Otay Ranch Weather Forecast

    • 63
    • 81

    Becoming Sunny

    • 63
    • 80

    Mostly Sunny

    • 62
    • 80

    Mostly Sunny

    • 60
    • 79

    Mostly Sunny

    • 63
    • 80

    Mostly Sunny

    • 68
    • 82

    Partly Sunny

Today 31 Aug San Diego County Inland Valleys

Mostly sunny. Highs 85 to 90. Areas of Winds southwest to 10 Mph becoming west with Gusts to 25 Mph this afternoon.

Tonight 31 Aug San Diego County Inland Valleys

Mostly clear. Patchy fog overnight. Lows 59 to 64. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Real-Time

Otay Ranch Temperature Statistics

August Temperature

San Diego, Brown Field Municipal Airport (7.5 miles)

  • Lowest 23 August, 2026

    63.6 °F

  • Average August

    76 °F

  • Highest 23 August, 2026

    92.6 °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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