El Cajon City Park Weather Forecast

    • 59
    • 81

    Sunny

    • 65
    • 91

    Sunny

    • 68
    • 91

    Blowing Dust

    • 62
    • 89

    Mostly Sunny

    • 61
    • 88

    Sunny

    • 60
    • 85

    Mostly Sunny

    • 55
    • 75

    Partly Sunny

Today 14 Oct San Diego County Inland Valleys

Partly cloudy with a chance of Showers. Highs 70 to 73 in the western Valleys to 62 to 67 near the Foothills.

Tonight 14 Oct San Diego County Inland Valleys

Clear. Lows 55 to 60. Areas of Winds northeast 10 Mph.

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El Cajon City Park Temperature Statistics

October Temperature

Gillespie Field Airport (1.9 miles)

  • Lowest 12 October, 2026

    57.2 °F

  • Average October

    74.8 °F

  • Highest 3 October, 2026

    105.8 °F

Climate (2021–2026)

Gillespie Field Airport (1.9 miles)

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  • Average Low 2021–2026

    53.7 °F

  • Average 2021–2026

    60.7 °F

  • Average High 2021–2026

    76.5 °F
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