San Ysidro, California Weather
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Weather Forecast for San Ysidro, California : San Diego County
Issued: 1:00 pm PDT Sep 15, 2025 Latitude: 32.5520013 Longitude: -117.0430813 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Cloudy on Tonight Morning Fog on Tuesday 30% chance of thunderstorms on Wednesday 40% chance of thunderstorms on Thursday 10% chance of thunderstorms on Friday Mostly Sunny on Saturday Partly Sunny on Sunday Partly Sunny on Monday
Low: 67°F High: 81°F High: 79°F High: 79°F High: 78°F High: 79°F High: 79°F High: 79°F
Low: 69°F Low: 69°F Low: 68°F Low: 68°F Low: 68°F Low: 68°F  
Cloudy Morning Fog Thunderstorms Thunderstorms Thunderstorms Mostly Sunny Partly Sunny Partly Sunny
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Current Conditions at
SAN DIEGO/BROWN - (KSDM)
68°
Clear
as of 10:53 PM PDST
Rel. Humidity: 82%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
IMPERIAL BEACH NAS - (KNRS)
66°
Mostly Clear
as of 10:53 PM PDST
Rel. Humidity: 93%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
3 MPH
220° Southwest
Cloud Level(s): Few at 1000ft
Current Conditions at
NORTH ISLAND NAS - (KNZY)
70°
Mostly Clear
as of 10:52 PM PDST
Rel. Humidity: 88%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
7 MPH
320° Northwest
Cloud Level(s): Few at 1200ft
Current Conditions at
SAN DIEGO INTL - (KSAN)
70°
Mostly Clear
as of 10:51 PM PDST
Rel. Humidity: 88%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
5 MPH
310° Northwest
Cloud Level(s): Few at 1000ft
Cloudy on Tonight Tonight... Partly cloudy, with a low around 67. Northwest wind around 5 mph becoming calm.
Morning Fog on Tuesday Tuesday... Patchy fog before 11am. Otherwise, mostly sunny, with a high near 81. Light north wind becoming west 5 to 10 mph in the morning.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 69. West wind around 5 mph becoming calm after midnight.
30% chance of thunderstorms Wednesday Wednesday... A chance of showers and thunderstorms after 11am. Partly sunny, with a high near 79. Northwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
50% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Northwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
40% chance of thunderstorms Thursday Thursday... A chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 40%.
20% chance of thunderstorms Thursday Night Thursday Night... A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 20%.
10% chance of thunderstorms Friday Friday... A slight chance of showers and thunderstorms before 11am. Mostly sunny, with a high near 78.
Patchy Fog on Friday Night Friday Night... Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 68.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 79.
Increasing Clouds on Saturday Night Saturday Night... Increasing clouds, with a low around 68.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 79.
Increasing Clouds on Sunday Night Sunday Night... Increasing clouds, with a low around 68.
Partly Sunny on Monday Monday... Partly sunny, with a high near 79.
Current Radar Image


Sun Almanac for San Ysidro, California
Sunrise: 06:33 AM
Sunset: 6:53 PM
Civil Sunrise:06:08 AM
Civil Sunset: 7:17 PM
Nautical Sunrise: 05:40 AM
Nautical Sunset: 7:46 PM
Astro Sunrise: 05:10 AM
Astro Sunset: 8:15 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.