Steele Canyon County Park Weather Forecast

    • 69
    • 89

    Increasing Clouds

    • 70
    • 88

    Mostly Cloudy

    • 69
    • 91

    Partly Sunny

    • 69
    • 92

    Mostly Sunny

    • 69
    • 92

    Mostly Sunny

    • 67
    • 90

    Mostly Sunny

    • 65
    • 87

    Mostly Sunny

Today 5 Sep San Diego County Inland Valleys

Mostly sunny this Morning, then partly cloudy with a slight chance of Showers this afternoon. Highs 86 to 91. Areas of Winds southwest to 10 Mph. Chance of measurable precipitation 20 percent.

Tonight 5 Sep San Diego County Inland Valleys

Partly cloudy this Evening, then mostly cloudy with a slight chance of Showers overnight. Lows 66 to 72. Light Winds. Chance of measurable precipitation 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Steele Canyon County Park Temperature Statistics

September Temperature

Gillespie Field Airport (6.8 miles)

  • Lowest 3 September, 2026

    57.2 °F

  • Average September

    68.1 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Gillespie Field Airport (6.8 miles)

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

  • Average Low 2021–2026

    53.5 °F

  • Average 2021–2026

    60.6 °F

  • Average High 2021–2026

    76.3 °F
Get WillyWeather+ to remove ads