Lower Otay Lake Weather Forecast

    • 72
    • 93

    Mostly Sunny

    • 74
    • 93

    Mostly Sunny

    • 73
    • 93

    Chance Rain Showers

    • 70
    • 90

    Mostly Sunny

    • 66
    • 87

    Mostly Sunny

    • 64
    • 83

    Mostly Sunny

Today 7 Sep San Diego County Inland Valleys

Partly cloudy this morning. Becoming mostly sunny. Highs 91 to 96. Light Winds becoming west 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 7 Sep San Diego County Inland Valleys

Mostly clear in the evening. Becoming partly cloudy. Lows 68 to 73. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lower Otay Lake Temperature Statistics

September Temperature

San Diego, Brown Field Municipal Airport (5 miles)

  • Lowest 3 September, 2026

    56.6 °F

  • Average September

    71.4 °F

  • Highest 5 September, 2026

    89.1 °F

Climate (2021–2026)

San Diego, Brown Field Municipal Airport (5 miles)

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  • Average Low 2021–2026

    54.3 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    74.3 °F
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