Otay Mesa Weather Forecast

    • 57
    • 79

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

    • 57
    • 72

    Patchy Fog

    • 56
    • 68

    Patchy Fog

    • 58
    • 71

    Partly Sunny

Today 18 Oct San Diego County Coastal Areas

Mostly sunny. Highs 72 to 77 near the coast to 79 to 83 inland. Light Winds becoming west 10 Mph in the afternoon.

Tonight 18 Oct San Diego County Coastal Areas

Partly cloudy. Patchy fog overnight. Lows 56 to 59. Light Winds.

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Otay Mesa Temperature Statistics

October Temperature

San Diego, Brown Field Municipal Airport (1.2 miles)

  • Lowest 4 October, 2025

    53.1 °F

  • Average October

    64.8 °F

  • Highest 1 October, 2025

    77 °F

Climate (2020–Present)

San Diego, Brown Field Municipal Airport (1.2 miles)

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  • Average Low 2020–2025

    54 °F

  • Average 2020–2025

    63.4 °F

  • Average High 2020–2025

    73.8 °F
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