Sandy Lake Weather Forecast

    • 47
    • 71

    Mostly Cloudy

    • 52
    • 69

    Chance Rain Showers

    • 53
    • 66

    Partly Sunny

    • 53
    • 72

    Mostly Cloudy

    • 55
    • 69

    Rain Showers Likely

    • 52
    • 68

    Chance Rain Showers

Today 25 Sep Monroe

Mostly cloudy this Morning, then becoming partly sunny. Patchy fog this morning. Highs around 70. East Winds 5 to 10 Mph.

Tonight 25 Sep Monroe

Mostly cloudy in the Evening, then clearing. Lows in the upper 40s. Southeast 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 14 September, 2026

    36.9 °F

  • Average September

    65.6 °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

    35.3 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    58.4 °F
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