Otay Ranch Weather Forecast

    • 65
    • 80

    Partly Sunny

    • 68
    • 84

    Partly Sunny

    • 71
    • 90

    Mostly Sunny

    • 68
    • 86

    Chance Rain Showers

    • 67
    • 82

    Slight Chance Rain Showers

    • 66
    • 82

    Slight Chance Rain Showers

Today 13 Jul San Diego County Inland Valleys

Partly cloudy. A slight chance of Showers and Thunderstorms in the afternoon. Highs 81 to 86 in the western Valleys to 86 to 91 near the Foothills. Light Winds becoming west 10 Mph in the afternoon. Chance of measurable precipitation 20 percent.

Tonight 13 Jul San Diego County Inland Valleys

Partly cloudy. Lows 63 to 68. Areas of Winds west to 10 Mph in the evening becoming light.

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Otay Ranch Temperature Statistics

July Temperature

San Diego, Brown Field Municipal Airport (7.5 miles)

  • Lowest 1 July, 2026

    59.6 °F

  • Average July

    69.5 °F

  • Highest 4 July, 2026

    81.6 °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

    63.8 °F

  • Average High 2021–2026

    74.2 °F
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