National City Weather Forecast

    • 66
    • 79

    Partly Sunny

    • 67
    • 79

    Partly Sunny

    • 67
    • 79

    Partly Sunny

    • 69
    • 80

    Partly Sunny

    • 69
    • 80

    Partly Sunny

    • 70
    • 81

    Partly Sunny

Today 17 Jul San Diego County Coastal Areas

Partly cloudy. Highs 73 to 77 near the coast to 79 to 83 inland. Areas of Winds south 10 to 15 Mph.

Tonight 17 Jul San Diego County Coastal Areas

Partly cloudy in the evening. Becoming mostly cloudy. Lows 63 to 68. Areas of Winds southwest 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

National City Temperature Statistics

July Temperature

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

  • Lowest 1 July, 2026

    64.7 °F

  • Average July

    70.6 °F

  • Highest 14 July, 2026

    78.1 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    58 °F

  • Average 2021–2026

    64.1 °F

  • Average High 2021–2026

    71 °F
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