San Clemente Island - Mosquito Cove Weather Forecast

    • 57
    • 66

    Rain Showers

    • 56
    • 66

    Rain Showers

    • 55
    • 66

    Chance Rain Showers

    • 55
    • 66

    Chance Rain Showers

    • 55
    • 66

    Slight Chance Rain Showers

    • 54
    • 65

    Chance Rain Showers

Today 31 Dec Catalina and Santa Barbara Islands

Rain likely in the Morning, then rain in the afternoon. Highs in the 60s to around 70. East Winds 15 to 25 Mph in the afternoon.

Tonight 31 Dec Catalina and Santa Barbara Islands

Rain in the Evening, then Showers with a slight chance of Thunderstorms after midnight. Lows in the mid 50s. Southeast Winds 20 to 30 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Clemente Island - Mosquito Cove Temperature Statistics

December Temperature

San Clemente Island NALF (14.9 miles)

  • Lowest 2 December, 2025

    50 °F

  • Average December

    62.1 °F

  • Highest 9 December, 2025

    70 °F

Climate (2020–Present)

San Clemente Island NALF (14.9 miles)

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

  • Average Low 2020–2025

    56.9 °F

  • Average 2020–2025

    61.4 °F

  • Average High 2020–2025

    66 °F
Get WillyWeather+ to remove ads