San Dieguito County Park Weather Forecast

    • 56
    • 75

    Patchy Fog

    • 58
    • 72

    Mostly Cloudy

    • 57
    • 68

    Mostly Cloudy

    • 56
    • 69

    Partly Sunny

    • 57
    • 72

    Partly Sunny

    • 57
    • 71

    Mostly Cloudy

    • 58
    • 69

    Mostly Cloudy

Today 20 Oct San Diego County Coastal Areas

Mostly sunny. Highs 71 to 76 near the coast to 77 to 81 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 20 Oct San Diego County Coastal Areas

Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows 55 to 58. Light Winds.

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San Dieguito County Park Temperature Statistics

October Temperature

Carlsbad, McClellan-Palomar Airport (9.3 miles)

  • Lowest 16 October, 2025

    52 °F

  • Average October

    64.8 °F

  • Highest 18 October, 2025

    78.1 °F

Climate (2020–Present)

Carlsbad, McClellan-Palomar Airport (9.3 miles)

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  • Average Low 2020–2025

    56.5 °F

  • Average 2020–2025

    62.4 °F

  • Average High 2020–2025

    68.7 °F
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