San Clemente Island - Mosquito Cove Weather Forecast

    • 53
    • 66

    Mostly Cloudy

    • 54
    • 63

    Mostly Cloudy

    • 53
    • 63

    Mostly Cloudy

    • 53
    • 63

    Partly Sunny

    • 53
    • 63

    Partly Sunny

    • 54
    • 65

    Partly Sunny

    • 54
    • 65

    Partly Sunny

Today 20 Jan Catalina and Santa Barbara Islands

Partly cloudy in the morning then Areas of low Clouds and fog. Highs in the mid 60s to around 70.

Tonight 20 Jan Catalina and Santa Barbara Islands

Low Clouds and fog. Lows in the mid 40s to mid 50s.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Clemente Island - Mosquito Cove Temperature Statistics

January Temperature

San Clemente Island NALF (14.9 miles)

  • Lowest 8 January, 2026

    57.9 °F

  • Average January

    63.4 °F

  • Highest 15 January, 2026

    70 °F

Climate (2021–Present)

San Clemente Island NALF (14.9 miles)

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

  • Average Low 2021–2026

    57 °F

  • Average 2021–2026

    61.4 °F

  • Average High 2021–2026

    66.1 °F
Get WillyWeather+ to remove ads