Today | Weather | Friday, July 3, 2026

Active Weather Warnings

Heat Advisory

Weather in Chapel Hill, North Carolina

12:30 AM

Now

82° F

Feels Like 86°

Precipitation 0 %

Wind 5 mph

Humidity 67 %

Today

Day 102°

Night 73°

Precipitation 1 %

Wind 6 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 July 02, 2026 at 11:17 PM

Air Quality in Chapel Hill

NOW

35 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 5.47 µg/m³

PM₁₀ 10.22 µg/m³

O₃ 0.038 ppm

NO₂ 1.4 ppb

SO₂ 0.6 ppb

CO 0.10 ppm

NH₃ 2.46 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 – 5.47 µg/m³

PM₁₀ – 10.22 µg/m³

O₃ – 75.07 µg/m³

NO₂ – 2.71 µg/m³

SO₂ – 1.63 µg/m³

CO – 116.51 µg/m³

NH₃ – 2.46 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Chapel Hill

Moderate Expected Likely

Heat Advisory

Heat Advisory issued July 2 at 8:10PM EDT until July 3 at 8:00PM EDT by NWS Raleigh NC

Jul 3, 12:00 PM → Jul 3, 8:00 PM

WHAT: Heat index values up to 107 expected.

WHERE: The Piedmont of central North Carolina, as well as
portions of the Sandhills and northern Coastal Plain.

WHEN: From noon to 8 PM EDT Friday.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.

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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Updated: Jul 2, 11:17 PM Source: NWS Alert