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 95. 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
- Jul 9 to Jul 15, 2026
- Latest sync
- Jul 9, 2026 1:43 AM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in San Diego County
Wednesday looks like the warmest upcoming period in San Diego County at 99 degrees F.
Thursday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Thursday at about 0 to 10 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 9, 2026 1:43 AM PDT
- 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
Mostly clear, with a low around 61. Northwest wind 0 to 5 mph.
Sunny, with a high near 93. West wind 0 to 10 mph.
Partly cloudy, with a low around 61. North wind 0 to 5 mph.
Partly sunny, with a high near 91.
Mostly cloudy, with a low around 63.
Partly sunny, with a high near 90.
A slight chance of rain showers between 11pm and 5am. Partly cloudy, with a low around 64.
A slight chance of rain showers between 11am and 5pm. Mostly sunny, with a high near 92.
Mostly clear, with a low around 65.
A slight chance of rain showers between 11am and 5pm. Mostly sunny, with a high near 96.
Partly cloudy, with a low around 69.
A slight chance of rain showers between 11am and 5pm. Mostly sunny, with a high near 99.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 9
|
Sunny
|
95°F |
0 to 10 mph
W
|
|
Thursday Night
Jul 9
|
Mostly Clear
|
61°F |
0 to 5 mph
NW
|
|
Friday
Jul 10
|
Sunny
|
93°F |
0 to 10 mph
W
|
|
Friday Night
Jul 10
|
Partly Cloudy
|
61°F |
0 to 5 mph
N
|
|
Saturday
Jul 11
|
Partly Sunny
|
91°F |
0 to 10 mph
SW
|
|
Saturday Night
Jul 11
|
Mostly Cloudy
|
63°F |
0 to 5 mph
NE
|
|
Sunday
Jul 12
|
Partly Sunny
|
90°F |
0 to 10 mph
SW
|
|
Sunday Night
Jul 12
|
Slight Chance Rain Showers
|
64°F |
0 to 5 mph
W
|
|
Monday
Jul 13
|
Slight Chance Rain Showers
|
92°F |
0 to 10 mph
S
|
|
Monday Night
Jul 13
|
Mostly Clear
|
65°F |
0 to 10 mph
W
|
|
Tuesday
Jul 14
|
Slight Chance Rain Showers
|
96°F |
0 to 10 mph
W
|
|
Tuesday Night
Jul 14
|
Partly Cloudy
|
69°F |
0 to 10 mph
SW
|
|
Wednesday
Jul 15
|
Slight Chance Rain Showers
|
99°F |
0 to 10 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.
