SAN YSIDRO, CA 92173 Weather Forecast & Current Conditions

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SAN DIEGO/BROWN, CA
Current Weather

8:53 AM PDT OCT 28, 2025
Clear
Haze
64°F
Feels Like: 64°F
Dewpoint: 57°F
Rel. Hum.: 78%
Visibility: 6 miles
Wind: Calm
Pressure: 29.99 inches
Last 72 hours

Local Area Snow Depth

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SAN YSIDRO, CA 92173
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny. Warmer. Highs 71 to 76 near the coast to 80 to 85 inland. Light winds becoming west 10 mph this afternoon.
TONIGHT
Mostly clear. Lows 58 to 63. Light winds.
WEDNESDAY
Mostly sunny. Highs 78 to 83 near the coast to 87 to 92 inland. Light winds becoming west 10 mph in the afternoon.
WEDNESDAY NIGHT
Mostly clear. Lows 59 to 62. Areas of winds southwest to 10 mph in the evening becoming light.
THURSDAY
Patchy fog in the morning. Mostly sunny. Highs 74 to 79 near the coast to 82 to 86 inland. Light winds becoming west 10 mph in the afternoon.
THURSDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows around 60.
FRIDAY
Patchy fog in the morning. Partly cloudy. Highs 70 to 75 near the coast to 76 to 79 inland.
FRIDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows 56 to 59.
SATURDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 71 to 76 near the coast to 77 to 81 inland.
SATURDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows around 59.
SUNDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 72 to 77 near the coast to 79 to 82 inland.
SUNDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows around 60.
MONDAY
Patchy fog in the morning. Partly cloudy. Highs 71 to 76 near the coast to 76 to 80 inland.

Visible Weather Satellite
SAN YSIDRO, CA 92173
Infrared Weather Satellite
SAN YSIDRO, CA 92173
NEXRAD Weather Radar
SAN YSIDRO, CA 92173

SAN DIEGO/BROWN, CA 3 hourly weather forecast

weather forecast created  5:00 PM MST 10/27/2025
Tuesday
28 OCT 2025
SAN YSIDRO, CA 92173 weather forecast Day 1, 0 hours 10 PM 61° 61° Partly Cloudy 0%

0% Thunder
( 0% severe)
N   5 87% 57°
Low 56° SAN YSIDRO, CA 92173 weather forecast Day 1, 3 hours 1 AM 59° 60° Partly Cloudy E   3 87% 55°
High 82° SAN YSIDRO, CA 92173 weather forecast Day 1, 6 hours 4 AM 57° 57° Partly Cloudy 0%

0% Thunder
( 0% severe)
E   3 83% 52°

Partly Cloudy



SAN YSIDRO, CA 92173 weather forecast Day 1, 9 hours 7 AM 59° 58° Partly Cloudy E   6 75% 51°
SAN YSIDRO, CA 92173 weather forecast Day 1, 12 hours 10 AM 76° 78° Clear 0%

0% Thunder
( 0% severe)
NW   6 42% 51°
SAN YSIDRO, CA 92173 weather forecast Day 1, 15 hours 1 PM 79° 79° Clear W   9 42% 54°
SAN YSIDRO, CA 92173 weather forecast Day 1, 18 hours 4 PM 74° 74° Clear 0%

0% Thunder
( 0% severe)
W   8 51% 55°
SAN YSIDRO, CA 92173 weather forecast Day 1, 21 hours 7 PM 67° 67° Clear NNW   5 63% 54°
Wednesday
29 OCT 2025
SAN YSIDRO, CA 92173 weather forecast Day 2, 0 hours 10 PM 65° 65° Clear 0%

0% Thunder
( 0% severe)
NNE   7 56% 49°
Low 61° SAN YSIDRO, CA 92173 weather forecast Day 2, 3 hours 1 AM 63° 63° Clear ENE   6 48% 43°
High 88° SAN YSIDRO, CA 92173 weather forecast Day 2, 6 hours 4 AM 63° 63° Clear 0%

0% Thunder
( 0% severe)
ESE   6 35% 35°

Clear



SAN YSIDRO, CA 92173 weather forecast Day 2, 9 hours 7 AM 65° 65° Partly Cloudy E   8 30% 33°
SAN YSIDRO, CA 92173 weather forecast Day 2, 12 hours 10 AM 83° 81° Clear 0%

0% Thunder
( 0% severe)
N   6 19% 36°
SAN YSIDRO, CA 92173 weather forecast Day 2, 15 hours 1 PM 85° 82° Clear NW   9 23% 43°
SAN YSIDRO, CA 92173 weather forecast Day 2, 18 hours 4 PM 80° 79° Clear 0%

0% Thunder
( 0% severe)
NW   8 30% 46°
SAN YSIDRO, CA 92173 weather forecast Day 2, 21 hours 7 PM 71° 71° Clear NE   6 41% 46°

SAN DIEGO/BROWN, CA extended weather forecast

Thursday
30 OCT 2025
Friday
31 OCT 2025
Saturday
1 NOV 2025
Sunday
2 NOV 2025
Monday
3 NOV 2025
Low 57° Low 55° Low 53° Low 54° Low 54°
High 86° High 73° High 77° High 81° High 85°
SAN YSIDRO, CA 92173 weather forecast Day 3 SAN YSIDRO, CA 92173 weather forecast Day 4 SAN YSIDRO, CA 92173 weather forecast Day 5 SAN YSIDRO, CA 92173 weather forecast Day 6 SAN YSIDRO, CA 92173 weather forecast Day 7
Clear
1% Rain
Overcast
2% Rain
Mostly Cloudy
3% Rain
Partly Cloudy
3% Rain
Clear
3% Rain
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