Upper Hermosa Weather Forecast

    • 65
    • 72

    Rain Showers

    • 64
    • 68

    Rain Showers

    • 63
    • 68

    Partly Sunny

    • 65
    • 71

    Mostly Sunny

    • 66
    • 74

    Partly Sunny

    • 66
    • 75

    Partly Sunny

Today 21 Oct San Diego County Coastal Areas

Mostly sunny this Morning, then partly cloudy with a slight chance of Showers this afternoon. Highs 75 to 79. Areas of Winds south 10 to 15 Mph. Chance of measurable precipitation 20 percent.

Tonight 21 Oct San Diego County Coastal Areas

Showers likely and a slight chance of Thunderstorms in the Evening, then Showers overnight. Locally heavy rainfall possible overnight. Lows 60 to 64. Areas of Winds south 10 Mph in the evening becoming light.

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Upper Hermosa Temperature Statistics

October Temperature

San Diego, Montgomery Field (7.5 miles)

  • Lowest 14 October, 2026

    53.7 °F

  • Average October

    77.6 °F

  • Highest 3 October, 2026

    103.6 °F

Climate (2021–2026)

San Diego, Montgomery Field (7.5 miles)

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  • Average Low 2021–2026

    56.4 °F

  • Average 2021–2026

    64.7 °F

  • Average High 2021–2026

    73.7 °F
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