Serra Mesa Weather Forecast

    • 56
    • 70

    Mostly Cloudy

    • 56
    • 72

    Partly Sunny

    • 56
    • 72

    Partly Sunny

    • 57
    • 72

    Partly Sunny

    • 57
    • 71

    Partly Sunny

    • 58
    • 75

    Partly Sunny

Today 13 May San Diego County Coastal Areas

Mostly cloudy with patchy drizzle this Morning, then mostly sunny this afternoon. Highs 69 to 73. Areas of Winds southwest to 10 Mph becoming west this afternoon.

Tonight 13 May San Diego County Coastal Areas

Partly cloudy in the evening. Becoming mostly cloudy. Lows 52 to 57. Areas of Winds west 10 Mph in the evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Serra Mesa Temperature Statistics

May Temperature

San Diego, Montgomery Field (0.6 miles)

  • Lowest 6 May, 2026

    53.7 °F

  • Average May

    64.5 °F

  • Highest 11 May, 2026

    75 °F

Climate (2021–Present)

San Diego, Montgomery Field (0.6 miles)

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

  • Average Low 2021–2026

    56.1 °F

  • Average 2021–2026

    64.3 °F

  • Average High 2021–2026

    73.4 °F
Get WillyWeather+ to remove ads