El Cajon City Park Weather Forecast

    • 60
    • 76

    Increasing Clouds

    • 58
    • 75

    Partly Sunny

    • 57
    • 77

    Partly Sunny

    • 59
    • 79

    Mostly Cloudy

    • 60
    • 81

    Mostly Cloudy

    • 62
    • 82

    Mostly Cloudy

    • 62
    • 82

    Mostly Sunny

Today 29 Jun San Diego County Inland Valleys

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 72 to 77. Areas of Winds southwest to 10 Mph. Becoming 10 to 15 Mph this afternoon.

Tonight 29 Jun San Diego County Inland Valleys

Partly cloudy this Evening, then cloudy with patchy fog and drizzle overnight. Lows 49 to 59. Areas of Winds southwest 10 Mph this 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 9 June, 2026

    55.4 °F

  • Average June

    66.6 °F

  • Highest 12 June, 2026

    93.2 °F

Climate (2021–2026)

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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