SAN YSIDRO, CA 92143 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


SAN DIEGO/BROWN, CA
Current Weather

9:53 PM PST DEC 13, 2025
Fog
55°F
Feels Like: 55°F
Dewpoint: 55°F
Rel. Hum.: 100%
Visibility: 1/4 miles
Wind: Calm
Pressure: 30.05 inches
Last 72 hours

Local Area Snow Depth

California Current Weather

California MOS Forecast Weather


Weather Map


(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 cloudy. Patchy fog. Local visibility one quarter mile or less at times. Lows 50 to 54. Light winds.
SUNDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Local visibility one quarter mile or less at times in the morning. Highs 66 to 70 near the coast to 71 to 74 inland. Light winds becoming northwest 10 mph in the afternoon.
SUNDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows 48 to 53. Light winds.
MONDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 68 to 72 near the coast to 74 to 77 inland. Light winds becoming northwest 10 mph in the afternoon.
MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 51 to 54. Light winds.
TUESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 70 to 75 near the coast to 76 to 79 inland.
TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 52 to 56.
WEDNESDAY
Patchy fog in the morning. Partly cloudy. Highs 68 to 72 near the coast to 73 to 76 inland.
WEDNESDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows 52 to 55.
THURSDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 68 to 72 near the coast to 73 to 76 inland.
THURSDAY NIGHT
Partly cloudy in the evening...becoming mostly cloudy overnight with patchy fog. Lows 51 to 55.
FRIDAY
Patchy fog in the morning. Partly cloudy. Highs 67 to 71 near the coast to 71 to 75 inland.
FRIDAY NIGHT
Partly cloudy in the evening...becoming mostly cloudy overnight with patchy fog. Lows 50 to 54.

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 PM MST 12/13/2025
Sunday
14 DEC 2025
SAN YSIDRO, CA 92143 weather forecast Day 1, 0 hours 10 PM 56° 56° Mostly Cloudy 0%

0% Thunder
( 0% severe)
N   2 93% 54°
Low 51° SAN YSIDRO, CA 92143 weather forecast Day 1, 3 hours 1 AM 55° 55° Mostly Cloudy N   2 93% 53°
High 70° SAN YSIDRO, CA 92143 weather forecast Day 1, 6 hours 4 AM 53° 53° Mostly Cloudy 0%

0% Thunder
( 0% severe)
NE   2 90% 50°

Decreasing Clouds



SAN YSIDRO, CA 92143 weather forecast Day 1, 9 hours 7 AM 52° 52° Mostly Cloudy NNE   3 86% 48°
SAN YSIDRO, CA 92143 weather forecast Day 1, 12 hours 10 AM 63° 64° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   5 65% 51°
SAN YSIDRO, CA 92143 weather forecast Day 1, 15 hours 1 PM 68° 68° Clear WNW   8 65% 56°
SAN YSIDRO, CA 92143 weather forecast Day 1, 18 hours 4 PM 64° 64° Partly Cloudy 0%

0% Thunder
( 0% severe)
WNW   7 78% 57°
SAN YSIDRO, CA 92143 weather forecast Day 1, 21 hours 7 PM 58° 58° Partly Cloudy NW   3 93% 56°
Monday
15 DEC 2025
SAN YSIDRO, CA 92143 weather forecast Day 2, 0 hours 10 PM 56° 56° Partly Cloudy 0%

0% Thunder
( 0% severe)
N   3 90% 53°
Low 51° SAN YSIDRO, CA 92143 weather forecast Day 2, 3 hours 1 AM 54° 54° Partly Cloudy N   3 90% 51°
High 74° SAN YSIDRO, CA 92143 weather forecast Day 2, 6 hours 4 AM 52° 52° Partly Cloudy 0%

0% Thunder
( 0% severe)
N   3 86% 48°

Partly Cloudy



SAN YSIDRO, CA 92143 weather forecast Day 2, 9 hours 7 AM 51° 50° Partly Cloudy ENE   3 80% 45°
SAN YSIDRO, CA 92143 weather forecast Day 2, 12 hours 10 AM 67° 67° Clear 0%

0% Thunder
( 0% severe)
NNW   3 47% 46°
SAN YSIDRO, CA 92143 weather forecast Day 2, 15 hours 1 PM 71° 71° Clear WNW   8 47% 50°
SAN YSIDRO, CA 92143 weather forecast Day 2, 18 hours 4 PM 68° 68° Clear 0%

0% Thunder
( 0% severe)
WNW   7 59% 53°
SAN YSIDRO, CA 92143 weather forecast Day 2, 21 hours 7 PM 60° 60° Clear NNE   5 75% 52°

SAN DIEGO/BROWN, CA extended weather forecast

Tuesday
16 DEC 2025
Wednesday
17 DEC 2025
Thursday
18 DEC 2025
Friday
19 DEC 2025
Saturday
20 DEC 2025
Low 49° Low 51° Low 50° Low 50° Low 50°
High 81° High 77° High 75° High 74° High 70°
SAN YSIDRO, CA 92143 weather forecast Day 3 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
Clear
1% Rain
Partly Cloudy
3% Rain
Partly Cloudy
5% Rain
Partly Cloudy
7% Rain
Overcast
11% Rain
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