National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

EW3219 National City (E3219)

Lat: 32.6705°NLon: 117.10083°WElev: 38.06ft.

NA

74°F

23°C

Humidity 94%
Wind Speed NA NA MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 72°F (22°C)
Visibility NA
Last update 28 Aug 03:00 AM PDT
Extended Forecast for

Chula Vista CA

Heat Advisory August 28, 03:27am until August 28, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 28, 03:27am until August 28, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Overnight

    Low: 74 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 73. West wind around 5 mph becoming calm.

    Low: 73 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 83. Light southwest wind becoming west 5 to 10 mph in the morning.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. West wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 69.

    Low: 69 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 78.

    High: 78 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 74. Calm wind.
Friday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Friday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 73. West wind around 5 mph becoming calm.
Saturday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 83. Light southwest wind becoming west 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 71. West wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 69.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 68.
Wednesday
A slight chance of showers. Partly sunny, with a high near 78.
Wednesday Night
Mostly cloudy, with a low around 69.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chula Vista CA
 32.64°N 117.08°W (Elev. 105 ft)
Last Update:
1:07 am PDT Aug 28, 2026
Forecast Valid:
3am PDT Aug 28, 2026-6pm PDT Sep 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation