Sandy Lake Weather Forecast

    • 41
    • 64

    Mostly Cloudy

    • 42
    • 63

    Mostly Cloudy

    • 46
    • 65

    Rain Showers Likely

    • 49
    • 71

    Slight Chance Thunderstorms

    • 52
    • 79

    Mostly Sunny

    • 57
    • 86

    Mostly Sunny

Today 20 May Monroe

Mostly sunny. Highs in the lower 60s. North Winds around 5 Mph.

Tonight 20 May Monroe

Mostly cloudy. Lows around 40. Light Winds.

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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

    53.5 °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

    47.6 °F

  • Average High 2021–2026

    58.3 °F
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