Serra Mesa Weather Forecast

    • 58
    • 76

    Increasing Clouds

    • 58
    • 71

    Mostly Cloudy

    • 59
    • 73

    Partly Sunny

    • 59
    • 77

    Patchy Fog

    • 59
    • 75

    Mostly Cloudy

    • 57
    • 72

    Partly Sunny

    • 60
    • 74

    Mostly Sunny

Today 21 Oct San Diego County Coastal Areas

Patchy fog this morning. Partly cloudy. Local visibility one quarter mile or less at Times this morning. Highs 69 to 74 near the coast to 74 to 78 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 21 Oct San Diego County Coastal Areas

Partly cloudy. Patchy fog overnight. Lows 56 to 59. Areas of Winds west 10 Mph this evening becoming light.

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Serra Mesa Temperature Statistics

October Temperature

San Diego, Montgomery Field (0.6 miles)

  • Lowest 16 October, 2025

    51.1 °F

  • Average October

    65.6 °F

  • Highest 18 October, 2025

    84.9 °F

Climate (2020–Present)

San Diego, Montgomery Field (0.6 miles)

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  • Average Low 2020–2025

    55.8 °F

  • Average 2020–2025

    63.8 °F

  • Average High 2020–2025

    73 °F
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