San Diego County, CA Weather Forecast
County weather hub
Clear
Compare major city weather across San Diego County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Clear, with a low around 57. East wind 0 to 5 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
- Nov 12 to Nov 18, 2026
- Latest sync
- Nov 12, 2026 1:25 AM PST
- 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 78 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Thursday at about 5 to 10 mph SW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 12, 2026 1:25 AM 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
Sunny, with a high near 78. Southwest wind 5 to 10 mph.
A chance of rain showers after 10pm. Mostly cloudy, with a low around 56. Southeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Rain showers likely. Mostly cloudy, with a high near 66. South wind 0 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Rain showers. Mostly cloudy, with a low around 55. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Rain showers. Mostly cloudy, with a high near 63. Chance of precipitation is 90%.
A slight chance of rain showers before 10pm. Partly cloudy, with a low around 49.
Mostly sunny, with a high near 66.
A slight chance of rain showers after 4am. Partly cloudy, with a low around 50.
Rain showers likely. Partly sunny, with a high near 64.
Rain showers likely. Mostly cloudy, with a low around 49.
A chance of rain showers before 4pm. Partly sunny, with a high near 62.
Partly cloudy, with a low around 45.
A slight chance of rain showers after 4pm. Mostly sunny, with a high near 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Nov 12
|
Clear
|
57°F |
0 to 5 mph
E
|
|
Thursday
Nov 12
|
Sunny
|
78°F |
5 to 10 mph
SW
|
|
Thursday Night
Nov 12
|
Chance Rain Showers
|
56°F |
0 to 5 mph
SE
|
|
Friday
Nov 13
|
Rain Showers Likely
|
66°F |
0 to 10 mph
S
|
|
Friday Night
Nov 13
|
Rain Showers
|
55°F |
5 to 10 mph
SW
|
|
Saturday
Nov 14
|
Rain Showers
|
63°F |
5 to 10 mph
SW
|
|
Saturday Night
Nov 14
|
Slight Chance Rain Showers then Partly Cloudy
|
49°F |
0 to 5 mph
S
|
|
Sunday
Nov 15
|
Mostly Sunny
|
66°F |
0 to 5 mph
W
|
|
Sunday Night
Nov 15
|
Partly Cloudy then Slight Chance Rain Showers
|
50°F |
0 to 5 mph
NW
|
|
Monday
Nov 16
|
Rain Showers Likely
|
64°F |
0 to 10 mph
S
|
|
Monday Night
Nov 16
|
Rain Showers Likely
|
49°F |
5 to 10 mph
SW
|
|
Tuesday
Nov 17
|
Chance Rain Showers
|
62°F |
5 to 10 mph
SW
|
|
Tuesday Night
Nov 17
|
Partly Cloudy
|
45°F |
0 to 10 mph
SW
|
|
Wednesday
Nov 18
|
Mostly Sunny then Slight Chance Rain Showers
|
64°F |
0 to 5 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.
