National City Weather Forecast

    • 67
    • 80

    Increasing Clouds

    • 67
    • 79

    Partly Sunny

    • 66
    • 78

    Mostly Sunny

    • 63
    • 78

    Partly Sunny

    • 66
    • 77

    Partly Sunny

    • 70
    • 79

    Mostly Cloudy

Today 31 Aug San Diego County Coastal Areas

Partly cloudy this morning. Becoming mostly sunny. Highs 76 to 80 near the coast to 81 to 85 inland. Areas of Winds west to 10 Mph.

Tonight 31 Aug San Diego County Coastal Areas

Mostly clear in the evening. Becoming partly cloudy. Lows 61 to 67. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Real-Time

National City Temperature Statistics

August Temperature

San Diego, San Diego International-Lindbergh Field (6.2 miles)

  • Lowest 5 August, 2026

    68.6 °F

  • Average August

    76.3 °F

  • Highest 26 August, 2026

    89.7 °F

Climate (2021–2026)

San Diego, San Diego International-Lindbergh Field (6.2 miles)

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  • Average Low 2021–2026

    58.1 °F

  • Average 2021–2026

    64.2 °F

  • Average High 2021–2026

    71.1 °F
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