SAN YSIDRO, CA 92143 Weather Forecast & Current Conditions

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SAN DIEGO/BROWN, CA
Current Weather

11:53 AM PDT AUG 16, 2025
Clear
75°F
Feels Like: 75°F
Dewpoint: 59°F
Rel. Hum.: 58%
Visibility: 10 miles
Wind: NNW at 9 mph
Pressure: 30.03 inches
Last 72 hours

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SAN YSIDRO, CA 92143
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly cloudy this morning...becoming partly cloudy. Highs 69 to 74 near the coast to 73 to 76 inland. Areas of winds south 10 mph.
TONIGHT
Mostly cloudy. Lows 59 to 64. Light winds.
SUNDAY
Cloudy in the morning...becoming partly cloudy. Highs 70 to 74 near the coast to 74 to 78 inland. Light winds becoming west 10 mph in the afternoon.
SUNDAY NIGHT
Partly cloudy in the evening...becoming cloudy overnight with patchy fog. Lows 60 to 65. Areas of winds west to 10 mph in the evening becoming light.
MONDAY
Cloudy with patchy fog in the morning...becoming mostly sunny. Highs 71 to 75 near the coast to 76 to 80 inland. Light winds becoming west 10 mph in the afternoon.
MONDAY NIGHT
Mostly clear in the evening...becoming mostly cloudy overnight with patchy fog. Lows 60 to 64.
TUESDAY
Mostly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 71 to 76 near the coast to 77 to 81 inland.
TUESDAY NIGHT
Mostly clear in the evening...becoming mostly cloudy overnight with patchy fog. Lows 61 to 65.
WEDNESDAY
Mostly cloudy with patchy fog in the morning... Becoming partly cloudy. Highs 72 to 77 near the coast to 78 to 82 inland.
WEDNESDAY NIGHT
Partly cloudy in the evening...becoming mostly cloudy overnight with patchy fog. Lows 64 to 67.
THURSDAY
Mostly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 75 to 80 near the coast to 81 to 85 inland.
THURSDAY NIGHT
Mostly clear in the evening...becoming mostly cloudy overnight with patchy fog. Lows 65 to 69.
FRIDAY
Mostly cloudy with patchy fog in the morning...becoming partly cloudy. Highs 76 to 81 near the coast to 82 to 87 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  8/16/2025
Saturday
16 AUG 2025
SAN YSIDRO, CA 92143 weather forecast Day 1, 12 hours 11 AM 69° 69° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   8 73% 60°
High 72° SAN YSIDRO, CA 92143 weather forecast Day 1, 15 hours 2 PM 71° 71° Partly Cloudy WSW   12 68% 60°
Partly Cloudy



SAN YSIDRO, CA 92143 weather forecast Day 1, 18 hours 5 PM 69° 69° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   9 73% 60°
SAN YSIDRO, CA 92143 weather forecast Day 1, 21 hours 8 PM 64° 65° Partly Cloudy W   5 84% 59°
Sunday
17 AUG 2025
SAN YSIDRO, CA 92143 weather forecast Day 2, 0 hours 11 PM 63° 64° Mostly Cloudy 0%

0% Thunder
( 0% severe)
W   3 87% 59°
Low 62° SAN YSIDRO, CA 92143 weather forecast Day 2, 3 hours 2 AM 63° 64° Mostly Cloudy W   2 87% 59°
High 73° SAN YSIDRO, CA 92143 weather forecast Day 2, 6 hours 5 AM 63° 64° Mostly Cloudy 1%

0% Thunder
( 0% severe)
WNW   2 87% 59°

Decreasing Clouds



SAN YSIDRO, CA 92143 weather forecast Day 2, 9 hours 8 AM 63° 64° Mostly Cloudy WNW   2 90% 60°
SAN YSIDRO, CA 92143 weather forecast Day 2, 12 hours 11 AM 70° 70° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   7 73% 61°
SAN YSIDRO, CA 92143 weather forecast Day 2, 15 hours 2 PM 73° 73° Clear W   10 68% 62°
SAN YSIDRO, CA 92143 weather forecast Day 2, 18 hours 5 PM 71° 71° Clear 0%

0% Thunder
( 0% severe)
W   10 73% 62°
SAN YSIDRO, CA 92143 weather forecast Day 2, 21 hours 8 PM 65° 65° Partly Cloudy WNW   6 90% 62°
Monday
18 AUG 2025
SAN YSIDRO, CA 92143 weather forecast Day 3, 0 hours 11 PM 64° 65° Mostly Cloudy 0%

0% Thunder
( 0% severe)
WNW   3 93% 62°
Low 63° SAN YSIDRO, CA 92143 weather forecast Day 3, 3 hours 2 AM 64° 66° Mostly Cloudy NNW   2 93% 62°
High 75° SAN YSIDRO, CA 92143 weather forecast Day 3, 6 hours 5 AM 64° 66° Mostly Cloudy 0%

0% Thunder
( 0% severe)
N   2 93% 62°

Decreasing Clouds



SAN YSIDRO, CA 92143 weather forecast Day 3, 9 hours 8 AM 64° 66° Mostly Cloudy WNW   2 93% 62°
SAN YSIDRO, CA 92143 weather forecast Day 3, 15 hours 11 AM 72° 72° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   7 73% 63°
SAN YSIDRO, CA 92143 weather forecast Day 3, 18 hours 2 PM 74° 74° Clear W   10 69% 63°
SAN YSIDRO, CA 92143 weather forecast Day 3, 21 hours 5 PM 72° 72° Clear     W   9 71% 62°

SAN DIEGO/BROWN, CA extended weather forecast

Tuesday
19 AUG 2025
Wednesday
20 AUG 2025
Thursday
21 AUG 2025
Friday
22 AUG 2025
Saturday
23 AUG 2025
Low 63° Low 62° Low 64° Low 64° Low 65°
High 81° High 81° High 86° High 87° High 84°
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
2% Rain
Partly Cloudy
Partly Cloudy
Partly Cloudy
2% Rain
Mostly Cloudy
5% Rain
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