Today | Weather | Friday, October 9, 2026

Weather in Cary, North Carolina

06:18 PM
Now
Cloudy Weather
75° F
Feels Like 72°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 0
Humidity 39 %
Today
Cloudy Weather
Day 81°
Night 64°
Precipitation 1 %
Wind 7 mph
UV Index (0 - 11+) 3

Cary Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 9, 2025)
Night

Day

70°

Night

54°

Wind

7 mph

Precipitation

1 %

Air Quality in Cary

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

Pollutant Concentrations:

PM2.5 18.68 µg/m³
PM10 20.23 µg/m³
O3 0.052 ppm
NO2 1.3 ppb
SO2 0.3 ppb
CO 0.14 ppm
NH3 1.74 µg/m³
NO 0.03 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 – 18.68 µg/m³
PM10 – 20.23 µg/m³
O3 – 102.2 µg/m³
NO2 – 2.42 µg/m³
SO2 – 0.81 µg/m³
CO – 159.62 µg/m³
NH3 – 1.74 µg/m³
NO – 0.03 µg/m³