Big Carnelian Lake Weather Forecast

    • 40
    • 55

    Rain Showers

    • 40
    • 65

    Mostly Sunny

    • 43
    • 64

    Partly Sunny

    • 45
    • 65

    Mostly Cloudy

    • 47
    • 66

    Mostly Cloudy

    • 47
    • 68

    Chance Rain Showers

Today 21 May Washington

Rain Showers. Highs in the mid 50s. Northeast Winds 5 to 10 Mph. Chance of Showers 90 percent.

Tonight 21 May Washington

Cloudy. Rain Showers likely in the evening. Lows in the lower 40s. North Winds up to 5 Mph. Chance of Showers 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Carnelian Lake Temperature Statistics

May Temperature

Lake Elmo Airport (9.3 miles)

  • Lowest 4 May, 2025

    39.2 °F
  • Average May

    59.9 °F
  • Highest 11 May, 2025

    86 °F

Climate (2020–Present)

Lake Elmo Airport (9.3 miles)

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  • Average Low 2020–2025

    36.5 °F
  • Average 2020–2025

    46 °F
  • Average High 2020–2025

    55 °F
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