Cottonwood Creek Park Weather Forecast

    • 69
    • 74

    Chance Rain Showers

    • 69
    • 72

    Slight Chance Thunderstorms

    • 68
    • 72

    Patchy Fog

    • 69
    • 72

    Patchy Fog

    • 69
    • 74

    Partly Sunny

    • 68
    • 73

    Partly Sunny

Today 18 Sep San Diego County Coastal Areas

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Highs 76 to 81 near the coast to 81 to 86 inland. Areas of Winds south to 10 Mph. Chance of measurable precipitation 50 percent.

Tonight 18 Sep San Diego County Coastal Areas

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows 65 to 69. Light Winds. Chance of measurable precipitation 20 percent.

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Cottonwood Creek Park Temperature Statistics

September Temperature

Carlsbad, McClellan-Palomar Airport (5 miles)

  • Lowest 6 September, 2025

    64 °F

  • Average September

    69.8 °F

  • Highest 7 September, 2025

    79 °F

Climate (2020–Present)

Carlsbad, McClellan-Palomar Airport (5 miles)

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  • Average Low 2020–2025

    56.6 °F

  • Average 2020–2025

    62.5 °F

  • Average High 2020–2025

    68.9 °F
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