Loma Portal Weather Forecast

    • 67
    • 78

    Increasing Clouds

    • 65
    • 77

    Increasing Clouds

    • 66
    • 74

    Mostly Cloudy

    • 64
    • 72

    Mostly Cloudy

    • 63
    • 71

    Mostly Cloudy

    • 63
    • 72

    Mostly Cloudy

    • 63
    • 73

    Partly Sunny

Today 7 Sep San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 76 to 81 near the coast to 83 to 88 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 7 Sep San Diego County Coastal Areas

Mostly clear this evening. Becoming partly cloudy. Lows 61 to 66. Light Winds.

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Loma Portal Temperature Statistics

September Temperature

San Diego, San Diego International-Lindbergh Field (1.9 miles)

  • Lowest 5 September, 2025

    66.9 °F

  • Average September

    72.3 °F

  • Highest 1 September, 2025

    79 °F

Climate (2020–Present)

San Diego, San Diego International-Lindbergh Field (1.9 miles)

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  • Average Low 2020–2025

    57.9 °F

  • Average 2020–2025

    63.9 °F

  • Average High 2020–2025

    70.9 °F
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