Otay Mountain Weather Forecast

    • 55
    • 77

    Sunny

    • 58
    • 78

    Sunny

    • 57
    • 74

    Mostly Sunny

    • 55
    • 64

    Partly Sunny

    • 56
    • 69

    Mostly Sunny

    • 57
    • 73

    Partly Sunny

Today 19 Oct San Diego County Inland Valleys

Mostly sunny. Highs 82 to 87. Areas of Winds east to 10 Mph becoming west with Gusts to 25 Mph this afternoon.

Tonight 19 Oct San Diego County Inland Valleys

Mostly clear. Lows 50 to 55. Areas of Winds west to 10 Mph becoming northeast overnight.

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Otay Mountain Temperature Statistics

October Temperature

San Diego, Brown Field Municipal Airport (8.7 miles)

  • Lowest 16 October, 2025

    48.9 °F

  • Average October

    64.5 °F

  • Highest 17 October, 2025

    82 °F

Climate (2020–Present)

San Diego, Brown Field Municipal Airport (8.7 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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