San Diego County, CA Weather Forecast
County weather hub
Partly Cloudy
Compare major city weather across San Diego County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Partly cloudy, with a low around 54. Southeast 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
- Apr 9 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 12:30 AM 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 78 degrees F.
Sunday Night is the coolest period ahead with temperatures near 47 degrees F.
The strongest winds are forecast for Thursday at about 0 to 15 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 12:30 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
Partly sunny, with a high near 78. Southwest wind 0 to 15 mph, with gusts as high as 25 mph.
Partly cloudy, with a low around 54. Southwest wind 0 to 10 mph.
Sunny, with a high near 74. South wind 0 to 15 mph, with gusts as high as 25 mph.
A chance of rain showers after 11pm. Mostly cloudy, with a low around 53. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers before 11am. Mostly sunny, with a high near 67. Chance of precipitation is 20%.
Rain showers after 11pm. Mostly cloudy, with a low around 53.
Rain showers. Mostly cloudy, with a high near 60.
A chance of rain showers. Mostly cloudy, with a low around 47.
A chance of rain showers before 5pm. Mostly sunny, with a high near 61.
Partly cloudy, with a low around 47.
Sunny, with a high near 69.
Mostly clear, with a low around 49.
Sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Apr 9
|
Partly Cloudy
|
54°F |
0 to 5 mph
SE
|
|
Thursday
Apr 9
|
Partly Sunny
|
78°F |
0 to 15 mph
SW
|
|
Thursday Night
Apr 9
|
Partly Cloudy
|
54°F |
0 to 10 mph
SW
|
|
Friday
Apr 10
|
Sunny
|
74°F |
0 to 15 mph
S
|
|
Friday Night
Apr 10
|
Chance Rain Showers
|
53°F |
5 to 10 mph
W
|
|
Saturday
Apr 11
|
Slight Chance Rain Showers then Mostly Sunny
|
67°F |
5 to 15 mph
W
|
|
Saturday Night
Apr 11
|
Rain Showers
|
53°F |
10 to 15 mph
W
|
|
Sunday
Apr 12
|
Rain Showers
|
60°F |
10 to 15 mph
W
|
|
Sunday Night
Apr 12
|
Chance Rain Showers
|
47°F |
5 to 15 mph
W
|
|
Monday
Apr 13
|
Chance Rain Showers
|
61°F |
5 to 15 mph
W
|
|
Monday Night
Apr 13
|
Partly Cloudy
|
47°F |
5 to 15 mph
SW
|
|
Tuesday
Apr 14
|
Sunny
|
69°F |
5 to 10 mph
SW
|
|
Tuesday Night
Apr 14
|
Mostly Clear
|
49°F |
0 to 10 mph
N
|
|
Wednesday
Apr 15
|
Sunny
|
74°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.
