Carlsbad Weather Forecast

    • 66
    • 75

    Mostly Cloudy

    • 64
    • 74

    Mostly Cloudy

    • 65
    • 75

    Mostly Cloudy

    • 66
    • 78

    Partly Sunny

    • 68
    • 81

    Partly Sunny

    • 69
    • 82

    Partly Sunny

Today 20 Sep San Diego County Coastal Areas

Mostly cloudy in the morning. Becoming partly cloudy. Highs 73 to 77. Light Winds becoming southwest 10 Mph in the afternoon.

Tonight 20 Sep San Diego County Coastal Areas

Mostly cloudy. Lows 62 to 66. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Carlsbad Temperature Statistics

September Temperature

Oceanside, Oceanside Municipal Airport (3.7 miles)

  • Lowest 3 September, 2026

    56.6 °F

  • Average September

    74.7 °F

  • Highest 7 September, 2026

    100.7 °F

Climate (2021–2026)

Oceanside, Oceanside Municipal Airport (3.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    53 °F

  • Average 2021–2026

    62.8 °F

  • Average High 2021–2026

    72.3 °F
Get WillyWeather+ to remove ads