Today | Weather | Thursday, August 6, 2026

Weather in Roseville, California

03:21 PM
Now
Sunny Weather
97° F
Feels Like 102°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 6
Humidity 21 %
Today
Sunny Weather
Day 100°
Night 64°
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.

Roseville Weather Forecast Updated

5 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 6, 2025)
Cloudy Night

Day

95°

Night

66°

Wind

6 mph

Precipitation

0 %

Air Quality in Roseville

NOW
163 AQI
Unhealthy air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 40.62 µg/m³
PM10 50.9 µg/m³
O3 0.090 ppm
NO2 2.1 ppb
SO2 1.3 ppb
CO 0.25 ppm
NH3 0.63 µg/m³
NO 0.49 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:

Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.

Show raw pollutant concentrations (µg/m³)
PM2.540.62 µg/m³
PM1050.9 µg/m³
O3177.45 µg/m³
NO24.03 µg/m³
SO23.36 µg/m³
CO289.9 µg/m³
NH30.63 µg/m³
NO0.49 µg/m³