National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

EW9951 San Diego Shelter Island CA US (E9951)

Lat: 32.71497°NLon: 117.22566°WElev: 11.94ft.

NA

63°F

17°C

Humidity 87%
Wind Speed N 4 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 17 Mar 02:45 AM PDT
Extended Forecast for

North Island Nas CA

Heat Advisory March 17, 03:01am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 17, 03:01am until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Overnight

    Low: 59 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 81. Light and variable wind becoming northwest 5 to 10 mph in the morning.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, sunny, with a high near 81. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. South wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, sunny, with a high near 81.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 59. Northwest wind around 5 mph.
Tuesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 81. Light and variable wind becoming northwest 5 to 10 mph in the morning.
Tuesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Patchy fog before 11am. Otherwise, sunny, with a high near 81. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 58. South wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 11am. Otherwise, sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 81.
Friday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 60.
Saturday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 77.
Saturday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 59.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 74.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 58.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
North Island Nas CA
 32.69°N 117.2°W (Elev. 0 ft)
Last Update:
12:38 am PDT Mar 17, 2026
Forecast Valid:
3am PDT Mar 17, 2026-6pm PDT Mar 23, 2026
 
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