Today | Weather | Thursday, November 20, 2025

Weather in Santa Clarita, California

10:56 AM
Now
Cloudy Weather
54° F
Feels Like 52°
Precipitation 47 %
Wind 8 mph
UV Index (0 - 11+) 1
Humidity 80 %
Today
Rainy Weather
Day 54°
Night 48°
Precipitation 96 %
Wind 7 mph
UV Index (0 - 11+) 1

Santa Clarita Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 20, 2024)
Cloudy Night

Day

72°

Night

39°

Wind

4 mph

Precipitation

0 %

Air Quality in Santa Clarita

NOW
44 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.54 µg/m³
PM10 4.67 µg/m³
O3 0.047 ppm
NO2 0.2 ppb
SO2 0.2 ppb
CO 0.09 ppm
NH3 0 µg/m³
NO 0.02 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)
PM2.51.54 µg/m³
PM104.67 µg/m³
O392.65 µg/m³
NO20.44 µg/m³
SO20.4 µg/m³
CO105.27 µg/m³
NH30 µg/m³
NO0.02 µg/m³