Today | Weather | Thursday, December 4, 2025

Weather in Cary, North Carolina

04:29 AM
Now
Cloudy Night
32° F
Feels Like 32°
Precipitation 0 %
Wind 5 mph
Humidity 86 %
Today
Cloudy Weather
Day 52°
Night 34°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 3

Cary Weather Forecast Updated

20 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 4, 2024)
Cloudy Night

Day

48°

Night

41°

Wind

14 mph

Precipitation

2 %

Air Quality in Cary

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

Pollutant Concentrations:

PM2.5 13.86 µg/m³
PM10 17.7 µg/m³
O3 0.016 ppm
NO2 7.8 ppb
SO2 0.1 ppb
CO 0.23 ppm
NH3 6.39 µg/m³
NO 0 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)
PM2.513.86 µg/m³
PM1017.7 µg/m³
O330.46 µg/m³
NO214.62 µg/m³
SO20.39 µg/m³
CO267.52 µg/m³
NH36.39 µg/m³
NO0 µg/m³