SAN YSIDRO, CA 92143 Weather Forecast & Current Conditions

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SAN DIEGO/BROWN, CA
Current Weather

5:53 AM PST FEB 5, 2026
Clear
72°F
Feels Like: 72°F
Dewpoint: 23°F
Rel. Hum.: 15%
Visibility: 10 miles
Wind: SE at 12 mph
Pressure: 30.03 inches
Last 72 hours

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SAN YSIDRO, CA 92143
Weather Forecast

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Snow Depth pages
TODAY
Partly cloudy this morning...becoming mostly cloudy. Highs 78 to 83 near the coast to 83 to 86 inland. Areas of winds southeast to 10 mph becoming southwest 10 mph this afternoon.
TONIGHT
Mostly cloudy in the evening...becoming partly cloudy. Lows 50 to 53. Light winds.
FRIDAY
Mostly cloudy in the morning...becoming mostly sunny. Cooler. Highs 66 to 69 near the coast to 70 inland. Areas of winds south 10 mph.
FRIDAY NIGHT
Partly cloudy in the evening...becoming mostly cloudy. Lows 48 to 53. Light winds.
SATURDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 65 to 69 near the coast to 69 to 72 inland. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.
SATURDAY NIGHT
Mostly clear. Lows 49 to 53.
SUNDAY
Mostly sunny. Highs 71 to 75 near the coast to 77 inland.
SUNDAY NIGHT
Mostly clear. Lows 50 to 54.
MONDAY
Partly cloudy. Highs 68 to 72 near the coast to 72 to 75 inland.
MONDAY NIGHT
Mostly cloudy. Lows 50 to 54.
TUESDAY
Cloudy with a slight chance of showers in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs around 66.
TUESDAY NIGHT
Cloudy with a chance of showers. Lows 47 to 52.
WEDNESDAY
Cloudy with a slight chance of showers in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs 63 to 66.

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  2/ 4/2026
Thursday
5 FEB 2026
SAN YSIDRO, CA 92143 weather forecast Day 1, 0 hours 10 PM 65° 65° Clear 1%

0% Thunder
( 0% severe)
SE   7 25% 28°
Low 60° SAN YSIDRO, CA 92143 weather forecast Day 1, 3 hours 1 AM 62° 62° Partly Cloudy ESE   6 28% 29°
High 78° SAN YSIDRO, CA 92143 weather forecast Day 1, 6 hours 4 AM 61° 61° Mostly Cloudy 4%

0% Thunder
( 0% severe)
ESE   5 29% 29°

Mostly Cloudy



SAN YSIDRO, CA 92143 weather forecast Day 1, 9 hours 7 AM 61° 61° Mostly Cloudy ESE   6 33% 32°
SAN YSIDRO, CA 92143 weather forecast Day 1, 12 hours 10 AM 73° 73° Mostly Cloudy 3%

0% Thunder
( 1% severe)
SE   8 25% 35°
SAN YSIDRO, CA 92143 weather forecast Day 1, 15 hours 1 PM 75° 75° Mostly Cloudy SSW   9 28% 40°
SAN YSIDRO, CA 92143 weather forecast Day 1, 18 hours 4 PM 70° 70° Mostly Cloudy 4%

0% Thunder
( 0% severe)
SW   8 42% 46°
SAN YSIDRO, CA 92143 weather forecast Day 1, 21 hours 7 PM 63° 64° Mostly Cloudy SSE   5 60% 49°
Friday
6 FEB 2026
SAN YSIDRO, CA 92143 weather forecast Day 2, 0 hours 10 PM 59° 60° Mostly Cloudy 5%

0% Thunder
( 1% severe)
NE   3 67% 48°
Low 54° SAN YSIDRO, CA 92143 weather forecast Day 2, 3 hours 1 AM 56° 56° Mostly Cloudy N   3 74% 48°
High 69° SAN YSIDRO, CA 92143 weather forecast Day 2, 6 hours 4 AM 55° 55° Mostly Cloudy 2%

0% Thunder
( 0% severe)
SSE   3 77% 48°

Mostly Cloudy



SAN YSIDRO, CA 92143 weather forecast Day 2, 9 hours 7 AM 54° 54° Mostly Cloudy ESE   3 80% 48°
SAN YSIDRO, CA 92143 weather forecast Day 2, 12 hours 10 AM 64° 65° Partly Cloudy 2%

0% Thunder
( 0% severe)
SSW   5 60% 50°
SAN YSIDRO, CA 92143 weather forecast Day 2, 15 hours 1 PM 68° 68° Partly Cloudy WSW   9 57% 52°
SAN YSIDRO, CA 92143 weather forecast Day 2, 18 hours 4 PM 65° 65° Mostly Cloudy 2%

0% Thunder
( 1% severe)
WSW   8 65% 53°
SAN YSIDRO, CA 92143 weather forecast Day 2, 21 hours 7 PM 59° 60° Mostly Cloudy WSW   3 83% 54°

SAN DIEGO/BROWN, CA extended weather forecast

Saturday
7 FEB 2026
Sunday
8 FEB 2026
Monday
9 FEB 2026
Tuesday
10 FEB 2026
Wednesday
11 FEB 2026
Low 52° Low 48° Low 48° Low 53° Low 48°
High 67° High 77° High 73° High 65° High 62°
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
Overcast
9% Rain
Partly Cloudy
5% Rain
Partly Cloudy
4% Rain
Overcast
30% Rain
Overcast
41% Rain
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