Today | Weather | Monday, January 19, 2026

Weather in Oceanside, California

04:21 PM
Now
Sunny Weather
64° F
Feels Like 64°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 1
Humidity 54 %
Today
Sunny Weather
Day 70°
Night 39°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 3

Oceanside Weather Forecast Updated

3 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 19, 2025)
Cloudy Weather

Day

61°

Night

41°

Wind

6 mph

UV Index

3

Precipitation

25 %

Air Quality in Oceanside

NOW
123 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 44.77 µg/m³
PM10 57.34 µg/m³
O3 0.057 ppm
NO2 0.4 ppb
SO2 0.2 ppb
CO 0.21 ppm
NH3 0.01 µg/m³
NO 0.04 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:

Members of sensitive groups may experience health effects. The general public is not likely to be affected.

Show raw pollutant concentrations (µg/m³)
PM2.544.77 µg/m³
PM1057.34 µg/m³
O3112.6 µg/m³
NO20.74 µg/m³
SO20.58 µg/m³
CO240.65 µg/m³
NH30.01 µg/m³
NO0.04 µg/m³