San Diego County, CA Weather Forecast
County weather hub
Patchy Fog then Sunny
Compare major city weather across San Diego County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Patchy fog before 11am. Sunny, with a high near 76. West wind 0 to 10 mph, with gusts as high as 20 mph.
County Weather Overview
This county weather page brings together forecast coverage for San Diego County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 21 of 22 mapped cities in San Diego County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 24 to May 28, 2026
- Latest sync
- May 22, 2026 3:52 PM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in San Diego County
Sunday looks like the warmest upcoming period in San Diego County at 76 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Sunday at about 0 to 10 mph W.
The forecast from May 24 through May 28 stays mostly dry.
Forecast Details
- Last updated
- May 22, 2026 3:52 PM PDT
- Coverage
- 6 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
Patchy fog after 11pm. Partly cloudy, with a low around 52.
Patchy fog before 11am. Mostly sunny, with a high near 73.
Partly cloudy, with a low around 51.
Mostly sunny, with a high near 70.
Mostly cloudy, with a low around 50.
Mostly sunny, with a high near 68.
Partly cloudy, with a low around 50.
Mostly sunny, with a high near 71.
Partly cloudy, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
May 24
|
Patchy Fog then Sunny
|
76°F |
0 to 10 mph
W
|
|
Sunday Night
May 24
|
Patchy Fog
|
52°F |
0 to 10 mph
W
|
|
Memorial Day
May 25
|
Patchy Fog then Mostly Sunny
|
73°F |
5 to 10 mph
W
|
|
Monday Night
May 25
|
Partly Cloudy
|
51°F |
5 to 10 mph
W
|
|
Tuesday
May 26
|
Mostly Sunny
|
70°F |
5 to 10 mph
W
|
|
Tuesday Night
May 26
|
Mostly Cloudy
|
50°F |
5 to 10 mph
SW
|
|
Wednesday
May 27
|
Mostly Sunny
|
68°F |
5 to 10 mph
SW
|
|
Wednesday Night
May 27
|
Partly Cloudy
|
50°F |
5 to 10 mph
SW
|
|
Thursday
May 28
|
Mostly Sunny
|
71°F |
5 to 10 mph
SW
|
|
Thursday Night
May 28
|
Partly Cloudy
|
50°F |
0 to 10 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across San Diego County.
Coverage
Forecast coverage currently spans 21 of 22 mapped cities in San Diego County.
Largest mapped city population in this region: 1,422,420.
