La Jolla Heights Weather Forecast

    • 63
    • 72

    Mostly Sunny

    • 64
    • 73

    Partly Sunny

    • 65
    • 72

    Mostly Cloudy

    • 65
    • 71

    Partly Sunny

    • 66
    • 72

    Partly Sunny

Today 18 Sep San Diego County Coastal Areas

Partly cloudy this morning. Becoming mostly sunny. Highs 73 to 77. Light Winds becoming west 10 to 15 Mph this afternoon.

Tonight 18 Sep San Diego County Coastal Areas

Mostly clear in the evening. Becoming partly cloudy. Lows 58 to 63. Areas of Winds west to 10 Mph in the evening becoming light.

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La Jolla Heights Temperature Statistics

September Temperature

San Diego, Miramar MCAS/Mitscher Field Airport (5.6 miles)

  • Lowest 3 September, 2026

    57 °F

  • Average September

    75.3 °F

  • Highest 9 September, 2026

    104 °F

Climate (2021–2026)

San Diego, Miramar MCAS/Mitscher Field Airport (5.6 miles)

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  • Average Low 2021–2026

    53 °F

  • Average 2021–2026

    62.1 °F

  • Average High 2021–2026

    72.5 °F
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