California · NWS SGX office

Imperial Beach, CA weather

It is 57°F and partly cloudy at San Diego, Brown Field Municipal Airport as of Oct 28, 5:00 AM PDT. Overnight: Mostly Cloudy, low near 59°F. Forecast from the National Weather Service, issued Oct 28, 12:03 AM PDT.

Updated Oct 28, 5:29 AM PDT (snapshot)

Current conditions

Temperature

57°F

Partly Cloudy

Wind

NE 5 mph

Humidity 88% · dew point 54°F

Pressure · visibility

29.95 inHg

Visibility —

Observed at San Diego, Brown Field Municipal Airport (KSDM), Oct 28, 5:00 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 Imperial Beach:

  • Coastal Flood Warning

From the alert snapshot of Oct 28, 2026, 8:14 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 Imperial Beach (local time)
TimeTempForecastPrecip. chanceWind
Wed 5 AM60°FMostly Cloudy0%E 5 mph
Wed 6 AM59°FMostly Cloudy0%E 5 mph
Wed 7 AM59°FMostly Cloudy0%E 5 mph
Wed 8 AM60°FPartly Sunny0%E 5 mph
Wed 9 AM64°FPartly Sunny0%E 5 mph
Wed 10 AM66°FPartly Sunny0%SE 5 mph
Wed 11 AM70°FMostly Sunny0% 0 mph
Wed 12 PM71°FMostly Sunny0%W 5 mph
Wed 1 PM71°FMostly Sunny0%SW 10 mph
Wed 2 PM72°FMostly Sunny0%W 10 mph
Wed 3 PM71°FMostly Sunny0%W 10 mph
Wed 4 PM71°FMostly Sunny0%W 10 mph
Wed 5 PM70°FPartly Sunny2%W 10 mph
Wed 6 PM68°FMostly Cloudy2%W 5 mph
Wed 7 PM67°FMostly Cloudy2%W 5 mph
Wed 8 PM66°FMostly Cloudy2%W 5 mph
Wed 9 PM66°FMostly Cloudy2%W 5 mph
Wed 10 PM66°FMostly Cloudy2% 0 mph
Wed 11 PM65°FMostly Cloudy2%SW 5 mph
Thu 12 AM64°FMostly Cloudy2%S 5 mph
Thu 1 AM64°FMostly Cloudy2%SE 5 mph
Thu 2 AM63°FMostly Cloudy2%SE 5 mph
Thu 3 AM62°FMostly Cloudy2%E 5 mph
Thu 4 AM62°FMostly Cloudy2%NE 5 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 Imperial Beach can differ.

7-day forecast

Overnight

Low 59°F

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

Wednesday

High 72°F·Low 61°F

Partly sunny, with a high near 72. South wind 0 to 10 mph. New rainfall amounts less than a tenth of an inch possible.

Wednesday Night: Mostly cloudy, with a low around 61. Southwest wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.

Thursday

High 71°F·Low 63°F

Partly sunny, with a high near 71. South wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.

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 69°F·Low 61°F

Mostly cloudy, with a high near 69.

Friday Night: Mostly cloudy, with a low around 61.

Saturday

High 70°F·Low 61°F

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

Saturday Night: Rain showers. Cloudy, with a low around 61.

Sunday

High 69°F·Low 61°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 61.

Monday

High 73°F·Low 61°F

Mostly sunny, with a high near 73.

Monday Night: Partly cloudy, with a low around 61.

Tuesday

High 73°F

Mostly sunny, with a high near 73.

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
Imperial Beach 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 Imperial Beach (32.5691, -117.1149), in San Diego County. Population: 25,568 (2024 estimate), number 270 of the 296 California cities on this site.
Radar
Nearest NWS radar: KNKX. 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/32.5691,-117.1149 (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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