San Clemente Island - Northwest Harbor Weather Forecast
- 54
- 59
Mostly Cloudy
- 56
- 60
Mostly Cloudy
- 55
- 62
Partly Sunny
- 54
- 60
Patchy Fog
- 54
- 60
Patchy Fog
- 54
- 59
Patchy Fog
- 55
- 60
Mostly Cloudy
Today 19 Apr Catalina and Santa Barbara Islands
Low Clouds and fog. Highs in the upper 50s to mid 60s.
Tonight 19 Apr Catalina and Santa Barbara Islands
Low Clouds and fog near the coast early Spreading inland. Lows in the upper 40s to mid 50s.
San Clemente Island - Northwest Harbor Temperature Statistics
April Temperature
San Clemente Island NALF (0.6 miles)
Lowest 8 April, 2024
51.1 °FAverage April
60.1 °FHighest 9 April, 2024
73 °F
Climate (2019–Present)
San Clemente Island NALF (0.6 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
56.5 °FAverage 2019–2024
61 °FAverage High 2019–2024
66 °F