Today | Weather | Sunday, April 5, 2026

Weather in Oceanside, California

10:36 PM
Now
Night
55° F
Feels Like 57°
Precipitation 0 %
Wind 1 mph
Humidity 97 %
Today
Cloudy Night
Day 75°
Night 55°
Precipitation 0 %
Wind 2 mph

Oceanside Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 5, 2025)
Sunny Weather

Day

70°

Night

43°

Wind

8 mph

UV Index

8

Precipitation

1 %

Air Quality in Oceanside

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

Pollutant Concentrations:

PM2.5 18.45 µg/m³
PM10 30.67 µg/m³
O3 0.055 ppm
NO2 0.4 ppb
SO2 0.3 ppb
CO 0.14 ppm
NH3 0.04 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)
PM2.518.45 µg/m³
PM1030.67 µg/m³
O3108.43 µg/m³
NO20.66 µg/m³
SO20.73 µg/m³
CO160.53 µg/m³
NH30.04 µg/m³
NO0 µg/m³