Today | Weather | Tuesday, October 21, 2025
Active Weather Warnings

Weather in Cary, North Carolina

10:08 PM
Now
Rainy Weather
66° F
Feels Like 63°
Precipitation 42 %
Wind 7 mph
Humidity 54 %
Today
Cloudy Night
Day 75°
Night 50°
Precipitation 55 %
Wind 6 mph

Cary Weather Forecast Updated

33 minutes ago
Last updated on

Weather Forecast History

Last Year's Weather on This Day (October 21, 2024)

Night

Day

77°

Night

43°

Wind

4 mph

Precipitation

2

Air Quality in Cary

NOW
44 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.25 µg/m³
PM10 5.15 µg/m³
O3 0.048 ppm
NO2 1.6 ppb
SO2 0.8 ppb
CO 0.11 ppm
NH3 1.44 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)
PM2.54.25 µg/m³
PM105.15 µg/m³
O393.41 µg/m³
NO23.07 µg/m³
SO22.09 µg/m³
CO122.68 µg/m³
NH31.44 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Cary

Moderate Expected Observed

Special Weather Statement

Special Weather Statement issued October 21 at 12:48PM EDT by NWS Raleigh NC
Oct 21, 12:48 PM Oct 22, 7:00 PM
The combination of westerly winds gusting to 20-25 mph, with
infrequent gusts to 30 mph, relative humidity levels between 25 and
30 percent, and prolonged dryness, an increased fire danger
statement is now in effect for all of central NC on Wednesday from
11 am to 7 pm. Outdoor burning is strongly discouraged.
Updated: Oct 21, 9:35 PM Source: NWS Alert