Today | Weather | Wednesday, November 19, 2025

Weather in Oceanside, California

12:32 PM
Now
Cloudy Weather
64° F
Feels Like 66°
Precipitation 7 %
Wind 9 mph
UV Index (0 - 11+) 3
Humidity 54 %
Today
Cloudy Weather
Day 66°
Night 46°
Precipitation 25 %
Wind 6 mph
UV Index (0 - 11+) 3

Oceanside Weather Forecast Updated

26 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 19, 2024)
Cloudy Night

Day

68°

Night

34°

Wind

2 mph

Precipitation

1 %

Air Quality in Oceanside

NOW
41 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.41 µg/m³
PM10 2.38 µg/m³
O3 0.045 ppm
NO2 0.3 ppb
SO2 0.2 ppb
CO 0.11 ppm
NH3 0.03 µg/m³
NO 0.11 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)
PM2.51.41 µg/m³
PM102.38 µg/m³
O387.55 µg/m³
NO20.58 µg/m³
SO20.56 µg/m³
CO120.76 µg/m³
NH30.03 µg/m³
NO0.11 µg/m³