Otay Mesa Weather Forecast

    • 66
    • 81

    Increasing Clouds

    • 68
    • 84

    Decreasing Clouds

    • 68
    • 87

    Partly Sunny

    • 68
    • 85

    Partly Sunny

    • 67
    • 82

    Mostly Sunny

    • 67
    • 81

    Partly Sunny

    • 68
    • 82

    Partly Sunny

Today 30 Jul San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 75 to 79 near the coast to 80 to 85 inland. Areas of Winds west to 10 Mph.

Tonight 30 Jul San Diego County Coastal Areas

Partly cloudy this evening. Becoming mostly cloudy. Lows 62 to 67. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Otay Mesa Temperature Statistics

July Temperature

San Diego, Brown Field Municipal Airport (1.2 miles)

  • Lowest 1 July, 2026

    59.6 °F

  • Average July

    73.2 °F

  • Highest 20 July, 2026

    91.7 °F

Climate (2021–2026)

San Diego, Brown Field Municipal Airport (1.2 miles)

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  • Average Low 2021–2026

    54.3 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    74.3 °F
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