SAN YSIDRO, CA 92143 Weather Forecast & Current Conditions

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SAN DIEGO/BROWN, CA
Current Weather

3:53 PM PST NOV 4, 2025
Clear
66°F
Feels Like: 66°F
Dewpoint: 55°F
Rel. Hum.: 68%
Visibility: 10 miles
Wind: W at 8 mph
Pressure: 30.06 inches
Last 72 hours

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SAN YSIDRO, CA 92143
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy this evening, then mostly cloudy with a slight chance of showers overnight. Lows 53 to 57. Light winds. Chance of measurable precipitation 20 percent.
WEDNESDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 65 to 70 near the coast to 69 to 72 inland. Light winds becoming west 10 mph in the afternoon.
WEDNESDAY NIGHT
Partly cloudy. Lows 52 to 56. Areas of winds northwest 10 mph in the evening becoming light.
THURSDAY
Partly cloudy. Highs 66 to 71 near the coast to 70 to 73 inland. Areas of winds north 10 mph becoming west in the afternoon.
THURSDAY NIGHT
Partly cloudy. Lows 52 to 57. Areas of winds northwest to 10 mph in the evening becoming light.
FRIDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 69 to 74 near the coast to 75 to 78 inland.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 55 to 58.
SATURDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 70 to 75 near the coast to 75 to 79 inland.
SATURDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 56 to 59.
SUNDAY
Partly cloudy. Highs 71 to 76 near the coast to 80 inland.
SUNDAY NIGHT
Partly cloudy. Lows around 59.
MONDAY
Partly cloudy. Highs 69 to 74 near the coast to 74 to 77 inland.
MONDAY NIGHT
Partly cloudy. Lows 56 to 60.

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 11/ 4/2025
Tuesday
4 NOV 2025
SAN YSIDRO, CA 92143 weather forecast Day 1, 12 hours 10 AM 66° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   3 63% 53°
High 71° SAN YSIDRO, CA 92143 weather forecast Day 1, 15 hours 1 PM 70° 70° Clear W   9 59% 55°
Partly Cloudy



SAN YSIDRO, CA 92143 weather forecast Day 1, 18 hours 4 PM 66° 66° Clear 0%

0% Thunder
( 0% severe)
W   7 73% 57°
SAN YSIDRO, CA 92143 weather forecast Day 1, 21 hours 7 PM 60° 61° Partly Cloudy WSW   2 90% 57°
Wednesday
5 NOV 2025
SAN YSIDRO, CA 92143 weather forecast Day 2, 0 hours 10 PM 59° 60° Mostly Cloudy 2%

0% Thunder
( 0% severe)
ESE   3 87% 55°
Low 55° SAN YSIDRO, CA 92143 weather forecast Day 2, 3 hours 1 AM 57° 58° Mostly Cloudy ESE   2 90% 54°
High 69° SAN YSIDRO, CA 92143 weather forecast Day 2, 6 hours 4 AM 56° 56° Mostly Cloudy 1%

0% Thunder
( 0% severe)
E   2 90% 53°

Decreasing Clouds



SAN YSIDRO, CA 92143 weather forecast Day 2, 9 hours 7 AM 57° 57° Partly Cloudy SE   3 86% 53°
SAN YSIDRO, CA 92143 weather forecast Day 2, 12 hours 10 AM 66° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   5 65% 54°
SAN YSIDRO, CA 92143 weather forecast Day 2, 15 hours 1 PM 68° 68° Clear W   10 65% 56°
SAN YSIDRO, CA 92143 weather forecast Day 2, 18 hours 4 PM 65° 65° Clear 0%

0% Thunder
( 0% severe)
WNW   9 75% 57°
SAN YSIDRO, CA 92143 weather forecast Day 2, 21 hours 7 PM 60° 60° Partly Cloudy NW   6 87% 56°
Thursday
6 NOV 2025
SAN YSIDRO, CA 92143 weather forecast Day 3, 0 hours 10 PM 58° 57° Partly Cloudy 0%

0% Thunder
( 0% severe)
N   7 90% 55°
Low 55° SAN YSIDRO, CA 92143 weather forecast Day 3, 3 hours 1 AM 57° 57° Partly Cloudy N   5 93% 55°
High 70° SAN YSIDRO, CA 92143 weather forecast Day 3, 6 hours 4 AM 56° 56° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNE   3 93% 54°

Partly Cloudy



SAN YSIDRO, CA 92143 weather forecast Day 3, 9 hours 7 AM 56° 55° Partly Cloudy NNE   6 96% 55°
SAN YSIDRO, CA 92143 weather forecast Day 3, 15 hours 10 AM 66° 66° Partly Cloudy 1%

0% Thunder
( 0% severe)
NNW   9 70% 56°
SAN YSIDRO, CA 92143 weather forecast Day 3, 18 hours 1 PM 69° 69° Clear NW   13 68% 58°
SAN YSIDRO, CA 92143 weather forecast Day 3, 21 hours 4 PM 65° 65° Partly Cloudy     WNW   12 84% 60°

SAN DIEGO/BROWN, CA extended weather forecast

Friday
7 NOV 2025
Saturday
8 NOV 2025
Sunday
9 NOV 2025
Monday
10 NOV 2025
Tuesday
11 NOV 2025
Low 53° Low 54° Low 54° Low 54° Low 54°
High 75° High 77° High 81° High 85° High 82°
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
7% Rain
Partly Cloudy
5% Rain
Clear
3% Rain
Clear
3% Rain
Clear
4% Rain
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