Cactus County Park Weather Forecast

    • 53
    • 85

    Mostly Sunny

    • 54
    • 83

    Mostly Sunny

    • 53
    • 81

    Mostly Cloudy

    • 52
    • 80

    Mostly Sunny

    • 53
    • 82

    Mostly Sunny

    • 53
    • 81

    Mostly Sunny

Today 11 Dec San Diego County Inland Valleys

Sunny. Highs 80 to 85. Areas of Winds east to 10 Mph becoming west 10 Mph this afternoon.

Tonight 11 Dec San Diego County Inland Valleys

Mostly clear. Lows 47 to 55 in wind Sheltered Areas to 51 to 58 in warmer Locations. Light Winds.

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Cactus County Park Temperature Statistics

December Temperature

Gillespie Field Airport (4.3 miles)

  • Lowest 5 December, 2025

    39.2 °F

  • Average December

    53.4 °F

  • Highest 9 December, 2025

    84.2 °F

Climate (2020–Present)

Gillespie Field Airport (4.3 miles)

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  • Average Low 2020–2025

    53 °F

  • Average 2020–2025

    60.1 °F

  • Average High 2020–2025

    75.8 °F
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