showers

    • 55
    • 81

    Chance Rain Showers

Today 10 Sep Monroe

Mostly sunny. Highs in the upper 70s. Light Winds.

Tonight 10 Sep Monroe

Partly cloudy. Much cooler with Lows around 50. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sandy Lake Temperature Statistics

September Temperature

Sparta, Sparta / Fort McCoy Airport (0.6 miles)

  • Lowest 7 September, 2026

    57.9 °F

  • Average September

    74.3 °F

  • Highest 1 September, 2026

    91 °F

Climate (2021–2026)

Sparta, Sparta / Fort McCoy Airport (0.6 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    58.5 °F
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