Bonita Long Canyon Park Weather Forecast

    • 62
    • 74

    Increasing Clouds

    • 63
    • 76

    Increasing Clouds

    • 64
    • 74

    Mostly Cloudy

    • 63
    • 73

    Partly Sunny

    • 64
    • 74

    Mostly Sunny

    • 66
    • 79

    Mostly Sunny

    • 68
    • 81

    Partly Sunny

Today 18 Sep San Diego County Coastal Areas

Partly cloudy. Highs 78 to 83 near the coast to 84 to 87 inland.

Tonight 18 Sep San Diego County Coastal Areas

Mostly clear this evening. Becoming partly cloudy. Lows 59 to 64. Areas of Winds northwest to 10 Mph this evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Bonita Long Canyon Park Temperature Statistics

September Temperature

San Diego, Brown Field Municipal Airport (5.6 miles)

  • Lowest 3 September, 2026

    56.6 °F

  • Average September

    76.9 °F

  • Highest 9 September, 2026

    100.7 °F

Climate (2021–2026)

San Diego, Brown Field Municipal Airport (5.6 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