Serra Mesa Weather Forecast

    • 52
    • 71

    Increasing Clouds

    • 52
    • 72

    Partly Sunny

    • 54
    • 76

    Mostly Sunny

    • 54
    • 75

    Partly Sunny

    • 53
    • 70

    Patchy Fog

    • 53
    • 72

    Partly Sunny

    • 53
    • 71

    Mostly Cloudy

Today 16 Dec San Diego County Coastal Areas

Partly cloudy this morning. Becoming mostly sunny. Areas of fog this morning. Local visibility one quarter mile or less at Times this morning. Highs 66 to 70 near the coast to 71 to 74 inland. Light Winds becoming west to 10 Mph this afternoon.

Tonight 16 Dec San Diego County Coastal Areas

Partly cloudy. Patchy fog. Lows 49 to 53. Light Winds.

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Serra Mesa Temperature Statistics

December Temperature

San Diego, Montgomery Field (0.6 miles)

  • Lowest 5 December, 2025

    45 °F

  • Average December

    59.3 °F

  • Highest 9 December, 2025

    81 °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

    63.9 °F

  • Average High 2020–2025

    73 °F
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