California · NWS SGX office

Irvine, CA weather

It is 64°F and clear at John Wayne-Orange County Airport as of Oct 27, 11:00 PM PDT. Tonight: Mostly Cloudy, low near 57°F. Forecast from the National Weather Service, issued Oct 27, 12:57 PM PDT.

Updated Oct 27, 11:15 PM PDT (snapshot)

Current conditions

Temperature

64°F

Clear

Wind

NE 3 mph

Humidity 83% · dew point 59°F

Pressure · visibility

29.96 inHg

Visibility 10 mi

Observed at John Wayne-Orange County Airport (KSNA), Oct 27, 11:00 PM PDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Irvine forecast zone right now.

Around the NWS SGX forecast area

1 active alert covers zones served by the SGX office near Irvine:

  • Coastal Flood Warning

From the alert snapshot of Oct 28, 2026, 2:15 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 Irvine (local time)
TimeTempForecastPrecip. chanceWind
Tue 11 PM62°FMostly Cloudy0%E 5 mph
Wed 12 AM61°FMostly Cloudy0%E 5 mph
Wed 1 AM61°FMostly Cloudy0%E 5 mph
Wed 2 AM60°FMostly Cloudy0%E 5 mph
Wed 3 AM59°FMostly Cloudy0%SE 5 mph
Wed 4 AM58°FMostly Cloudy0%SE 5 mph
Wed 5 AM58°FMostly Cloudy0%SE 5 mph
Wed 6 AM58°FPartly Sunny0%SE 5 mph
Wed 7 AM57°FPartly Sunny0%SE 5 mph
Wed 8 AM59°FPartly Sunny0%SE 5 mph
Wed 9 AM64°FPartly Sunny0% 0 mph
Wed 10 AM68°FPartly Sunny0% 0 mph
Wed 11 AM71°FMostly Sunny0%S 5 mph
Wed 12 PM73°FMostly Sunny0%S 5 mph
Wed 1 PM75°FMostly Sunny0%S 5 mph
Wed 2 PM75°FMostly Sunny0%SW 5 mph
Wed 3 PM76°FMostly Sunny0%SW 5 mph
Wed 4 PM75°FMostly Sunny0%SW 5 mph
Wed 5 PM73°FPartly Sunny4%SW 5 mph
Wed 6 PM71°FMostly Cloudy4%SW 5 mph
Wed 7 PM68°FMostly Cloudy4%S 5 mph
Wed 8 PM67°FMostly Cloudy4% 0 mph
Wed 9 PM66°FMostly Cloudy4% 0 mph
Wed 10 PM64°FMostly Cloudy4% 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 Irvine can differ.

7-day forecast

Tonight

Low 57°F

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

Wednesday

High 76°F·Low 60°F

Partly sunny, with a high near 76. South wind 0 to 5 mph.

Wednesday Night: Mostly cloudy, with a low around 60. South wind 0 to 5 mph.

Thursday

High 75°F·Low 63°F

Partly sunny, with a high near 75. South wind 0 to 5 mph.

Thursday Night: Mostly cloudy, with a low around 63. South wind 0 to 5 mph.

Friday

High 72°F·Low 59°F

Partly sunny, with a high near 72.

Friday Night: A slight chance of rain showers after 11pm. Mostly cloudy, with a low around 59.

Saturday

High 70°F·Low 59°F

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

Saturday Night: Rain showers likely. Cloudy, with a low around 59.

Sunday

High 71°F·Low 57°F

A chance of rain showers. Partly sunny, with a high near 71.

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

Monday

High 77°F·Low 59°F

Sunny, with a high near 77.

Monday Night: Mostly clear, with a low around 59.

Tuesday

High 77°F

A slight chance of rain showers after 4pm. Mostly sunny, with a high near 77.

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
Irvine 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 Irvine (33.6784, -117.7713), in Orange County. Population: 318,683 (2024 estimate), number 13 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/33.6784,-117.7713 (forecast issued Oct 27, 12:57 PM 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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