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Today | Weather | Friday, February 6, 2026
Active Weather Warnings

Weather in Chula Vista, California

12:35 AM
Now
Foggy Weather
55° F
Feels Like 55°
Precipitation 0 %
Wind 5 mph
Humidity 89 %
Today
Cloudy Weather
Day 66°
Night 54°
Precipitation 2 %
Wind 8 mph
UV Index (0 - 11+) 4

Chula Vista Weather Forecast Updated

58 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 6, 2025)
Cloudy Weather

Day

66°

Night

57°

Wind

6 mph

UV Index

1

Precipitation

25 %

Air Quality in Chula Vista

NOW
75 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 23.56 µg/m³
PM10 45.49 µg/m³
O3 0.056 ppm
NO2 0.1 ppb
SO2 0.1 ppb
CO 0.14 ppm
NH3 0 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 23.56 µg/m³
PM10 – 45.49 µg/m³
O3 – 110.62 µg/m³
NO2 – 0.26 µg/m³
SO2 – 0.28 µg/m³
CO – 166.02 µg/m³
NH3 – 0 µg/m³
NO – 0 µg/m³
View Hourly Air Quality Forecast

Weather Alerts and Warnings for Chula Vista

Minor Expected Likely

High Surf Advisory

High Surf Advisory issued February 5 at 10:32AM PST until February 8 at 6:00AM PST by NWS San Diego CA
Feb 6, 10:00 AM → Feb 8, 6:00 AM
WHAT: Large breaking waves of 5 to 8 feet, with sets to 10 feet
at west-facing beaches.

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

WHEN: From 10 AM Friday to 6 AM PST Sunday.

IMPACTS: Dangerous swimming and surfing conditions and
localized beach erosion. High rip current risk. Minor tidal
overflow into parking lots also possible.

ADDITIONAL DETAILS: Rip currents are powerful channels of
water flowing quickly away from shore...which occur most often
at low spots or breaks in the sandbar and in the vicinity of
structures such as groins...jetties and piers. Heed the advice
of lifeguards...beach patrol flags and signs.

If you become caught in a rip current...yell for help. Remain
calm...do not exhaust yourself and stay afloat while waiting for
help. If you have to swim out of a rip current...SWIM PARALLEL TO
SHORE and back toward the beach when possible. Do not attempt to
swim directly against a rip current as you will tire quickly..
+ Read More
Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
Updated: Feb 5, 11:36 PM Source: NWS Alert