San Ysidro, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for San Ysidro, CA in one place.
Sunny, with a high near 69. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for San Ysidro, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 5, 2026 1:50 PM PST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for San Ysidro, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 1:50 PM PST
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in San Ysidro
Tuesday looks like the warmest upcoming period in San Ysidro at 71 degrees F.
Friday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Friday Night at about 5 to 15 mph E.
The forecast from Nov 6 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 1:50 PM PST
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- SGX
- Radar station
- KNKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 52. East wind 5 to 15 mph, with gusts as high as 30 mph.
Sunny, with a high near 69. East wind 5 to 15 mph, with gusts as high as 25 mph.
Clear, with a low around 55.
Sunny, with a high near 69.
Mostly clear, with a low around 54.
Sunny, with a high near 70.
Mostly clear, with a low around 53.
Sunny, with a high near 71.
Clear, with a low around 53.
Sunny, with a high near 71.
Mostly clear, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Sunny
|
69°F |
5 to 10 mph
SE
|
|
Friday Night
Nov 6
|
Clear
|
52°F |
5 to 15 mph
E
|
|
Saturday
Nov 7
|
Sunny
|
69°F |
5 to 15 mph
E
|
|
Saturday Night
Nov 7
|
Clear
|
55°F |
0 to 5 mph
E
|
|
Sunday
Nov 8
|
Sunny
|
69°F |
5 to 15 mph
E
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
54°F |
0 to 10 mph
E
|
|
Monday
Nov 9
|
Sunny
|
70°F |
0 to 10 mph
E
|
|
Monday Night
Nov 9
|
Mostly Clear
|
53°F |
0 to 5 mph
NE
|
|
Tuesday
Nov 10
|
Sunny
|
71°F |
0 to 10 mph
E
|
|
Tuesday Night
Nov 10
|
Clear
|
53°F |
0 to 5 mph
NW
|
|
Veterans Day
Nov 11
|
Sunny
|
71°F |
0 to 10 mph
W
|
|
Wednesday Night
Nov 11
|
Mostly Clear
|
52°F |
0 to 5 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around San Ysidro.