San Elijo Lagoon Weather Forecast

    • 69
    • 82

    Increasing Clouds

    • 68
    • 80

    Partly Sunny

    • 65
    • 77

    Patchy Fog

    • 64
    • 76

    Partly Sunny

    • 63
    • 75

    Mostly Sunny

    • 65
    • 76

    Partly Sunny

    • 67
    • 78

    Mostly Sunny

Today 11 Sep San Diego County Coastal Areas

Mostly sunny. Highs 80 to 85 near the coast to 90 inland. Areas of Winds south to 10 Mph.

Tonight 11 Sep San Diego County Coastal Areas

Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows 66 to 70. Areas of Winds south 10 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Elijo Lagoon Temperature Statistics

September Temperature

Carlsbad, McClellan-Palomar Airport (8.1 miles)

  • Lowest 3 September, 2026

    62.7 °F

  • Average September

    76.8 °F

  • Highest 7 September, 2026

    99.6 °F

Climate (2021–2026)

Carlsbad, McClellan-Palomar Airport (8.1 miles)

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  • Average Low 2021–2026

    57.1 °F

  • Average 2021–2026

    63.1 °F

  • Average High 2021–2026

    69.5 °F
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