California · NWS SGX office

Seal Beach, CA weather

It is 63°F and partly cloudy at Los Alamitos Army Airfield as of Oct 28, 2:00 AM PDT. Overnight: Mostly Cloudy, low near 59°F, 1% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 12:03 AM PDT.

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

Current conditions

Temperature

63°F

Partly Cloudy

Wind

Calm

Humidity 83% · dew point 57°F

Pressure · visibility

29.91 inHg

Visibility 10 mi

Observed at Los Alamitos Army Airfield (KSLI), Oct 28, 2:00 AM PDT. Station readings can lag or be missing.

Alerts for this area

Coastal Flood Warning Severe Expected

Coastal Flood Warning issued October 28 at 1:09AM PDT until October 29 at 1:00PM PDT by NWS San Diego CA

Area
San Diego County Coastal Areas; Orange County Coastal
In effect
Oct 28, 1:09 AM PDT
Until
Oct 29, 1:00 PM PDT
Issued by
NWS San Diego CA
Full text

* WHAT...Significant coastal flooding expected. * WHERE...San Diego County coastal areas and Orange County Coastal Areas. * WHEN...Until 1 PM PDT Thursday during high tides in the late mornings. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur in the late mornings. * ADDITIONAL DETAILS...Coastal residents and managers of infrastructure in the warned area should prepare for rising water and take appropriate action to protect life and property. High tides each day will occur in the late morning. Observed high tides are 1.4 to 1.6 feet above astronomical tide predictions.

What to do: Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.

Around the NWS SGX forecast area

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

  • 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 Seal Beach (local time)
TimeTempForecastPrecip. chanceWind
Wed 4 AM60°FMostly Cloudy1%E 5 mph
Wed 5 AM60°FMostly Cloudy0%N 5 mph
Wed 6 AM59°FPartly Sunny0%N 5 mph
Wed 7 AM59°FPartly Sunny0%N 5 mph
Wed 8 AM60°FPartly Sunny0%NE 5 mph
Wed 9 AM64°FPartly Sunny0%E 5 mph
Wed 10 AM68°FPartly Sunny0%E 5 mph
Wed 11 AM71°FMostly Sunny0% 0 mph
Wed 12 PM72°FMostly Sunny0%SE 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 PM72°FMostly Sunny0%SW 10 mph
Wed 6 PM70°FPartly Cloudy0%SW 5 mph
Wed 7 PM69°FPartly Cloudy0%W 5 mph
Wed 8 PM67°FMostly Cloudy0%W 5 mph
Wed 9 PM66°FMostly Cloudy0% 0 mph
Wed 10 PM65°FMostly Cloudy0% 0 mph
Wed 11 PM64°FMostly Cloudy1% 0 mph
Thu 12 AM64°FMostly Cloudy1% 0 mph
Thu 1 AM63°FMostly Cloudy1% 0 mph
Thu 2 AM62°FMostly Cloudy1% 0 mph
Thu 3 AM60°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 Seal Beach can differ.

7-day forecast

Overnight

Low 59°F

Mostly cloudy, with a low around 59. Northeast wind around 5 mph.

Wednesday

High 74°F·Low 59°F

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

Wednesday Night: Mostly cloudy, with a low around 59. Northeast wind 0 to 5 mph.

Thursday

High 73°F·Low 62°F

Partly sunny, with a high near 73. South wind 5 to 10 mph.

Thursday Night: Mostly cloudy, with a low around 62. South wind around 5 mph.

Friday

High 71°F·Low 59°F

Partly sunny, with a high near 71.

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

Saturday

High 70°F·Low 58°F

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

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

Sunday

High 71°F·Low 58°F

A chance of rain showers before 4pm. Partly sunny, with a high near 71.

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

Monday

High 75°F·Low 59°F

Sunny, with a high near 75.

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

Tuesday

High 75°F

Mostly sunny, with a high near 75.

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
Seal Beach is served by the National Weather Service SGX forecast office, forecast zone CAZ552, county zone CAC059.
Location used
The Census Bureau's internal point for Seal Beach (33.7544, -118.0713), in Orange County. Population: 24,421 (2024 estimate), number 278 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/33.7544,-118.0713 (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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