Cardiff Weather Forecast

    • 50
    • 64

    Patchy Fog

    • 50
    • 65

    Patchy Fog

    • 52
    • 65

    Mostly Cloudy

    • 55
    • 65

    Rain Showers

    • 56
    • 64

    Rain Showers

    • 53
    • 64

    Rain Showers

Today 20 Dec San Diego County Coastal Areas

Mostly cloudy with patchy fog in the morning. Becoming partly cloudy. Highs 63 to 67 near the coast to 70 inland. Light Winds.

Tonight 20 Dec San Diego County Coastal Areas

Partly cloudy in the evening. Becoming mostly cloudy overnight with patchy fog. Lows 49 to 53. Light Winds.

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  • Temperature Forecast NOAA

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Cardiff Temperature Statistics

December Temperature

Carlsbad, McClellan-Palomar Airport (7.5 miles)

  • Lowest 2 December, 2025

    48 °F

  • Average December

    58.1 °F

  • Highest 9 December, 2025

    80.1 °F

Climate (2020–Present)

Carlsbad, McClellan-Palomar Airport (7.5 miles)

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  • Average Low 2020–2025

    56.6 °F

  • Average 2020–2025

    62.4 °F

  • Average High 2020–2025

    68.7 °F
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