Otay Ranch Weather Forecast

    • 51
    • 76

    Decreasing Clouds

    • 51
    • 73

    Mostly Sunny

    • 50
    • 73

    Mostly Sunny

    • 49
    • 71

    Partly Sunny

    • 49
    • 69

    Partly Sunny

    • 49
    • 64

    Mostly Cloudy

Today 18 Jan San Diego County Inland Valleys

Partly cloudy this morning. Becoming mostly sunny. Highs 76 to 81. Areas of Winds east 10 to 15 Mph with Gusts to 25 Mph becoming west this afternoon.

Tonight 18 Jan San Diego County Inland Valleys

Partly cloudy. Lows 44 to 53 in wind Sheltered Areas to 50 to 56 in warmer Locations. Light Winds.

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  • Temperature Real-Time

Otay Ranch Temperature Statistics

January Temperature

San Diego, Brown Field Municipal Airport (7.5 miles)

  • Lowest 10 January, 2026

    37 °F

  • Average January

    58.4 °F

  • Highest 15 January, 2026

    79 °F

Climate (2021–Present)

San Diego, Brown Field Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    54.1 °F

  • Average 2021–2026

    63.4 °F

  • Average High 2021–2026

    73.8 °F
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