El Cajon City Park Weather Forecast

    • 58
    • 94

    Mostly Sunny

    • 56
    • 93

    Partly Sunny

    • 52
    • 87

    Partly Sunny

    • 54
    • 88

    Mostly Sunny

    • 58
    • 93

    Sunny

    • 59
    • 95

    Sunny

Today 12 Mar San Diego County Inland Valleys

Sunny, warmer. Highs 90 to 93 in the western Valleys to 86 to 91 near the Foothills. Areas of Winds northeast 10 to 15 Mph with Gusts to 25 Mph becoming west this afternoon.

Tonight 12 Mar San Diego County Inland Valleys

Clear. Lows 54 to 62 in wind Sheltered Areas to 58 to 68 in warmer Locations. Areas of Winds east 10 Mph.

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El Cajon City Park Temperature Statistics

March Temperature

Gillespie Field Airport (1.9 miles)

  • Lowest 6 March, 2026

    41 °F

  • Average March

    57 °F

  • Highest 1 March, 2026

    87.8 °F

Climate (2021–Present)

Gillespie Field Airport (1.9 miles)

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  • Average Low 2021–2026

    53.3 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    76 °F
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