Big Carnelian Lake Weather Forecast

    • 50
    • 72

    Increasing Clouds

    • 45
    • 66

    Partly Sunny

    • 53
    • 65

    Rain Showers

    • 47
    • 67

    Partly Sunny

    • 49
    • 66

    Mostly Cloudy

    • 49
    • 68

    Slight Chance Rain Showers

Today 12 Sep Washington

Cooler. Mostly cloudy then becoming sunny early in the morning then becoming mostly sunny then becoming sunny late in the afternoon. Highs in the lower 70s. Northwest Winds 10 to 15 Mph.

Tonight 12 Sep Washington

Partly cloudy. Lows in the lower 50s. Northwest Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Carnelian Lake Temperature Statistics

September Temperature

Lake Elmo Airport (9.3 miles)

  • Lowest 9 September, 2026

    55.4 °F

  • Average September

    72.4 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Lake Elmo Airport (9.3 miles)

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  • Average Low 2021–2026

    36.6 °F

  • Average 2021–2026

    46.2 °F

  • Average High 2021–2026

    55.3 °F
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