Hourly Weather Forecast for Chapel Hill, North Carolina

Hourly Weather | Today › Friday, July 3, 2026

Active Weather Warnings

Heat Advisory

Chapel Hill, North Carolina

1 AM

81°

Feels Like 84°

Humidity: 69%

UV Index: 0

Wind: 5 mph

2 AM

81°

Feels Like 82°

Humidity: 71%

UV Index: 0

Wind: 5 mph

3 AM

79°

Feels Like 82°

Humidity: 73%

UV Index: 0

Wind: 5 mph

4 AM

77°

Feels Like 81°

Humidity: 77%

UV Index: 0

Wind: 5 mph

5 AM

75°

Feels Like 79°

Humidity: 80%

UV Index: 0

Wind: 5 mph

6 AM

73°

Feels Like 75°

Humidity: 87%

UV Index: 0

Wind: 5 mph

7 AM

75°

Feels Like 81°

Humidity: 79%

UV Index: 1

Wind: 6 mph

8 AM

79°

Feels Like 86°

Humidity: 73%

UV Index: 2

Wind: 6 mph

9 AM

84°

Feels Like 91°

Humidity: 62%

UV Index: 3

Wind: 6 mph

10 AM

90°

Feels Like 100°

Humidity: 53%

UV Index: 5

Wind: 6 mph

11 AM

93°

Feels Like 106°

Humidity: 47%

UV Index: 8

Wind: 6 mph

12 PM

97°

Feels Like 109°

Humidity: 42%

UV Index: 11

Wind: 6 mph

1 PM

99°

Feels Like 111°

Humidity: 37%

UV Index: 11

Wind: 6 mph

2 PM

102°

Feels Like 111°

Humidity: 33%

UV Index: 11

Wind: 6 mph

3 PM

102°

Feels Like 111°

Humidity: 31%

UV Index: 8

Wind: 7 mph

4 PM

102°

Feels Like 108°

Humidity: 30%

UV Index: 5

Wind: 7 mph

5 PM

102°

Feels Like 106°

Humidity: 30%

UV Index: 3

Wind: 7 mph

6 PM

100°

Feels Like 102°

Humidity: 31%

UV Index: 2

Wind: 7 mph

7 PM

99°

Feels Like 100°

Humidity: 35%

UV Index: 1

Wind: 7 mph

8 PM

95°

Feels Like 97°

Humidity: 41%

UV Index: 0

Wind: 6 mph

9 PM

91°

Feels Like 93°

Humidity: 46%

UV Index: 0

Wind: 6 mph

10 PM

90°

Feels Like 91°

Humidity: 51%

UV Index: 0

Wind: 6 mph

11 PM

86°

Feels Like 88°

Humidity: 56%

UV Index: 0

Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 AM

33 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.9 µg/m³
PM₁₀: 10 µg/m³
O₃: 0.035 ppm
NO₂: 1.5 ppb
SO₂: 0.8 ppb
CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 AM

31 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.54 µg/m³
PM₁₀: 10.02 µg/m³
O₃: 0.033 ppm
NO₂: 1.5 ppb
SO₂: 0.9 ppb
CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 AM

27 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.35 µg/m³
PM₁₀: 10.04 µg/m³
O₃: 0.030 ppm
NO₂: 1.4 ppb
SO₂: 0.8 ppb
CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 AM

24 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.32 µg/m³
PM₁₀: 10.23 µg/m³
O₃: 0.026 ppm
NO₂: 1.5 ppb
SO₂: 0.6 ppb
CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 AM

20 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.33 µg/m³
PM₁₀: 10.51 µg/m³
O₃: 0.022 ppm
NO₂: 1.6 ppb
SO₂: 0.5 ppb
CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 AM

18 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 4.37 µg/m³
PM₁₀: 10.82 µg/m³
O₃: 0.019 ppm
NO₂: 1.6 ppb
SO₂: 0.4 ppb
CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 AM

19 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 4.45 µg/m³
PM₁₀: 11.19 µg/m³
O₃: 0.018 ppm
NO₂: 2 ppb
SO₂: 0.4 ppb
CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 AM

19 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 4.6 µg/m³
PM₁₀: 11.68 µg/m³
O₃: 0.019 ppm
NO₂: 2.1 ppb
SO₂: 0.5 ppb
CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 AM

22 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.76 µg/m³
PM₁₀: 12.13 µg/m³
O₃: 0.024 ppm
NO₂: 1.7 ppb
SO₂: 0.7 ppb
CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM

26 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 4.96 µg/m³
PM₁₀: 12.43 µg/m³
O₃: 0.028 ppm
NO₂: 1.4 ppb
SO₂: 0.7 ppb
CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM

34 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 5.59 µg/m³
PM₁₀: 13.09 µg/m³
O₃: 0.037 ppm
NO₂: 1.1 ppb
SO₂: 0.7 ppb
CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM

46 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.3 µg/m³
PM₁₀: 13.41 µg/m³
O₃: 0.050 ppm
NO₂: 0.4 ppb
SO₂: 0.7 ppb
CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM

47 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.17 µg/m³
PM₁₀: 11.91 µg/m³
O₃: 0.051 ppm
NO₂: 0.3 ppb
SO₂: 0.5 ppb
CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM

46 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.53 µg/m³
PM₁₀: 10.55 µg/m³
O₃: 0.050 ppm
NO₂: 0.3 ppb
SO₂: 0.4 ppb
CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM

47 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.18 µg/m³
PM₁₀: 9.84 µg/m³
O₃: 0.050 ppm
NO₂: 0.3 ppb
SO₂: 0.4 ppb
CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM

47 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.21 µg/m³
PM₁₀: 9.87 µg/m³
O₃: 0.050 ppm
NO₂: 0.3 ppb
SO₂: 0.3 ppb
CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM

47 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.18 µg/m³
PM₁₀: 9.76 µg/m³
O₃: 0.051 ppm
NO₂: 0.3 ppb
SO₂: 0.3 ppb
CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM

46 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.15 µg/m³
PM₁₀: 9.67 µg/m³
O₃: 0.050 ppm
NO₂: 0.6 ppb
SO₂: 0.3 ppb
CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM

45 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.16 µg/m³
PM₁₀: 9.63 µg/m³
O₃: 0.049 ppm
NO₂: 1 ppb
SO₂: 0.2 ppb
CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM

43 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.21 µg/m³
PM₁₀: 9.59 µg/m³
O₃: 0.047 ppm
NO₂: 1.3 ppb
SO₂: 0.2 ppb
CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM

42 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.38 µg/m³
PM₁₀: 9.62 µg/m³
O₃: 0.045 ppm
NO₂: 1.5 ppb
SO₂: 0.3 ppb
CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM

41 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.59 µg/m³
PM₁₀: 9.73 µg/m³
O₃: 0.044 ppm
NO₂: 1.5 ppb
SO₂: 0.5 ppb
CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM

40 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 6.47 µg/m³
PM₁₀: 9.55 µg/m³
O₃: 0.043 ppm
NO₂: 1.6 ppb
SO₂: 0.8 ppb
CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Current Real-Time Air Quality Report

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.

+ Read More

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

Hourly Air Quality Forecast - AQI (US EPA)

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Weather Alerts and Warnings for Chapel Hill

Heat Advisory

Explore U.S. Weather Trends