Today | Weather | Wednesday, October 22, 2025
Active Weather Warnings

Weather in Chapel Hill, North Carolina

07:01 AM
Now
Night
52° F
Feels Like 46°
Precipitation 0 %
Wind 8 mph
Humidity 85 %
Today
Sunny Weather
Day 72°
Night 41°
Precipitation 0 %
Wind 14 mph
UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11+

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Chapel Hill Weather Forecast Updated

Last updated on

Air Quality in Chapel Hill

NOW
27 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.01 µg/m³
PM10 6.51 µg/m³
O3 0.029 ppm
NO2 1.7 ppb
SO2 0.2 ppb
CO 0.12 ppm
NH3 1.19 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)
PM2.55.01 µg/m³
PM106.51 µg/m³
O356.88 µg/m³
NO23.28 µg/m³
SO20.52 µg/m³
CO138.76 µg/m³
NH31.19 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Chapel Hill

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 22, 5:27 AM Source: NWS Alert