Lower Otay Lake Weather Forecast

    • 47
    • 73

    Mostly Sunny

    • 49
    • 71

    Mostly Sunny

    • 49
    • 71

    Sunny

    • 52
    • 74

    Sunny

    • 56
    • 79

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 55
    • 80

    Sunny

Today 4 Dec San Diego County Inland Valleys

Mostly sunny. Highs 70 to 73 in the western Valleys to 63 to 68 near the Foothills. Areas of Winds east 10 to 15 Mph with Gusts to 30 Mph.

Tonight 4 Dec San Diego County Inland Valleys

Mostly clear. Lows 41 to 47. Areas of Winds east 10 Mph this evening becoming light.

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Lower Otay Lake Temperature Statistics

December Temperature

San Diego, Brown Field Municipal Airport (5 miles)

  • Lowest 2 December, 2025

    44.1 °F

  • Average December

    56.2 °F

  • Highest 1 December, 2025

    66 °F

Climate (2020–Present)

San Diego, Brown Field Municipal Airport (5 miles)

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  • Average Low 2020–2025

    54 °F

  • Average 2020–2025

    63.4 °F

  • Average High 2020–2025

    73.8 °F
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