SAN YSIDRO, CA 92143 Weather Forecast & Current Conditions

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SAN DIEGO/BROWN, CA
Current Weather

9:53 AM PDT MAY 13, 2026
Broken Clouds
66°F
Feels Like: 66°F
Dewpoint: 52°F
Rel. Hum.: 61%
Visibility: 10 miles
Wind: Calm
Pressure: 30.10 inches
Last 72 hours

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SAN YSIDRO, CA 92143
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly cloudy with patchy drizzle this morning, then mostly sunny this afternoon. Highs 69 to 73. Areas of winds southwest to 10 mph becoming west this afternoon.
TONIGHT
Partly cloudy in the evening...becoming mostly cloudy. Lows 52 to 57. Areas of winds west 10 mph in the evening becoming light.
THURSDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 67 to 71 near the coast to 71 to 75 inland. Areas of winds west to 10 mph.
THURSDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 53 to 57. Areas of winds west to 10 mph in the evening becoming light.
FRIDAY
Mostly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 67 to 71 near the coast to 72 to 75 inland. Areas of winds west to 10 mph.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 52 to 57.
SATURDAY
Mostly cloudy in the morning...becoming mostly sunny. Highs 67 to 72 near the coast to 72 to 75 inland.
SATURDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 54 to 57.
SUNDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs around 70 near the coast to 72 inland.
SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 53 to 57.
MONDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 69 to 73 near the coast to 75 to 78 inland.
MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 54 to 58.
TUESDAY
Partly cloudy. Highs 72 to 77 near the coast to 80 to 83 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 AM MDT  5/13/2026
Wednesday
13 MAY 2026
SAN YSIDRO, CA 92143 weather forecast Day 1, 12 hours 11 AM 67° 67° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   8 70% 57°
High 70° SAN YSIDRO, CA 92143 weather forecast Day 1, 15 hours 2 PM 69° 69° Clear W   13 66% 57°
Partly Cloudy



SAN YSIDRO, CA 92143 weather forecast Day 1, 18 hours 5 PM 67° 67° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   12 70% 57°
SAN YSIDRO, CA 92143 weather forecast Day 1, 21 hours 8 PM 62° 61° Mostly Cloudy W   8 81% 56°
Thursday
14 MAY 2026
SAN YSIDRO, CA 92143 weather forecast Day 2, 0 hours 11 PM 60° 61° Mostly Cloudy 1%

0% Thunder
( 0% severe)
W   3 87% 56°
Low 56° SAN YSIDRO, CA 92143 weather forecast Day 2, 3 hours 2 AM 58° 59° Mostly Cloudy WNW   2 93% 56°
High 71° SAN YSIDRO, CA 92143 weather forecast Day 2, 6 hours 5 AM 57° 58° Mostly Cloudy 1%

0% Thunder
( 0% severe)
NNW   1 93% 55°

Decreasing Clouds



SAN YSIDRO, CA 92143 weather forecast Day 2, 9 hours 8 AM 60° 61° Partly Cloudy WNW   1 84% 55°
SAN YSIDRO, CA 92143 weather forecast Day 2, 12 hours 11 AM 68° 68° Clear 0%

0% Thunder
( 0% severe)
W   8 65% 56°
SAN YSIDRO, CA 92143 weather forecast Day 2, 15 hours 2 PM 70° 70° Clear W   12 63% 57°
SAN YSIDRO, CA 92143 weather forecast Day 2, 18 hours 5 PM 67° 67° Clear 0%

0% Thunder
( 0% severe)
W   10 70% 57°
SAN YSIDRO, CA 92143 weather forecast Day 2, 21 hours 8 PM 62° 62° Partly Cloudy W   6 84% 57°
Friday
15 MAY 2026
SAN YSIDRO, CA 92143 weather forecast Day 3, 0 hours 11 PM 59° 60° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   3 93% 57°
Low 55° SAN YSIDRO, CA 92143 weather forecast Day 3, 3 hours 2 AM 57° 58° Mostly Cloudy S   2 96% 56°
High 71° SAN YSIDRO, CA 92143 weather forecast Day 3, 6 hours 5 AM 56° 56° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SSE   2 100% 56°

Decreasing Clouds



SAN YSIDRO, CA 92143 weather forecast Day 3, 9 hours 8 AM 60° 61° Mostly Cloudy S   2 90% 57°
SAN YSIDRO, CA 92143 weather forecast Day 3, 15 hours 11 AM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   8 70% 58°
SAN YSIDRO, CA 92143 weather forecast Day 3, 18 hours 2 PM 70° 70° Clear WSW   13 68% 59°
SAN YSIDRO, CA 92143 weather forecast Day 3, 21 hours 5 PM 67° 67° Clear     WSW   10 75% 59°

SAN DIEGO/BROWN, CA extended weather forecast

Saturday
16 MAY 2026
Sunday
17 MAY 2026
Monday
18 MAY 2026
Tuesday
19 MAY 2026
Wednesday
20 MAY 2026
Low 59° Low 59° Low 57° Low 56° Low 59°
High 73° High 71° High 74° High 74° 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
Overcast
7% Rain
Overcast
16% Rain
Mostly Cloudy
18% Rain
Mostly Cloudy
3% Rain
Overcast
8% Rain
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