El Cajon City Park Weather Forecast

    • 38
    • 58

    Decreasing Clouds

    • 46
    • 70

    Partly Sunny

    • 48
    • 75

    Mostly Sunny

    • 51
    • 80

    Mostly Cloudy

    • 52
    • 79

    Partly Sunny

    • 53
    • 78

    Partly Sunny

Today 20 Feb San Diego County Inland Valleys

Partly cloudy. Highs around 58 in the western Valleys to 49 to 54 near the Foothills. Areas of Winds west to 10 Mph.

Tonight 20 Feb San Diego County Inland Valleys

Mostly clear. Lows 33 to 40 in wind Sheltered Areas to 37 to 42 in warmer Locations. Light Winds becoming northeast 10 Mph overnight.

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El Cajon City Park Temperature Statistics

February Temperature

Gillespie Field Airport (1.9 miles)

  • Lowest 1 February, 2026

    42.8 °F

  • Average February

    56 °F

  • Highest 4 February, 2026

    87.8 °F

Climate (2021–Present)

Gillespie Field Airport (1.9 miles)

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  • Average Low 2021–2026

    53.2 °F

  • Average 2021–2026

    60.3 °F

  • Average High 2021–2026

    75.9 °F
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