SAN YSIDRO, CA 92143 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


SAN DIEGO/BROWN, CA
Current Weather

8:53 PM PDT MAR 29, 2026
Clear
61°F
Feels Like: 61°F
Dewpoint: 57°F
Rel. Hum.: 87%
Visibility: 7 miles
Wind: WSW at 5 mph
Pressure: 29.94 inches
Last 72 hours

Local Area Snow Depth

California Current Weather

California MOS Forecast Weather


Regional Weather Maps


(Automated weather data from NWS/FAA)
10-Day model forecast maps
2025 Hurricanes

SAN YSIDRO, CA 92143
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear this evening...becoming partly cloudy. Patchy fog overnight. Lows 53 to 58. Areas of winds west to 10 mph this evening becoming light.
MONDAY
Mostly cloudy with patchy fog in the morning...becoming partly cloudy. Highs 70 to 74 near the coast to 77 inland. Light winds becoming southwest 10 mph in the afternoon.
MONDAY NIGHT
Partly cloudy in the evening...becoming mostly cloudy. Lows 55 to 59. Light winds.
TUESDAY
Cloudy in the morning...becoming mostly cloudy. Highs 68 to 73 near the coast to 74 inland. Areas of winds south to 10 mph.
TUESDAY NIGHT
Cloudy. A slight chance of showers overnight. Lows 54 to 59. Areas of winds southwest 10 mph in the evening becoming light. Chance of measurable precipitation 20 percent.
WEDNESDAY
Cloudy with a slight chance of showers in the morning, then partly cloudy in the afternoon. Highs 67 to 72 near the coast to 71 to 74 inland.
WEDNESDAY NIGHT
Partly cloudy. Lows 52 to 57.
THURSDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 65 to 70 near the coast to 69 to 72 inland.
THURSDAY NIGHT
Partly cloudy. Lows 50 to 55.
FRIDAY
Partly cloudy. Highs 67 to 72 near the coast to 72 to 75 inland.
FRIDAY NIGHT
Partly cloudy in the evening...becoming mostly clear. Lows 49 to 53.
SATURDAY
Mostly sunny. Highs 71 to 76 near the coast to 78 inland.
SATURDAY NIGHT
Mostly clear. Lows 51 to 55.

Visible Weather Satellite
SAN YSIDRO, CA 92143
Infrared Weather Satellite
SAN YSIDRO, CA 92143
NEXRAD Weather Radar
SAN YSIDRO, CA 92143

SAN DIEGO/BROWN, CA 3 hourly weather forecast

weather forecast created  5:00 AM MST  3/29/2026
Sunday
29 MAR 2026
SAN YSIDRO, CA 92143 weather forecast Day 1, 12 hours 10 AM 78° 79° Partly Cloudy 1%

0% Thunder
( 1% severe)
WNW   6 39% 51°
High 81° SAN YSIDRO, CA 92143 weather forecast Day 1, 15 hours 1 PM 80° 80° Partly Cloudy W   10 41% 54°
Partly Cloudy



SAN YSIDRO, CA 92143 weather forecast Day 1, 18 hours 4 PM 77° 78° Clear 1%

0% Thunder
( 0% severe)
W   8 45% 54°
SAN YSIDRO, CA 92143 weather forecast Day 1, 21 hours 7 PM 67° 67° Partly Cloudy W   5 73% 58°
Monday
30 MAR 2026
SAN YSIDRO, CA 92143 weather forecast Day 2, 0 hours 10 PM 63° 64° Partly Cloudy 1%

0% Thunder
( 0% severe)
WSW   2 81% 57°
Low 58° SAN YSIDRO, CA 92143 weather forecast Day 2, 3 hours 1 AM 60° 61° Partly Cloudy SE   2 87% 56°
High 77° SAN YSIDRO, CA 92143 weather forecast Day 2, 6 hours 4 AM 58° 59° Partly Cloudy 0%

0% Thunder
( 0% severe)
ESE   2 83% 53°

Mostly Cloudy



SAN YSIDRO, CA 92143 weather forecast Day 2, 9 hours 7 AM 60° 61° Mostly Cloudy SSE   2 78% 53°
SAN YSIDRO, CA 92143 weather forecast Day 2, 12 hours 10 AM 73° 73° Mostly Cloudy 0%

0% Thunder
( 0% severe)
WSW   6 53% 55°
SAN YSIDRO, CA 92143 weather forecast Day 2, 15 hours 1 PM 75° 75° Partly Cloudy WSW   10 55% 58°
SAN YSIDRO, CA 92143 weather forecast Day 2, 18 hours 4 PM 71° 71° Mostly Cloudy 1%

0% Thunder
( 0% severe)
W   8 63% 58°
SAN YSIDRO, CA 92143 weather forecast Day 2, 21 hours 7 PM 65° 65° Mostly Cloudy WSW   3 81% 59°
Tuesday
31 MAR 2026
SAN YSIDRO, CA 92143 weather forecast Day 3, 0 hours 10 PM 62° 63° Mostly Cloudy 3%

0% Thunder
( 0% severe)
SW   2 90% 59°
Low 59° SAN YSIDRO, CA 92143 weather forecast Day 3, 3 hours 1 AM 61° 62° Mostly Cloudy SSE   2 90% 58°
High 73° SAN YSIDRO, CA 92143 weather forecast Day 3, 6 hours 4 AM 59° 60° Mostly Cloudy 2%

0% Thunder
( 0% severe)
SE   2 93% 57°

Mostly Cloudy



SAN YSIDRO, CA 92143 weather forecast Day 3, 9 hours 7 AM 60° 61° Mostly Cloudy SSE   2 90% 57°
SAN YSIDRO, CA 92143 weather forecast Day 3, 15 hours 10 AM 70° 70° Mostly Cloudy 2%

0% Thunder
( 0% severe)
SW   6 61% 56°
SAN YSIDRO, CA 92143 weather forecast Day 3, 18 hours 1 PM 71° 71° Mostly Cloudy WSW   10 63% 58°
SAN YSIDRO, CA 92143 weather forecast Day 3, 21 hours 4 PM 68° 68° Mostly Cloudy     WSW   9 70% 58°

SAN DIEGO/BROWN, CA extended weather forecast

Wednesday
1 APR 2026
Thursday
2 APR 2026
Friday
3 APR 2026
Saturday
4 APR 2026
Sunday
5 APR 2026
Low 52° Low 52° Low 53° Low 48° Low 48°
High 70° High 69° High 70° High 71° High 74°
SAN YSIDRO, CA 92143 weather forecast Day 4 SAN YSIDRO, CA 92143 weather forecast Day 5 SAN YSIDRO, CA 92143 weather forecast Day 6 SAN YSIDRO, CA 92143 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
6% Rain
Overcast
19% Rain
Overcast
21% Rain
Partly Cloudy
11% Rain
Clear
6% Rain
WEATHER SELECT BOX EXAMPLES:
for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:
San Ysidro, CA
San Ysidro, CA snow
San Ysidro, CA radar
CA map
-or-
-or-
-or-
 
92143
92143 snow
92143 radar
 
-or-
-or-
 
 
CA
CA snow
 
 
Copyright © 2024 WeatherStreet.com
Put our free WeatherStreet weather lookup on your web page.
Terms & Conditions