Today | Weather | Wednesday, February 25, 2026

Weather in Roseville, California

11:48 PM
Now
Cloudy Night
55° F
Feels Like 54°
Precipitation 2 %
Wind 6 mph
Humidity 96 %
Today
Cloudy Weather
Day 70°
Night 48°
Precipitation 5 %
Wind 8 mph
UV Index (0 - 11+) 4

Roseville Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 25, 2025)
Cloudy Weather

Day

66°

Night

39°

Wind

8 mph

UV Index

4

Precipitation

0 %

Air Quality in Roseville

NOW
56 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 14.74 µg/m³
PM10 21.58 µg/m³
O3 0.002 ppm
NO2 19.9 ppb
SO2 0.5 ppb
CO 0.35 ppm
NH3 1.3 µg/m³
NO 8.55 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)
PM2.514.74 µg/m³
PM1021.58 µg/m³
O33.64 µg/m³
NO237.47 µg/m³
SO21.18 µg/m³
CO402.85 µg/m³
NH31.3 µg/m³
NO8.55 µg/m³