Lower Otay Lake Weather Forecast

    • 65
    • 87

    Decreasing Clouds

    • 66
    • 85

    Mostly Sunny

    • 66
    • 87

    Mostly Sunny

    • 68
    • 87

    Partly Sunny

    • 68
    • 89

    Mostly Sunny

    • 67
    • 90

    Mostly Sunny

    • 67
    • 91

    Mostly Sunny

Today 20 Jul San Diego County Inland Valleys

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 86 to 91. Areas of Winds west to 10 Mph becoming 10 to 15 Mph this afternoon.

Tonight 20 Jul San Diego County Inland Valleys

Mostly clear this evening. Becoming partly cloudy. Lows 63 to 67. Areas of Winds west to 10 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lower Otay Lake Temperature Statistics

July Temperature

San Diego, Brown Field Municipal Airport (5 miles)

  • Lowest 1 July, 2026

    59.6 °F

  • Average July

    71.6 °F

  • Highest 16 July, 2026

    86.6 °F

Climate (2021–2026)

San Diego, Brown Field Municipal Airport (5 miles)

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  • Average Low 2021–2026

    54.2 °F

  • Average 2021–2026

    63.8 °F

  • Average High 2021–2026

    74.2 °F
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