Sandy Lake Weather Forecast

    • 61
    • 91

    Chance Thunderstorms

    • 55
    • 88

    Chance Thunderstorms

    • 43
    • 79

    Sunny

    • 56
    • 84

    Mostly Sunny

    • 54
    • 88

    Mostly Sunny

    • 53
    • 85

    Mostly Sunny

    • 53
    • 85

    Mostly Sunny

Today 26 May Monroe

Mostly sunny. Highs in the upper 80s. Southwest Winds 5 to 10 Mph.

Tonight 26 May Monroe

Partly cloudy this Evening, then becoming mostly cloudy. A chance of Thunderstorms. A chance of Showers. Lows in the lower 60s. Light Winds, becoming southeast after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sandy Lake Temperature Statistics

May Temperature

Sparta, Sparta / Fort McCoy Airport (0.6 miles)

  • Lowest 6 May, 2026

    25.5 °F

  • Average May

    54.6 °F

  • Highest 15 May, 2026

    84.9 °F

Climate (2021–Present)

Sparta, Sparta / Fort McCoy Airport (0.6 miles)

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  • Average Low 2021–2026

    34.9 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    58.2 °F
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