Today | Weather | Sunday, April 26, 2026

Weather in Santa Clarita, California

04:15 PM
Now
Cloudy Weather
63° F
Feels Like 61°
Precipitation 0 %
Wind 14 mph
UV Index (0 - 11+) 3
Humidity 49 %
Today
Cloudy Weather
Day 63°
Night 46°
Precipitation 9 %
Wind 12 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Santa Clarita Weather Forecast Updated

29 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 26, 2025)
Stormy Weather

Day

57°

Night

45°

Wind

9 mph

UV Index

9

Precipitation

97 %

Air Quality in Santa Clarita

NOW
52 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.82 µg/m³
PM10 2.34 µg/m³
O3 0.055 ppm
NO2 0.1 ppb
SO2 0.1 ppb
CO 0.10 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 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)
PM2.50.82 µg/m³
PM102.34 µg/m³
O3107.12 µg/m³
NO20.14 µg/m³
SO20.36 µg/m³
CO119.06 µg/m³
NH30 µg/m³
NO0.02 µg/m³