Otay Mountain Weather Forecast

    • 54
    • 63

    Chance Rain Showers

    • 50
    • 60

    Partly Sunny

    • 53
    • 66

    Mostly Sunny

    • 55
    • 63

    Partly Sunny

    • 54
    • 60

    Mostly Cloudy

    • 52
    • 59

    Partly Sunny

Today 21 Apr San Diego County Inland Valleys

Mostly sunny. Highs 71 to 74 in the western Valleys to 67 to 72 near the Foothills. Areas of Winds southwest to 10 Mph becoming west with Gusts to 25 Mph this afternoon.

Tonight 21 Apr San Diego County Inland Valleys

Cloudy with a chance of Showers in the Evening, then partly cloudy overnight. Lows 47 to 52. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph in the evening. Chance of measurable precipitation 50 percent.

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Otay Mountain Temperature Statistics

April Temperature

San Diego, Brown Field Municipal Airport (8.7 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 (8.7 miles)

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  • Average Low 2021–2026

    54.3 °F

  • Average 2021–2026

    63.8 °F

  • Average High 2021–2026

    74.2 °F
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