San Diego County, CA Weather Forecast
County weather hub
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.
Sunny, with a high near 83.
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
- Jun 10 to Jun 11, 2026
- Latest sync
- Jun 5, 2026 1:46 PM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in San Diego County
Thursday looks like the warmest upcoming period in San Diego County at 84 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Wednesday at about 0 to 10 mph SW.
The forecast from Jun 10 through Jun 11 stays mostly dry.
Forecast Details
- Last updated
- Jun 5, 2026 1:46 PM PDT
- Coverage
- 3 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
Mostly clear, with a low around 56.
Sunny, with a high near 84.
Mostly clear, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 10
|
Sunny
|
83°F |
0 to 10 mph
SW
|
|
Wednesday Night
Jun 10
|
Mostly Clear
|
56°F |
0 to 10 mph
S
|
|
Thursday
Jun 11
|
Sunny
|
84°F |
0 to 10 mph
SW
|
|
Thursday Night
Jun 11
|
Mostly Clear
|
56°F |
0 to 5 mph
SW
|
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.
