South Carlsbad State Beach Weather Forecast

    • 53
    • 70

    Mostly Sunny

    • 52
    • 67

    Partly Sunny

    • 52
    • 65

    Mostly Cloudy

    • 52
    • 67

    Mostly Cloudy

    • 52
    • 66

    Mostly Cloudy

    • 55
    • 65

    Rain Likely

    • 55
    • 64

    Rain Likely

Today 18 Dec San Diego County Coastal Areas

Mostly sunny. Warmer. Highs 69 to 74 near the coast to 76 to 81 inland. Areas of Winds northeast to 10 Mph becoming west 10 Mph this afternoon.

Tonight 18 Dec San Diego County Coastal Areas

Partly cloudy. Patchy fog overnight. Local visibility one quarter mile or less at Times overnight. Lows 51 to 55. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Carlsbad State Beach Temperature Statistics

December Temperature

Carlsbad, McClellan-Palomar Airport (2.5 miles)

  • Lowest 2 December, 2025

    48 °F

  • Average December

    58.3 °F

  • Highest 9 December, 2025

    80.1 °F

Climate (2020–Present)

Carlsbad, McClellan-Palomar Airport (2.5 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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