California · NWS SGX office

San Juan Capistrano, CA weather

It is 64°F at FW1327 San Clemente Pier CA US as of Oct 28, 2:00 AM PDT. Overnight: Mostly Cloudy, low near 57°F. Forecast from the National Weather Service, issued Oct 28, 12:03 AM PDT.

Updated Oct 28, 2:24 AM PDT (snapshot)

Current conditions

Temperature

64°F

Mostly Cloudy

Wind

NE 4 mph, gusts 6 mph

Humidity 83% · dew point 59°F

Pressure · visibility

29.91 inHg

Visibility —

Observed at FW1327 San Clemente Pier CA US (F1327), Oct 28, 2:00 AM PDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the San Juan Capistrano forecast zone right now.

Around the NWS SGX forecast area

1 active alert covers zones served by the SGX office near San Juan Capistrano:

  • Coastal Flood Warning

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. California has 8 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for San Juan Capistrano (local time)
TimeTempForecastPrecip. chanceWind
Wed 4 AM58°FMostly Cloudy0%NE 5 mph
Wed 5 AM58°FMostly Cloudy0%NE 5 mph
Wed 6 AM57°FPartly Sunny0%NE 5 mph
Wed 7 AM57°FPartly Sunny0%NE 5 mph
Wed 8 AM58°FMostly Sunny0%NE 5 mph
Wed 9 AM62°FMostly Sunny0%E 5 mph
Wed 10 AM66°FMostly Sunny0% 0 mph
Wed 11 AM71°FMostly Sunny0%S 5 mph
Wed 12 PM72°FMostly Sunny0%SW 5 mph
Wed 1 PM73°FMostly Sunny0%S 5 mph
Wed 2 PM74°FMostly Sunny0%SW 10 mph
Wed 3 PM73°FMostly Sunny0%SW 10 mph
Wed 4 PM73°FMostly Sunny0%SW 10 mph
Wed 5 PM71°FMostly Sunny1%SW 5 mph
Wed 6 PM68°FPartly Cloudy1%SW 5 mph
Wed 7 PM66°FPartly Cloudy1% 0 mph
Wed 8 PM64°FMostly Cloudy1% 0 mph
Wed 9 PM63°FMostly Cloudy1% 0 mph
Wed 10 PM62°FMostly Cloudy1% 0 mph
Wed 11 PM62°FMostly Cloudy1% 0 mph
Thu 12 AM61°FMostly Cloudy1%NE 5 mph
Thu 1 AM60°FMostly Cloudy1%NE 5 mph
Thu 2 AM59°FMostly Cloudy1%NE 5 mph
Thu 3 AM58°FMostly Cloudy1% 0 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in San Juan Capistrano can differ.

7-day forecast

Overnight

Low 57°F

Mostly cloudy, with a low around 57. East wind around 5 mph.

Wednesday

High 74°F·Low 57°F

Mostly sunny, with a high near 74. South wind 0 to 10 mph.

Wednesday Night: Mostly cloudy, with a low around 57. Southeast wind 0 to 5 mph.

Thursday

High 73°F·Low 60°F

Partly sunny, with a high near 73. South wind 0 to 5 mph.

Thursday Night: A slight chance of rain showers between 11pm and 5am. Mostly cloudy, with a low around 60. South wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Friday

High 71°F·Low 57°F

Partly sunny, with a high near 71.

Friday Night: A slight chance of rain showers between 11pm and 5am. Mostly cloudy, with a low around 57.

Saturday

High 70°F·Low 58°F

Rain showers likely after 11am. Mostly cloudy, with a high near 70.

Saturday Night: Rain showers likely. Cloudy, with a low around 58.

Sunday

High 69°F·Low 57°F

A chance of rain showers. Partly sunny, with a high near 69.

Sunday Night: A slight chance of rain showers before 10pm. Partly cloudy, with a low around 57.

Monday

High 74°F·Low 58°F

Sunny, with a high near 74.

Monday Night: Mostly clear, with a low around 58.

Tuesday

High 74°F

Mostly sunny, with a high near 74.

Nearby cities

Larger cities in the area

Other cities in Orange County

See every city we cover in California, or check all active alerts.

About this forecast

Forecast office
San Juan Capistrano is served by the National Weather Service SGX forecast office, forecast zone CAZ554, county zone CAC059.
Location used
The Census Bureau's internal point for San Juan Capistrano (33.5009, -117.6544), in Orange County. Population: 35,469 (2024 estimate), number 220 of the 296 California cities on this site.
Radar
Nearest NWS radar: KSOX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/33.5009,-117.6544 (forecast issued Oct 28, 12:03 AM PDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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