Today | Weather | Wednesday, April 15, 2026

Weather in Riverside, California

06:54 PM
Now
Cloudy Weather
72° F
Feels Like 70°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 0
Humidity 41 %
Today
Sunny Weather
Day 77°
Night 54°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

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.

Riverside Weather Forecast Updated

58 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 15, 2025)
Cloudy Weather

Day

68°

Night

54°

Wind

7 mph

UV Index

6

Precipitation

40 %

Air Quality in Riverside

NOW
63 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.85 µg/m³
PM10 14.55 µg/m³
O3 0.058 ppm
NO2 0.5 ppb
SO2 0.5 ppb
CO 0.13 ppm
NH3 0.32 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)
PM2.55.85 µg/m³
PM1014.55 µg/m³
O3114.01 µg/m³
NO20.85 µg/m³
SO21.38 µg/m³
CO144.26 µg/m³
NH30.32 µg/m³
NO0.02 µg/m³