Otay Ranch Weather Forecast

    • 50
    • 74

    Mostly Sunny

    • 51
    • 69

    Partly Sunny

    • 51
    • 70

    Partly Sunny

    • 50
    • 69

    Mostly Sunny

    • 55
    • 67

    Rain Showers Likely

    • 54
    • 63

    Rain Showers Likely

Today 19 Dec San Diego County Inland Valleys

Mostly sunny. Highs 75 to 80. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 19 Dec San Diego County Inland Valleys

Partly cloudy. Patchy fog overnight. Lows 42 to 51 in wind Sheltered Areas to 49 to 54 in warmer Locations. Light Winds.

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  • Temperature Real-Time

Otay Ranch Temperature Statistics

December Temperature

San Diego, Brown Field Municipal Airport (7.5 miles)

  • Lowest 5 December, 2025

    43 °F
  • Average December

    58.9 °F
  • Highest 10 December, 2025

    86 °F

Climate (2020–Present)

San Diego, Brown Field Municipal Airport (7.5 miles)

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  • Average Low 2020–2025

    54.1 °F
  • Average 2020–2025

    63.4 °F
  • Average High 2020–2025

    73.8 °F
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