Orange County, CA Weather Forecast
County weather hub
Mostly Cloudy
Compare major city weather across Orange County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly cloudy, with a low around 57. South wind around 5 mph.
County Weather Overview
This county weather page brings together forecast coverage for Orange County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 34 of 35 mapped cities in Orange County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 14 to May 21, 2026
- Latest sync
- May 15, 2026 12:22 AM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Orange County
Wednesday looks like the warmest upcoming period in Orange County at 79 degrees F.
Friday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Sunday at about 10 to 15 mph SE.
The forecast from May 14 through May 21 stays mostly dry.
Forecast Details
- Last updated
- May 15, 2026 12:22 AM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- SGX
- Radar station
- KSOX
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 72. South wind 5 to 10 mph.
Mostly cloudy, with a low around 56. South wind 5 to 10 mph.
Partly sunny, with a high near 72. South wind 5 to 10 mph.
Mostly cloudy, with a low around 57. Southeast wind around 10 mph, with gusts as high as 20 mph.
Mostly sunny, with a high near 72.
Partly cloudy, with a low around 56.
Sunny, with a high near 75.
Mostly clear, with a low around 57.
Mostly sunny, with a high near 78.
Partly cloudy, with a low around 58.
Mostly sunny, with a high near 79.
Partly cloudy, with a low around 59.
Mostly sunny, with a high near 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
May 14
|
Mostly Cloudy
|
57°F |
5 mph
S
|
|
Friday
May 15
|
Partly Sunny
|
72°F |
5 to 10 mph
S
|
|
Friday Night
May 15
|
Mostly Cloudy
|
56°F |
5 to 10 mph
S
|
|
Saturday
May 16
|
Partly Sunny
|
72°F |
5 to 10 mph
S
|
|
Saturday Night
May 16
|
Mostly Cloudy
|
57°F |
10 mph
SE
|
|
Sunday
May 17
|
Mostly Sunny
|
72°F |
10 to 15 mph
SE
|
|
Sunday Night
May 17
|
Partly Cloudy
|
56°F |
5 to 10 mph
S
|
|
Monday
May 18
|
Sunny
|
75°F |
5 to 10 mph
S
|
|
Monday Night
May 18
|
Mostly Clear
|
57°F |
0 to 10 mph
S
|
|
Tuesday
May 19
|
Mostly Sunny
|
78°F |
0 to 10 mph
S
|
|
Tuesday Night
May 19
|
Partly Cloudy
|
58°F |
0 to 10 mph
S
|
|
Wednesday
May 20
|
Mostly Sunny
|
79°F |
0 to 10 mph
S
|
|
Wednesday Night
May 20
|
Partly Cloudy
|
59°F |
0 to 10 mph
SW
|
|
Thursday
May 21
|
Mostly Sunny
|
77°F |
0 to 10 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Orange County.
Coverage
Forecast coverage currently spans 34 of 35 mapped cities in Orange County.
Largest mapped city population in this region: 353,676.
