California · NWS SGX office

Santa Ana, CA weather

It is 62°F at FW0058 Santa Ana Fire as of Oct 28, 2:00 AM PDT. Overnight: Mostly Cloudy, low near 58°F, 1% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 12:03 AM PDT.

Updated Oct 28, 2:13 AM PDT (snapshot)

Current conditions

Temperature

62°F

Mostly Cloudy

Wind

NE 1 mph, gusts 3 mph

Humidity 87% · dew point 58°F

Pressure · visibility

29.93 inHg

Visibility —

Observed at FW0058 Santa Ana Fire (F0058), Oct 28, 2:00 AM PDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Santa Ana forecast zone right now.

Around the NWS SGX forecast area

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

  • 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 Santa Ana (local time)
TimeTempForecastPrecip. chanceWind
Wed 4 AM59°FMostly Cloudy0%E 5 mph
Wed 5 AM58°FMostly Cloudy1%E 5 mph
Wed 6 AM58°FPartly Sunny1%E 5 mph
Wed 7 AM58°FPartly Sunny1%E 5 mph
Wed 8 AM59°FMostly Sunny1%E 5 mph
Wed 9 AM63°FMostly Sunny1% 0 mph
Wed 10 AM67°FMostly Sunny1% 0 mph
Wed 11 AM72°FMostly Sunny0% 0 mph
Wed 12 PM74°FMostly Sunny0%S 5 mph
Wed 1 PM75°FMostly Sunny0%SW 5 mph
Wed 2 PM76°FMostly Sunny0%SW 5 mph
Wed 3 PM75°FMostly Sunny0%SW 5 mph
Wed 4 PM74°FMostly Sunny0%SW 10 mph
Wed 5 PM74°FMostly Sunny0%SW 5 mph
Wed 6 PM70°FPartly Cloudy0%SW 5 mph
Wed 7 PM68°FPartly Cloudy0%SW 5 mph
Wed 8 PM66°FMostly Cloudy0% 0 mph
Wed 9 PM65°FMostly Cloudy0% 0 mph
Wed 10 PM63°FMostly Cloudy0% 0 mph
Wed 11 PM63°FMostly Cloudy1% 0 mph
Thu 12 AM62°FMostly Cloudy1% 0 mph
Thu 1 AM61°FMostly Cloudy1% 0 mph
Thu 2 AM60°FMostly Cloudy1% 0 mph
Thu 3 AM59°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 Santa Ana can differ.

7-day forecast

Overnight

Low 58°F

Mostly cloudy, with a low around 58. East wind around 5 mph.

Wednesday

High 76°F·Low 58°F

Mostly sunny, with a high near 76. South wind 0 to 10 mph.

Wednesday Night: Mostly cloudy, with a low around 58. Southwest wind 0 to 5 mph.

Thursday

High 75°F·Low 61°F

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

Thursday Night: Mostly cloudy, with a low around 61. South wind 0 to 5 mph.

Friday

High 73°F·Low 58°F

Partly sunny, with a high near 73.

Friday Night: A slight chance of rain showers between 11pm and 5am. Mostly cloudy, with a low around 58.

Saturday

High 72°F·Low 58°F

A chance of rain showers after 11am. Mostly cloudy, with a high near 72.

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

Sunday

High 72°F·Low 57°F

A chance of rain showers before 4pm. Partly sunny, with a high near 72.

Sunday Night: Mostly clear, with a low around 57.

Monday

High 77°F·Low 58°F

Sunny, with a high near 77.

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

Tuesday

High 77°F

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
Santa Ana 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 Santa Ana (33.7363, -117.8829), in Orange County. Population: 316,184 (2024 estimate), number 14 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/33.7363,-117.8829 (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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