Del Mar Heights Weather Forecast

    • 65
    • 74

    Mostly Cloudy

    • 65
    • 74

    Partly Sunny

    • 67
    • 75

    Partly Sunny

    • 68
    • 77

    Partly Sunny

    • 69
    • 79

    Partly Sunny

    • 69
    • 82

    Mostly Cloudy

Today 21 Sep San Diego County Coastal Areas

Mostly cloudy this morning. Becoming partly cloudy. Highs 74 to 79. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 21 Sep San Diego County Coastal Areas

Partly cloudy in the evening. Becoming mostly cloudy. Lows 59 to 65. Areas of Winds west to 10 Mph in the evening becoming light.

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Del Mar Heights Temperature Statistics

September Temperature

San Diego, Miramar MCAS/Mitscher Field Airport (8.1 miles)

  • Lowest 3 September, 2026

    57 °F

  • Average September

    74.5 °F

  • Highest 9 September, 2026

    104 °F

Climate (2021–2026)

San Diego, Miramar MCAS/Mitscher Field Airport (8.1 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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