Hourly Weather | Today › Thursday, October 29, 2026
Active Weather Warnings
Chula Vista, California
9 PM
Rainy Weather
68°
Feels Like 64°
40
Humidity: 73%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
66°
Feels Like 64°
37
Humidity: 73%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
66°
Feels Like 64°
49
Humidity: 75%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.69 µg/m³
  • PM10: 6.42 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
50 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.61 µg/m³
  • PM10: 6.11 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
50 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.56 µg/m³
  • PM10: 5.94 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Weather Alerts and Warnings for Chula Vista

Minor Expected Likely

Coastal Flood Advisory

Coastal Flood Advisory issued October 29 at 1:21PM PDT until October 30 at 2:00PM PDT by NWS San Diego CA
Oct 29, 1:21 PM → Oct 30, 2:00 PM
WHAT: Minor coastal flooding.

WHERE: San Diego County Coastal Areas and Orange County
Coastal Areas.

WHEN: For the Coastal Flood Advisory, from 1 PM today to 2 PM
PDT Friday.

IMPACTS: Flooding of lots, parks, and roads with only
isolated road closures expected.

ADDITIONAL DETAILS: Coastal residents and managers of
infrastructure in the advisory area should prepare for rising
water and take appropriate action to protect life and property.
Highest tides will occur around noon on Friday. Observed high
tides are 1.3 to 1.6 feet above astronomical tide predictions.
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If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Updated: Oct 29, 8:17 PM Source: NWS Alert