Today | Weather | Tuesday, April 28, 2026

Weather in Cary, North Carolina

01:00 AM
Now
Night
54° F
Feels Like 52°
Precipitation 0 %
Wind 6 mph
Humidity 70 %
Today
Cloudy Weather
Day 70°
Night 57°
Precipitation 25 %
Wind 6 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Cary Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 28, 2025)
Sunny Weather

Day

75°

Night

52°

Wind

4 mph

UV Index

10

Precipitation

0 %

Air Quality in Cary

NOW
36 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.04 µg/m³
PM10 4.64 µg/m³
O3 0.038 ppm
NO2 1.2 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 3.63 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)
PM2.52.04 µg/m³
PM104.64 µg/m³
O375.47 µg/m³
NO22.27 µg/m³
SO20.31 µg/m³
CO135.84 µg/m³
NH33.63 µg/m³
NO0 µg/m³