El Cajon City Park Weather Forecast

    • 59
    • 96

    Mostly Sunny

    • 55
    • 91

    Partly Sunny

    • 55
    • 88

    Partly Sunny

    • 56
    • 86

    Mostly Sunny

    • 57
    • 88

    Sunny

    • 57
    • 90

    Mostly Sunny

Today 20 Mar San Diego County Inland Valleys

Mostly sunny. Highs 93 to 98. Areas of Winds west to 10 Mph.

Tonight 20 Mar San Diego County Inland Valleys

Mostly clear. Lows 56 to 63 in wind Sheltered Areas to 59 to 68 in warmer Locations. Areas of Winds west to 10 Mph in the evening becoming light.

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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

    59.4 °F

  • Highest 12 March, 2026

    93.2 °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

    76.1 °F
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