Today | Weather | Tuesday, October 6, 2026
Active Weather Warnings

Weather in Roseville, California

11:49 AM
Now
Sunny Weather
91° F
Feels Like 95°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 4
Humidity 25 %
Today
Hot Day
Day 99°
Night 64°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 4

Roseville Weather Forecast Updated

26 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 6, 2025)
Night

Day

84°

Night

55°

Wind

5 mph

Precipitation

0 %

Air Quality in Roseville

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

Pollutant Concentrations:

PM2.5 15.98 µg/m³
PM10 28.48 µg/m³
O3 0.050 ppm
NO2 11.7 ppb
SO2 2.8 ppb
CO 0.24 ppm
NH3 1.69 µg/m³
NO 6.7 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)
PM2.5 – 15.98 µg/m³
PM10 – 28.48 µg/m³
O3 – 98.28 µg/m³
NO2 – 21.96 µg/m³
SO2 – 7.3 µg/m³
CO – 276.02 µg/m³
NH3 – 1.69 µg/m³
NO – 6.7 µg/m³

Weather Alerts and Warnings for Roseville

Moderate Expected Likely

Heat Advisory

Heat Advisory issued October 5 at 9:42AM PDT until October 9 at 10:00PM PDT by NWS Sacramento CA
Oct 5, 9:42 AM → Oct 9, 10:00 PM
WHAT: High temperatures of 94 to 102 degrees expected and
overnight low temperatures in the mid 60s to low 70s, with
widespread Moderate HeatRisk and areas of Major HeatRisk.

WHERE: The Sacramento and northern San Joaquin Valleys, Delta and
Carquinez Strait, and foothills.

WHEN: Until 10 PM PDT Friday.

IMPACTS: Hot temperatures may cause heat illnesses, especially to
anyone without effective cooling and/or adequate hydration.

ADDITIONAL DETAILS: Hottest days expected Monday through
Wednesday.
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Updated: Oct 6, 11:22 AM Source: NWS Alert