Today | Weather | Tuesday, October 21, 2025

Active Weather Warnings

Special Weather Statement

Weather in Cary, North Carolina

10:08 PM

Now

66° F

Feels Like 63°

Precipitation 42 %

Wind 7 mph

Humidity 54 %

Today

Day 75°

Night 50°

Precipitation 55 %

Wind 6 mph

Cary Weather Forecast Updated

33 minutes ago

Last updated on October 21, 2025 9:35 PM

Weather Forecast History

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

Day

77°

Night

43°

Wind

4 mph

Precipitation

Air Quality in Cary

NOW

44 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 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

PM_2.5 – 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)

PM_2.5 – 4.25 µg/m³

PM₁₀ – 5.15 µg/m³

O₃ – 93.41 µg/m³

NO₂ – 3.07 µg/m³

SO₂ – 2.09 µg/m³

CO – 122.68 µg/m³

NH₃ – 1.44 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

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