Upper Hermosa Weather Forecast

    • 56
    • 67

    Partly Sunny

    • 56
    • 67

    Partly Sunny

    • 55
    • 64

    Partly Sunny

    • 55
    • 65

    Partly Sunny

    • 56
    • 64

    Mostly Cloudy

    • 56
    • 63

    Mostly Cloudy

    • 57
    • 62

    Partly Sunny

Today 17 Jan San Diego County Coastal Areas

Mostly sunny. Highs 72 to 77 near the coast to 81 inland. Light Winds.

Tonight 17 Jan San Diego County Coastal Areas

Partly cloudy. Lows 50 to 54. Areas of Winds east to 10 Mph.

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Upper Hermosa Temperature Statistics

January Temperature

San Diego, Montgomery Field (7.5 miles)

  • Lowest 10 January, 2026

    39.9 °F

  • Average January

    58.5 °F

  • Highest 15 January, 2026

    80.1 °F

Climate (2021–Present)

San Diego, Montgomery Field (7.5 miles)

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  • Average Low 2021–2026

    55.9 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    73 °F
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