Serra Mesa Weather Forecast

    • 41
    • 61

    Mostly Sunny

    • 45
    • 64

    Mostly Sunny

    • 49
    • 68

    Mostly Sunny

    • 50
    • 72

    Mostly Sunny

    • 50
    • 73

    Mostly Sunny

    • 52
    • 74

    Mostly Sunny

    • 55
    • 76

    Mostly Sunny

Today 8 Jan San Diego County Coastal Areas

Partly cloudy this morning. Becoming mostly sunny. Highs around 63. Areas of Winds northwest 10 to 20 Mph with Gusts to 30 Mph.

Tonight 8 Jan San Diego County Coastal Areas

Mostly clear. Colder. Lows 39 to 42. Areas of Winds northwest 10 to 15 Mph with Gusts to 35 Mph becoming northeast with Gusts to 30 Mph overnight.

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  • Temperature Real-Time

Serra Mesa Temperature Statistics

January Temperature

San Diego, Montgomery Field (0.6 miles)

  • Lowest 5 January, 2026

    53.1 °F

  • Average January

    60 °F

  • Highest 2 January, 2026

    66.9 °F

Climate (2021–Present)

San Diego, Montgomery Field (0.6 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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