Otay Mesa Weather Forecast

    • 66
    • 80

    Increasing Clouds

    • 63
    • 78

    Becoming Sunny

    • 63
    • 77

    Partly Sunny

    • 63
    • 77

    Partly Sunny

    • 62
    • 78

    Mostly Sunny

    • 63
    • 79

    Mostly Sunny

    • 64
    • 81

    Mostly Sunny

Today 13 Sep San Diego County Coastal Areas

Partly cloudy this morning. Becoming mostly sunny. Highs 76 to 80 near the coast to 81 to 85 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 13 Sep San Diego County Coastal Areas

Mostly clear this evening. Becoming mostly cloudy. Lows 62 to 67. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Otay Mesa Temperature Statistics

September Temperature

San Diego, Brown Field Municipal Airport (1.2 miles)

  • Lowest 3 September, 2026

    56.6 °F

  • Average September

    78.8 °F

  • Highest 9 September, 2026

    100.7 °F

Climate (2021–2026)

San Diego, Brown Field Municipal Airport (1.2 miles)

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

  • Average Low 2021–2026

    54.3 °F

  • Average 2021–2026

    64 °F

  • Average High 2021–2026

    74.4 °F
Get WillyWeather+ to remove ads