Otay Ranch Weather Forecast

    • 65
    • 82

    Partly Sunny

    • 66
    • 83

    Mostly Sunny

    • 67
    • 84

    Mostly Sunny

    • 67
    • 84

    Mostly Sunny

    • 67
    • 85

    Mostly Sunny

    • 67
    • 85

    Mostly Sunny

Today 17 Aug San Diego County Inland Valleys

Partly cloudy this morning. Becoming mostly sunny. Highs 84 to 88 in the western Valleys to 90 to 95 near the Foothills. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph this afternoon.

Tonight 17 Aug San Diego County Inland Valleys

Mostly clear in the evening. Becoming partly cloudy. Lows 63 to 68. Areas of Winds northwest to 10 Mph in the evening becoming light.

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Otay Ranch Temperature Statistics

August Temperature

San Diego, Brown Field Municipal Airport (7.5 miles)

  • Lowest 4 August, 2026

    64.7 °F

  • Average August

    74.6 °F

  • Highest 2 August, 2026

    84.7 °F

Climate (2021–2026)

San Diego, Brown Field Municipal Airport (7.5 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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