El Cajon City Park Weather Forecast

    • 65
    • 83

    Increasing Clouds

    • 65
    • 85

    Partly Sunny

    • 64
    • 82

    Patchy Fog

    • 62
    • 82

    Mostly Sunny

    • 60
    • 79

    Mostly Sunny

    • 59
    • 78

    Mostly Sunny

Today 14 Jun San Diego County Inland Valleys

Patchy fog this morning. Mostly sunny. Highs 79 to 84 in the western Valleys to 84 to 89 near the Foothills. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 14 Jun San Diego County Inland Valleys

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 58 to 64. Areas of Winds west 10 to 15 Mph in the evening becoming light.

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El Cajon City Park Temperature Statistics

June Temperature

Gillespie Field Airport (1.9 miles)

  • Lowest 9 June, 2026

    55.4 °F

  • Average June

    66.1 °F

  • Highest 12 June, 2026

    93.2 °F

Climate (2021–Present)

Gillespie Field Airport (1.9 miles)

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  • Average Low 2021–2026

    53.5 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    76.2 °F
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