El Cajon City Park Weather Forecast

    • 57
    • 77

    Increasing Clouds

    • 61
    • 83

    Mostly Sunny

    • 61
    • 82

    Partly Sunny

    • 64
    • 83

    Partly Sunny

    • 65
    • 84

    Mostly Sunny

    • 64
    • 84

    Mostly Sunny

Today 8 Jun San Diego County Inland Valleys

Partly cloudy with patchy fog this morning. Becoming sunny. Highs 74 to 77 in the western Valleys to 76 to 81 near the Foothills. Areas of Winds southwest to 10 Mph. Becoming 10 to 15 Mph this afternoon.

Tonight 8 Jun San Diego County Inland Valleys

Partly cloudy. Patchy fog overnight. Lows 51 to 56. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

El Cajon City Park Temperature Statistics

June Temperature

Gillespie Field Airport (1.9 miles)

  • Lowest 1 June, 2026

    59 °F

  • Average June

    64.4 °F

  • Highest 3 June, 2026

    80.6 °F

Climate (2021–Present)

Gillespie Field Airport (1.9 miles)

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  • Average Low 2021–2026

    53.4 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    76.2 °F
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