Del Mar Beach Weather Forecast

    • 63
    • 72

    Partly Sunny

    • 63
    • 72

    Patchy Fog

    • 65
    • 74

    Partly Sunny

    • 65
    • 75

    Mostly Cloudy

    • 65
    • 74

    Partly Sunny

    • 65
    • 74

    Mostly Sunny

Today 17 Sep San Diego County Coastal Areas

Partly cloudy. Highs 71 to 75 near the coast to 75 to 78 inland. Light Winds becoming west 10 to 15 Mph this afternoon.

Tonight 17 Sep San Diego County Coastal Areas

Partly cloudy in the evening. Becoming cloudy. Lows 58 to 64. Areas of Winds northwest 10 Mph in the evening becoming light.

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Del Mar Beach Temperature Statistics

September Temperature

San Diego, Miramar MCAS/Mitscher Field Airport (9.3 miles)

  • Lowest 3 September, 2026

    57 °F

  • Average September

    75.6 °F

  • Highest 9 September, 2026

    104 °F

Climate (2021–2026)

San Diego, Miramar MCAS/Mitscher Field Airport (9.3 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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