SAN YSIDRO, CA 92143 Weather Forecast & Current Conditions

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SAN DIEGO/BROWN, CA
Current Weather

11:53 AM PDT JUL 6, 2026
Clear
75°F
Feels Like: 75°F
Dewpoint: 63°F
Rel. Hum.: 66%
Visibility: 10 miles
Wind: WNW at 8 mph
Pressure: 29.94 inches
Last 72 hours

Local Area Snow Depth

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SAN YSIDRO, CA 92143
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear this evening...becoming cloudy. Patchy fog overnight. Lows 59 to 65. Areas of winds west 10 mph this evening becoming light.
TUESDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 71 to 75 near the coast to 76 to 81 inland. Areas of winds west to 10 mph.
TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 58 to 64. Areas of winds west to 10 mph in the evening becoming light.
WEDNESDAY
Mostly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 71 to 75 near the coast to 76 to 81 inland. Light winds becoming west 10 mph in the afternoon.
WEDNESDAY NIGHT
Mostly clear in the evening...becoming mostly cloudy overnight with patchy fog. Lows 60 to 65. Areas of winds west to 10 mph in the evening becoming light.
THURSDAY
Mostly cloudy with patchy fog in the morning... Becoming partly cloudy. Highs 72 to 77 near the coast to 78 to 83 inland.
THURSDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 60 to 65.
FRIDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 72 to 76 near the coast to 80 inland.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 59 to 65.
SATURDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 71 to 76 near the coast to 76 to 80 inland.
SATURDAY NIGHT
Partly cloudy in the evening...becoming mostly cloudy. Lows 61 to 66.
SUNDAY
Cloudy in the morning...becoming partly cloudy. Highs 72 to 77 near the coast to 77 to 81 inland.
SUNDAY NIGHT
Partly cloudy. Lows 62 to 67.

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  7/ 6/2026
Monday
6 JUL 2026
SAN YSIDRO, CA 92143 weather forecast Day 1, 12 hours 11 AM 73° 73° Clear 0%

0% Thunder
( 0% severe)
WNW   10 68% 62°
High 76° SAN YSIDRO, CA 92143 weather forecast Day 1, 15 hours 2 PM 75° 75° Clear W   13 64% 62°
Clear



SAN YSIDRO, CA 92143 weather forecast Day 1, 18 hours 5 PM 73° 73° Clear 0%

0% Thunder
( 0% severe)
W   12 66% 61°
SAN YSIDRO, CA 92143 weather forecast Day 1, 21 hours 8 PM 66° 66° Clear WNW   9 81% 60°
Tuesday
7 JUL 2026
SAN YSIDRO, CA 92143 weather forecast Day 2, 0 hours 11 PM 64° 64° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   6 90% 61°
Low 63° SAN YSIDRO, CA 92143 weather forecast Day 2, 3 hours 2 AM 64° 65° Mostly Cloudy NW   3 90% 61°
High 75° SAN YSIDRO, CA 92143 weather forecast Day 2, 6 hours 5 AM 64° 65° Mostly Cloudy 0%

0% Thunder
( 0% severe)
NW   3 87% 60°

Decreasing Clouds



SAN YSIDRO, CA 92143 weather forecast Day 2, 9 hours 8 AM 65° 65° Mostly Cloudy NW   3 84% 60°
SAN YSIDRO, CA 92143 weather forecast Day 2, 12 hours 11 AM 73° 73° Partly Cloudy 1%

0% Thunder
( 0% severe)
W   9 66% 61°
SAN YSIDRO, CA 92143 weather forecast Day 2, 15 hours 2 PM 74° 74° Clear W   12 62% 60°
SAN YSIDRO, CA 92143 weather forecast Day 2, 18 hours 5 PM 72° 72° Clear 0%

0% Thunder
( 0% severe)
WNW   12 66% 60°
SAN YSIDRO, CA 92143 weather forecast Day 2, 21 hours 8 PM 66° 66° Clear W   8 81% 60°
Wednesday
8 JUL 2026
SAN YSIDRO, CA 92143 weather forecast Day 3, 0 hours 11 PM 64° 65° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   5 90% 61°
Low 63° SAN YSIDRO, CA 92143 weather forecast Day 3, 3 hours 2 AM 64° 65° Partly Cloudy NNW   3 90% 61°
High 77° SAN YSIDRO, CA 92143 weather forecast Day 3, 6 hours 5 AM 64° 66° Mostly Cloudy 0%

0% Thunder
( 0% severe)
N   2 87% 60°

Decreasing Clouds



SAN YSIDRO, CA 92143 weather forecast Day 3, 9 hours 8 AM 66° 66° Mostly Cloudy WNW   2 81% 60°
SAN YSIDRO, CA 92143 weather forecast Day 3, 15 hours 11 AM 73° 73° Clear 0%

0% Thunder
( 0% severe)
W   8 66% 61°
SAN YSIDRO, CA 92143 weather forecast Day 3, 18 hours 2 PM 76° 78° Clear W   10 60% 61°
SAN YSIDRO, CA 92143 weather forecast Day 3, 21 hours 5 PM 74° 74° Clear     W   9 64% 61°

SAN DIEGO/BROWN, CA extended weather forecast

Thursday
9 JUL 2026
Friday
10 JUL 2026
Saturday
11 JUL 2026
Sunday
12 JUL 2026
Monday
13 JUL 2026
Low 63° Low 63° Low 63° Low 64° Low 64°
High 77° High 80° High 79° High 80° High 77°
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
Mostly Cloudy
Overcast
Overcast
Overcast
5% Rain
Overcast
8% Rain
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