SAN YSIDRO, CA 92143 Weather Forecast & Current Conditions

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SAN DIEGO/BROWN, CA
Current Weather

8:53 AM PST MAR 1, 2026
Clear
72°F
Feels Like: 72°F
Dewpoint: 46°F
Rel. Hum.: 39%
Visibility: 10 miles
Wind: SE at 6 mph
Pressure: 30.00 inches
Last 72 hours

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SAN YSIDRO, CA 92143
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny. Highs 71 to 76 near the coast to 78 to 83 inland. Light winds becoming west 10 mph this afternoon.
TONIGHT
Partly cloudy in the evening...becoming mostly cloudy. Lows 51 to 55. Areas of winds northwest 10 mph in the evening becoming light.
MONDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 64 to 68 near the coast to 69 inland. Areas of winds west to 10 mph...becoming 10 to 15 mph in the afternoon.
MONDAY NIGHT
Partly cloudy in the evening...becoming mostly cloudy overnight with patchy fog. Lows 46 to 51. Areas of winds west to 10 mph in the evening becoming light.
TUESDAY
Mostly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 66 to 70 near the coast to 72 inland. Light winds becoming west 10 mph in the afternoon.
TUESDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows 48 to 53.
WEDNESDAY
Patchy fog in the morning. Partly cloudy. Highs around 70 near the coast to 74 inland.
WEDNESDAY NIGHT
Partly cloudy. Lows 48 to 53.
THURSDAY
Mostly sunny. Highs around 70 near the coast to 73 inland.
THURSDAY NIGHT
Mostly clear. Lows 47 to 52.
FRIDAY
Mostly sunny. Highs 67 to 72 near the coast to 72 to 75 inland.
FRIDAY NIGHT
Mostly clear. Lows 49 to 52.
SATURDAY
Mostly sunny. Highs 71 to 74 near the coast to 76 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  5:00 AM MST  3/ 1/2026
Sunday
1 MAR 2026
SAN YSIDRO, CA 92143 weather forecast Day 1, 12 hours 10 AM 78° 78° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   3 35% 48°
High 81° SAN YSIDRO, CA 92143 weather forecast Day 1, 15 hours 1 PM 80° 80° Partly Cloudy W   9 39% 53°
Partly Cloudy



SAN YSIDRO, CA 92143 weather forecast Day 1, 18 hours 4 PM 76° 78° Clear 0%

0% Thunder
( 0% severe)
W   9 48% 55°
SAN YSIDRO, CA 92143 weather forecast Day 1, 21 hours 7 PM 66° 66° Clear WNW   5 73% 57°
Monday
2 MAR 2026
SAN YSIDRO, CA 92143 weather forecast Day 2, 0 hours 10 PM 62° 63° Partly Cloudy 0%

0% Thunder
( 0% severe)
WNW   2 81% 56°
Low 55° SAN YSIDRO, CA 92143 weather forecast Day 2, 3 hours 1 AM 58° 59° Partly Cloudy NNW   2 90% 55°
High 70° SAN YSIDRO, CA 92143 weather forecast Day 2, 6 hours 4 AM 56° 56° Partly Cloudy 0%

0% Thunder
( 0% severe)
N   2 93% 54°

Mostly Cloudy



SAN YSIDRO, CA 92143 weather forecast Day 2, 9 hours 7 AM 56° 56° Mostly Cloudy NNW   2 93% 54°
SAN YSIDRO, CA 92143 weather forecast Day 2, 12 hours 10 AM 65° 65° Mostly Cloudy 2%

0% Thunder
( 0% severe)
W   6 65% 53°
SAN YSIDRO, CA 92143 weather forecast Day 2, 15 hours 1 PM 68° 68° Partly Cloudy W   12 59% 53°
SAN YSIDRO, CA 92143 weather forecast Day 2, 18 hours 4 PM 65° 65° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   10 63% 52°
SAN YSIDRO, CA 92143 weather forecast Day 2, 21 hours 7 PM 59° 59° Partly Cloudy WNW   5 80% 53°
Tuesday
3 MAR 2026
SAN YSIDRO, CA 92143 weather forecast Day 3, 0 hours 10 PM 56° 56° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   2 90% 53°
Low 51° SAN YSIDRO, CA 92143 weather forecast Day 3, 3 hours 1 AM 53° 53° Partly Cloudy ESE   2 96% 52°
High 71° SAN YSIDRO, CA 92143 weather forecast Day 3, 6 hours 4 AM 52° 52° Mostly Cloudy 0%

0% Thunder
( 0% severe)
ESE   2 93% 50°

Decreasing Clouds



SAN YSIDRO, CA 92143 weather forecast Day 3, 9 hours 7 AM 51° 51° Partly Cloudy E   2 89% 48°
SAN YSIDRO, CA 92143 weather forecast Day 3, 15 hours 10 AM 64° 65° Clear 0%

0% Thunder
( 0% severe)
W   3 58% 49°
SAN YSIDRO, CA 92143 weather forecast Day 3, 18 hours 1 PM 69° 69° Clear W   9 53% 51°
SAN YSIDRO, CA 92143 weather forecast Day 3, 21 hours 4 PM 67° 67° Clear     W   8 61% 53°

SAN DIEGO/BROWN, CA extended weather forecast

Wednesday
4 MAR 2026
Thursday
5 MAR 2026
Friday
6 MAR 2026
Saturday
7 MAR 2026
Sunday
8 MAR 2026
Low 50° Low 49° Low 48° Low 47° Low 48°
High 71° High 72° High 75° High 76° High 70°
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
Partly Cloudy
5% Rain
Mostly Cloudy
7% Rain
Clear
4% Rain
Clear
3% Rain
Partly Cloudy
13% Rain
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