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Today | Weather | Monday, December 29, 2025
Active Weather Warnings

Weather in Corona, California

09:09 PM
Now
Cloudy Night
55° F
Feels Like 46°
Precipitation 0 %
Wind 18 mph
Humidity 36 %
Today
Night
Day 68°
Night 50°
Precipitation 0 %
Wind 18 mph

Corona Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 29, 2024)
Cloudy Weather

Day

64°

Night

41°

Wind

4 mph

UV Index

3

Precipitation

0 %

Air Quality in Corona

NOW
35 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.6 µg/m³
PM10 11.82 µg/m³
O3 0.038 ppm
NO2 5.9 ppb
SO2 0.7 ppb
CO 0.18 ppm
NH3 0.69 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 5.6 µg/m³
PM10 – 11.82 µg/m³
O3 – 73.66 µg/m³
NO2 – 11.14 µg/m³
SO2 – 1.9 µg/m³
CO – 211.23 µg/m³
NH3 – 0.69 µg/m³
NO – 0 µg/m³
View Hourly Air Quality Forecast

Weather Alerts and Warnings for Corona

Severe Future Possible

High Wind Watch

High Wind Watch issued December 28 at 5:29AM PST until December 30 at 1:00PM PST by NWS San Diego CA
Dec 28, 10:00 PM → Dec 30, 1:00 PM
WHAT: Northeast winds 15 to 30 mph with gusts up to 45 to 60 mph
possible.

WHERE: San Bernardino County Mountains, San Bernardino and
Riverside County Valleys-The Inland Empire, San Gorgonio Pass near
Banning, and Santa Ana Mountains and Foothills.

WHEN: From this evening through Tuesday afternoon.

IMPACTS: Damaging winds could blow down trees and power lines.
Widespread power outages are possible. Travel could be difficult,
especially for high profile vehicles.
+ Read More
Monitor the latest forecasts and warnings for updates. Fasten loose objects or shelter objects in a safe location prior to the onset of winds.
Updated: Dec 28, 11:32 AM Source: NWS Alert
Moderate Expected Likely

Wind Advisory

Wind Advisory issued December 29 at 7:47PM PST until December 30 at 1:00PM PST by NWS San Diego CA
Dec 29, 7:47 PM → Dec 30, 1:00 PM
WHAT: Northeast winds 15 to 30 mph with gusts up to 50 mph
expected. Isolated gusts to 65 mph possible below the passes.

WHERE: San Bernardino County Mountains, San Bernardino and
Riverside County Valleys-The Inland Empire, San Gorgonio Pass near
Banning, and Santa Ana Mountains and Foothills.

WHEN: Until 1 PM PST Tuesday.

IMPACTS: Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.

ADDITIONAL DETAILS: Strongest winds will occur through and below
the Cajon Pass and adjacent foothills, below the San Gorgonio
Pass, and through the canyons of the Santa Ana Mountains.
+ Read More
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
Updated: Dec 29, 9:02 PM Source: NWS Alert