Upper Otay Lake Weather Forecast

    • 54
    • 67

    Rain Showers

    • 51
    • 65

    Rain Showers Likely

    • 49
    • 69

    Partly Sunny

    • 53
    • 72

    Partly Sunny

    • 54
    • 72

    Partly Sunny

    • 54
    • 73

    Mostly Sunny

Today 25 Apr San Diego County Inland Valleys

Mostly cloudy in the morning. Becoming partly cloudy. A slight chance of Showers. Highs 66 to 69 in the western Valleys to 61 to 66 near the Foothills. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph in the afternoon. Chance of measurable precipitation 20 percent.

Tonight 25 Apr San Diego County Inland Valleys

Showers. Lows 46 to 53. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Otay Lake Temperature Statistics

April Temperature

San Diego, Brown Field Municipal Airport (6.2 miles)

  • Lowest 14 April, 2026

    46.7 °F

  • Average April

    63.4 °F

  • Highest 4 April, 2026

    87.7 °F

Climate (2021–Present)

San Diego, Brown Field Municipal Airport (6.2 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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