El Cajon City Park Weather Forecast

    • 67
    • 97

    Hot

    • 66
    • 93

    Partly Sunny

    • 65
    • 84

    Rain Showers Likely

    • 59
    • 77

    Rain Showers

    • 55
    • 71

    Chance Rain Showers

    • 54
    • 73

    Slight Chance Rain Showers

    • 57
    • 76

    Mostly Sunny

Today 8 Oct San Diego County Inland Valleys

Mostly sunny. Highs 79 to 82 in the western Valleys to 75 to 80 near the Foothills.

Tonight 8 Oct San Diego County Inland Valleys

Mostly clear. Lows 64 to 68. Areas of Winds northwest to 10 Mph this evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

El Cajon City Park Temperature Statistics

October Temperature

Gillespie Field Airport (1.9 miles)

  • Lowest 1 October, 2026

    60.8 °F

  • Average October

    78.6 °F

  • Highest 3 October, 2026

    105.8 °F

Climate (2021–2026)

Gillespie Field Airport (1.9 miles)

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

  • Average Low 2021–2026

    53.6 °F

  • Average 2021–2026

    60.7 °F

  • Average High 2021–2026

    76.4 °F
Get WillyWeather+ to remove ads