Otay Ranch Weather Forecast

    • 55
    • 75

    Increasing Clouds

    • 53
    • 73

    Partly Sunny

    • 54
    • 72

    Partly Sunny

    • 55
    • 72

    Mostly Sunny

    • 55
    • 72

    Partly Sunny

    • 54
    • 71

    Partly Sunny

    • 54
    • 71

    Mostly Sunny

Today 31 May San Diego County Inland Valleys

Partly cloudy in the morning. Becoming sunny. Highs 79 to 84. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph in the afternoon.

Tonight 31 May San Diego County Inland Valleys

Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows 54 to 57. Areas of Winds west to 10 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Otay Ranch Temperature Statistics

May Temperature

San Diego, Brown Field Municipal Airport (7.5 miles)

  • Lowest 19 May, 2026

    50.6 °F

  • Average May

    64.2 °F

  • Highest 20 May, 2026

    79.6 °F

Climate (2021–Present)

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

    74.3 °F
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