California · NWS SGX office

National City, CA weather

It is 64°F at EW3219 National City as of Oct 27, 10:30 PM PDT. Tonight: Mostly Cloudy, low near 58°F. Forecast from the National Weather Service, issued Oct 27, 11:13 PM PDT.

Updated Oct 27, 11:22 PM PDT (snapshot)

Current conditions

Temperature

64°F

Mostly Cloudy

Wind

—

Humidity 84% · dew point 59°F

Pressure · visibility

29.97 inHg

Visibility —

Observed at EW3219 National City (E3219), Oct 27, 10:30 PM PDT. Station readings can lag or be missing.

Alerts for this area

Coastal Flood Warning Severe Expected

Coastal Flood Warning issued October 27 at 9:34PM 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 27, 9:34 PM 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 National City:

  • 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 National City (local time)
TimeTempForecastPrecip. chanceWind
Tue 11 PM64°FMostly Cloudy0%SE 5 mph
Wed 12 AM63°FMostly Cloudy0%SE 5 mph
Wed 1 AM62°FMostly Cloudy0%E 5 mph
Wed 2 AM61°FMostly Cloudy0%E 5 mph
Wed 3 AM60°FMostly Cloudy0%E 5 mph
Wed 4 AM60°FMostly Cloudy0%E 5 mph
Wed 5 AM59°FMostly Cloudy0%E 5 mph
Wed 6 AM59°FMostly Cloudy0%E 5 mph
Wed 7 AM58°FMostly Cloudy0%E 5 mph
Wed 8 AM60°FPartly Sunny0%E 5 mph
Wed 9 AM64°FPartly Sunny0%SE 5 mph
Wed 10 AM68°FPartly Sunny0%S 5 mph
Wed 11 AM70°FMostly Sunny0%S 5 mph
Wed 12 PM71°FMostly Sunny0%SW 5 mph
Wed 1 PM72°FMostly Sunny0%SW 5 mph
Wed 2 PM72°FPartly Sunny0%SW 10 mph
Wed 3 PM72°FPartly Sunny0%SW 10 mph
Wed 4 PM72°FPartly Sunny0%W 10 mph
Wed 5 PM70°FMostly Cloudy0%W 5 mph
Wed 6 PM68°FMostly Cloudy0%SW 5 mph
Wed 7 PM67°FMostly Cloudy0%SW 5 mph
Wed 8 PM66°FMostly Cloudy0% 0 mph
Wed 9 PM65°FMostly Cloudy0% 0 mph
Wed 10 PM64°FMostly Cloudy0% 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 National City can differ.

7-day forecast

Tonight

Low 58°F

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

Wednesday

High 74°F·Low 60°F

Partly sunny, with a high near 74. Southwest wind 0 to 10 mph.

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

Thursday

High 72°F·Low 63°F

Partly sunny, with a high near 72. Southwest wind 0 to 10 mph.

Thursday Night: A slight chance of rain showers between 11pm and 5am. Mostly cloudy, with a low around 63. Southwest wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Friday

High 70°F·Low 60°F

Partly sunny, with a high near 70.

Friday Night: Mostly cloudy, with a low around 60.

Saturday

High 70°F·Low 60°F

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

Saturday Night: Rain showers. Cloudy, with a low around 60.

Sunday

High 69°F·Low 59°F

Rain showers likely. Mostly cloudy, with a high near 69.

Sunday Night: A chance of rain showers before 10pm. Partly cloudy, with a low around 59.

Monday

High 74°F·Low 60°F

Sunny, with a high near 74.

Monday Night: Mostly clear, with a low around 60.

Tuesday

High 75°F

Mostly sunny, with a high near 75.

Nearby cities

Larger cities in the area

Other cities in San Diego County

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

About this forecast

Forecast office
National City is served by the National Weather Service SGX forecast office, forecast zone CAZ043, county zone CAC073.
Location used
The Census Bureau's internal point for National City (32.6659, -117.0974), in San Diego County. Population: 58,460 (2024 estimate), number 158 of the 296 California cities on this site.
Radar
Nearest NWS radar: KNKX. View it on radar.weather.gov.

On Amazon

Weather-ready picks

As an Amazon Associate I earn from qualifying purchases.

Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/32.6659,-117.0974 (forecast issued Oct 27, 11:13 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.

More California cities