Today | Weather | Monday, September 14, 2026

Weather in Santa Clarita, California

02:40 PM
Now
Sunny Weather
91° F
Feels Like 93°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 5
Humidity 32 %
Today
Sunny Weather
Day 91°
Night 61°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 7

Santa Clarita Weather Forecast Updated

18 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 14, 2025)
Sunny Weather

Day

90°

Night

59°

Wind

5 mph

UV Index

70

Precipitation

0 %

Air Quality in Santa Clarita

NOW
56 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 10.19 µg/m³
PM10 26.97 µg/m³
O3 0.056 ppm
NO2 0.3 ppb
SO2 0.6 ppb
CO 0.17 ppm
NH3 0 µg/m³
NO 0.07 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)
PM2.510.19 µg/m³
PM1026.97 µg/m³
O3109.9 µg/m³
NO20.53 µg/m³
SO21.52 µg/m³
CO191.66 µg/m³
NH30 µg/m³
NO0.07 µg/m³