Today | Weather | Friday, October 30, 2026

Weather in Cary, North Carolina

12:59 AM
Now
Night
55° F
Feels Like 57°
Precipitation 0 %
Wind 4 mph
Humidity 99 %
Today
Cloudy Weather
Day 82°
Night 52°
Precipitation 1 %
Wind 6 mph
UV Index (0 - 11+) 4

Cary Weather Forecast Updated

18 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 30, 2025)
Night

Day

63°

Night

45°

Wind

8 mph

Precipitation

1 %

Air Quality in Cary

NOW
20 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 4.81 µg/m³
PM10 9.94 µg/m³
O3 0.018 ppm
NO2 3.7 ppb
SO2 0 ppb
CO 0.15 ppm
NH3 1.49 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 4.81 µg/m³
PM10 – 9.94 µg/m³
O3 – 35.46 µg/m³
NO2 – 6.99 µg/m³
SO2 – 0.11 µg/m³
CO – 176.81 µg/m³
NH3 – 1.49 µg/m³
NO – 0 µg/m³