Serra Mesa Weather Forecast

    • 65
    • 76

    Increasing Clouds

    • 63
    • 76

    Partly Sunny

    • 63
    • 76

    Mostly Sunny

    • 64
    • 78

    Mostly Sunny

    • 64
    • 78

    Partly Sunny

    • 64
    • 77

    Partly Sunny

    • 65
    • 77

    Partly Sunny

Today 16 Sep San Diego County Coastal Areas

Partly cloudy. Highs 75 to 79 near the coast to 79 to 82 inland.

Tonight 16 Sep San Diego County Coastal Areas

Partly cloudy this evening. Becoming mostly cloudy. Lows 59 to 66. Areas of Winds southwest to 10 Mph this evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Serra Mesa Temperature Statistics

September Temperature

San Diego, Montgomery Field (0.6 miles)

  • Lowest 3 September, 2026

    59.6 °F

  • Average September

    78.6 °F

  • Highest 9 September, 2026

    103.6 °F

Climate (2021–2026)

San Diego, Montgomery Field (0.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    56.3 °F

  • Average 2021–2026

    64.6 °F

  • Average High 2021–2026

    73.5 °F
Get WillyWeather+ to remove ads