El Cajon Weather Forecast

    • 53
    • 78

    Increasing Clouds

    • 50
    • 68

    Mostly Cloudy

    • 49
    • 72

    Patchy Fog

    • 51
    • 74

    Mostly Sunny

    • 54
    • 80

    Mostly Sunny

    • 54
    • 80

    Patchy Fog

Today 17 Oct San Diego County Inland Valleys

Partly cloudy in the morning. Becoming mostly sunny. Highs 74 to 79. Light Winds becoming southwest 15 Mph in the afternoon.

Tonight 17 Oct San Diego County Inland Valleys

Mostly clear in the evening. Becoming partly cloudy. Patchy fog overnight. Areas of drizzle overnight. Cooler. Lows 45 to 51. Light Winds.

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El Cajon Temperature Statistics

October Temperature

Gillespie Field Airport (1.9 miles)

  • Lowest 13 October, 2021

    44.6 °F
  • Average October

    64 °F
  • Highest 2 October, 2021

    96.8 °F

Climate (2010–Present)

Gillespie Field Airport (1.9 miles)

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  • Average Low 2010–Present

    54 °F
  • Average 2010–Present

    61.4 °F
  • Average High 2010–Present

    76.9 °F
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