Serra Mesa Weather Forecast

    • 69
    • 84

    Increasing Clouds

    • 69
    • 83

    Partly Sunny

    • 69
    • 84

    Patchy Fog

    • 70
    • 84

    Partly Sunny

    • 70
    • 85

    Partly Sunny

    • 70
    • 84

    Partly Sunny

Today 19 Aug San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 76 to 81 near the coast to 83 to 88 inland. Areas of Winds west to 10 Mph.

Tonight 19 Aug San Diego County Coastal Areas

Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows 65 to 69. Light Winds.

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  • Temperature Real-Time

Serra Mesa Temperature Statistics

August Temperature

San Diego, Montgomery Field (0.6 miles)

  • Lowest 5 August, 2026

    67.6 °F

  • Average August

    75.9 °F

  • Highest 9 August, 2026

    86.6 °F

Climate (2021–2026)

San Diego, Montgomery Field (0.6 miles)

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  • Average Low 2021–2026

    56.2 °F

  • Average 2021–2026

    64.5 °F

  • Average High 2021–2026

    73.4 °F
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