SAN YSIDRO, CA 92143 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


SAN DIEGO/BROWN, CA
Current Weather

6:53 AM PDT APR 27, 2026
Overcast
Light Rain
55°F
Feels Like: 55°F
Dewpoint: 48°F
Rel. Hum.: 77%
Visibility: 6 miles
Wind:
Pressure: 29.99 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
TODAY
Partly cloudy with a slight chance of showers this morning, then mostly sunny this afternoon. Highs around 66. Areas of winds west 10 to 15 mph. Gusts to 25 mph this afternoon. Chance of measurable precipitation 20 percent.
TONIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 46 to 53. Areas of winds northwest 10 to 15 mph with gusts to 25 mph in the evening becoming light.
TUESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 65 to 69 near the coast to 69 to 72 inland. Areas of winds north to 10 mph becoming west with gusts to 25 mph in the afternoon.
TUESDAY NIGHT
Partly cloudy. Lows 48 to 54. Areas of winds northwest 10 to 15 mph in the evening becoming light.
WEDNESDAY
Partly cloudy. Highs 66 to 70 near the coast to 71 inland. Areas of winds northwest to 10 mph becoming west in the afternoon.
WEDNESDAY NIGHT
Partly cloudy. A slight chance of showers overnight. Lows 52 to 56.
THURSDAY
Partly cloudy. Highs 66 to 69 near the coast to 70 inland.
THURSDAY NIGHT
Partly cloudy. Lows 51 to 56.
FRIDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 68 to 72 near the coast to 73 to 76 inland.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 52 to 57.
SATURDAY
Partly cloudy. Highs 69 to 73 near the coast to 75 to 78 inland.
SATURDAY NIGHT
Partly cloudy. Lows 52 to 57.
SUNDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 67 to 71 near the coast to 71 to 74 inland.

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  6:00 PM MDT  4/26/2026
Monday
27 APR 2026
SAN YSIDRO, CA 92143 weather forecast Day 1, 0 hours 11 PM 58° 57° Partly Cloudy 29%
RAIN
.25–.5 in
0% Thunder
( 5% severe)
W   6 75% 50°
Low 54° SAN YSIDRO, CA 92143 weather forecast Day 1, 3 hours 2 AM 56° 56° Partly Cloudy W   3 80% 50°
High 66° SAN YSIDRO, CA 92143 weather forecast Day 1, 6 hours 5 AM 55° 55° Mostly Cloudy 33%
RAIN
.1–.25 in
0% Thunder
( 3% severe)
NNW   3 80% 49°

Partly Cloudy

Chance of Rain

SAN YSIDRO, CA 92143 weather forecast Day 1, 9 hours 8 AM 57° 57° Partly Cloudy WNW   3 77% 50°
SAN YSIDRO, CA 92143 weather forecast Day 1, 12 hours 11 AM 63° 63° Partly Cloudy 6%

0% Thunder
( 0% severe)
W   8 56% 47°
SAN YSIDRO, CA 92143 weather forecast Day 1, 15 hours 2 PM 65° 65° Partly Cloudy W   13 54% 48°
SAN YSIDRO, CA 92143 weather forecast Day 1, 18 hours 5 PM 64° 63° Partly Cloudy 1%

0% Thunder
( 0% severe)
W   13 56% 48°
SAN YSIDRO, CA 92143 weather forecast Day 1, 21 hours 8 PM 59° 57° Clear WNW   9 67% 48°
Tuesday
28 APR 2026
SAN YSIDRO, CA 92143 weather forecast Day 2, 0 hours 11 PM 57° 56° Partly Cloudy 2%

0% Thunder
( 1% severe)
N   6 75% 49°
Low 51° SAN YSIDRO, CA 92143 weather forecast Day 2, 3 hours 2 AM 54° 54° Partly Cloudy NNE   3 80% 48°
High 69° SAN YSIDRO, CA 92143 weather forecast Day 2, 6 hours 5 AM 52° 52° Partly Cloudy 2%

0% Thunder
( 0% severe)
ENE   3 80% 46°

Partly Cloudy



SAN YSIDRO, CA 92143 weather forecast Day 2, 9 hours 8 AM 56° 56° Partly Cloudy NNE   3 72% 47°
SAN YSIDRO, CA 92143 weather forecast Day 2, 12 hours 11 AM 66° 66° Partly Cloudy 1%

0% Thunder
( 0% severe)
NW   8 52% 48°
SAN YSIDRO, CA 92143 weather forecast Day 2, 15 hours 2 PM 68° 68° Partly Cloudy WNW   13 54% 51°
SAN YSIDRO, CA 92143 weather forecast Day 2, 18 hours 5 PM 66° 66° Partly Cloudy 1%

0% Thunder
( 0% severe)
WNW   12 61% 52°
SAN YSIDRO, CA 92143 weather forecast Day 2, 21 hours 8 PM 61° 60° Partly Cloudy WNW   7 75% 53°

SAN DIEGO/BROWN, CA extended weather forecast

Wednesday
29 APR 2026
Thursday
30 APR 2026
Friday
1 MAY 2026
Saturday
2 MAY 2026
Sunday
3 MAY 2026
Low 53° Low 55° Low 56° Low 57° Low 57°
High 70° High 69° High 73° High 72° High 68°
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
Mostly Cloudy
4% Rain
Overcast
24% Rain
Mostly Cloudy
18% Rain
Overcast
8% Rain
Mostly Cloudy
15% 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