SAN YSIDRO, CA 92143 Weather Forecast & Current Conditions

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SAN DIEGO/BROWN, CA
Current Weather

5:53 PM PDT AUG 1, 2026
Clear
79°F
Feels Like: 81°F
Dewpoint: 64°F
Rel. Hum.: 60%
Visibility: 10 miles
Wind: W at 7 mph
Pressure: 29.88 inches
Last 72 hours

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SAN YSIDRO, CA 92143
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear this evening...becoming partly cloudy. Lows 64 to 69. Light winds.
SUNDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 77 to 82 near the coast to 84 to 89 inland. Light winds becoming southwest 10 mph in the afternoon.
SUNDAY NIGHT
Partly cloudy. Lows 64 to 69. Light winds.
MONDAY
Mostly cloudy in the morning...becoming mostly sunny. Highs 76 to 81 near the coast to 83 to 87 inland. Light winds becoming west 10 mph in the afternoon.
MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 62 to 68. Areas of winds west to 10 mph in the evening becoming light.
TUESDAY
Mostly cloudy in the morning...becoming mostly sunny. Highs 75 to 80 near the coast to 81 to 85 inland.
TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 62 to 68.
WEDNESDAY
Mostly cloudy in the morning...becoming mostly sunny. Highs 75 to 80 near the coast to 81 to 85 inland.
WEDNESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 63 to 68.
THURSDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 76 to 81 near the coast to 82 to 86 inland.
THURSDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 64 to 69.
FRIDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 76 to 81 near the coast to 82 to 86 inland.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 64 to 69.

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/ 1/2026
Saturday
1 AUG 2026
SAN YSIDRO, CA 92143 weather forecast Day 1, 12 hours 11 AM 81° 83° Clear 0%

0% Thunder
( 0% severe)
W   7 60% 66°
High 84° SAN YSIDRO, CA 92143 weather forecast Day 1, 15 hours 2 PM 83° 85° Clear W   10 57% 66°
Partly Cloudy



SAN YSIDRO, CA 92143 weather forecast Day 1, 18 hours 5 PM 81° 83° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   9 58% 65°
SAN YSIDRO, CA 92143 weather forecast Day 1, 21 hours 8 PM 74° 74° Partly Cloudy W   3 74% 65°
Sunday
2 AUG 2026
SAN YSIDRO, CA 92143 weather forecast Day 2, 0 hours 11 PM 71° 71° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   3 81% 65°
Low 70° SAN YSIDRO, CA 92143 weather forecast Day 2, 3 hours 2 AM 70° 70° Partly Cloudy WNW   2 84% 65°
High 85° SAN YSIDRO, CA 92143 weather forecast Day 2, 6 hours 5 AM 70° 70° Mostly Cloudy 1%

0% Thunder
( 0% severe)
NW   2 81% 64°

Decreasing Clouds



SAN YSIDRO, CA 92143 weather forecast Day 2, 9 hours 8 AM 72° 72° Mostly Cloudy WNW   2 73% 63°
SAN YSIDRO, CA 92143 weather forecast Day 2, 12 hours 11 AM 81° 83° Partly Cloudy 1%

0% Thunder
( 0% severe)
W   7 58% 65°
SAN YSIDRO, CA 92143 weather forecast Day 2, 15 hours 2 PM 83° 85° Clear W   10 55% 65°
SAN YSIDRO, CA 92143 weather forecast Day 2, 18 hours 5 PM 81° 83° Clear 0%

0% Thunder
( 0% severe)
W   10 56% 64°
SAN YSIDRO, CA 92143 weather forecast Day 2, 21 hours 8 PM 73° 73° Clear W   5 76% 65°
Monday
3 AUG 2026
SAN YSIDRO, CA 92143 weather forecast Day 3, 0 hours 11 PM 70° 70° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   3 87% 66°
Low 69° SAN YSIDRO, CA 92143 weather forecast Day 3, 3 hours 2 AM 69° 69° Partly Cloudy WNW   2 90% 66°
High 83° SAN YSIDRO, CA 92143 weather forecast Day 3, 6 hours 5 AM 69° 69° Mostly Cloudy 0%

0% Thunder
( 0% severe)
N   2 87% 65°

Decreasing Clouds



SAN YSIDRO, CA 92143 weather forecast Day 3, 9 hours 8 AM 70° 70° Mostly Cloudy W   2 84% 65°
SAN YSIDRO, CA 92143 weather forecast Day 3, 15 hours 11 AM 79° 81° Clear 0%

0% Thunder
( 0% severe)
W   7 64% 66°
SAN YSIDRO, CA 92143 weather forecast Day 3, 18 hours 2 PM 81° 83° Clear W   12 60% 66°
SAN YSIDRO, CA 92143 weather forecast Day 3, 21 hours 5 PM 78° 80° Clear     W   10 67% 66°

SAN DIEGO/BROWN, CA extended weather forecast

Tuesday
4 AUG 2026
Wednesday
5 AUG 2026
Thursday
6 AUG 2026
Friday
7 AUG 2026
Saturday
8 AUG 2026
Low 67° Low 66° Low 65° Low 66° Low 65°
High 80° High 80° High 81° High 81° High 78°
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
Mostly Cloudy
Mostly Cloudy
Overcast
2% Rain
Mostly Cloudy
4% Rain
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