Hourly Weather Forecast for Nashville, Tennessee

Hourly Weather | Today › Wednesday, August 12, 2026

Active Weather Warnings

Heat Advisory

Nashville, Tennessee

8 AM

75°

Feels Like 84°

Humidity: 95%

UV Index: 2

Wind: 7 mph

9 AM

79°

Feels Like 90°

Humidity: 88%

UV Index: 3

Wind: 8 mph

10 AM

84°

Feels Like 95°

Humidity: 76%

UV Index: 4

Wind: 8 mph

11 AM

88°

Feels Like 100°

Humidity: 65%

UV Index: 6

Wind: 9 mph

12 PM

91°

Feels Like 102°

Humidity: 59%

UV Index: 8

Wind: 9 mph

1 PM

93°

Feels Like 106°

Humidity: 53%

UV Index: 9

Wind: 10 mph

2 PM

97°

Feels Like 108°

Humidity: 48%

UV Index: 8

Wind: 10 mph

3 PM

93°

Feels Like 100°

Humidity: 62%

UV Index: 2

Wind: 10 mph

4 PM

90°

Feels Like 99°

Humidity: 56%

UV Index: 4

Wind: 9 mph

5 PM

91°

Feels Like 99°

Humidity: 55%

UV Index: 2

Wind: 9 mph

6 PM

90°

Feels Like 97°

Humidity: 57%

UV Index: 2

Wind: 8 mph

7 PM

88°

Feels Like 93°

Humidity: 63%

UV Index: 1

Wind: 8 mph

8 PM

86°

Feels Like 91°

Humidity: 68%

UV Index: 0

Wind: 8 mph

9 PM

82°

Feels Like 90°

Humidity: 74%

UV Index: 0

Wind: 8 mph

10 PM

81°

Feels Like 86°

Humidity: 80%

UV Index: 0

Wind: 8 mph

11 PM

81°

Feels Like 86°

Humidity: 80%

UV Index: 0

Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 AM

11 AQI

Good air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 2.57 µg/m³
PM₁₀: 3.57 µg/m³
O₃: 0.012 ppm
NO₂: 1.5 ppb
SO₂: 0.3 ppb
CO: 0.10 ppm

Health Recommendations:

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

9 AM

13 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.57 µg/m³
PM₁₀: 3.55 µg/m³
O₃: 0.014 ppm
NO₂: 1.3 ppb
SO₂: 0.3 ppb
CO: 0.10 ppm

Health Recommendations:

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

10 AM

18 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.72 µg/m³
PM₁₀: 3.63 µg/m³
O₃: 0.020 ppm
NO₂: 1 ppb
SO₂: 0.3 ppb
CO: 0.10 ppm

Health Recommendations:

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

11 AM

27 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.89 µg/m³
PM₁₀: 3.58 µg/m³
O₃: 0.029 ppm
NO₂: 0.6 ppb
SO₂: 0.4 ppb
CO: 0.09 ppm

Health Recommendations:

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

12 PM

30 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.99 µg/m³
PM₁₀: 3.57 µg/m³
O₃: 0.032 ppm
NO₂: 0.4 ppb
SO₂: 0.3 ppb
CO: 0.09 ppm

Health Recommendations:

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

1 PM

31 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.92 µg/m³
PM₁₀: 3.42 µg/m³
O₃: 0.033 ppm
NO₂: 0.4 ppb
SO₂: 0.3 ppb
CO: 0.09 ppm

Health Recommendations:

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

2 PM

31 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.63 µg/m³
PM₁₀: 3.04 µg/m³
O₃: 0.033 ppm
NO₂: 0.4 ppb
SO₂: 0.3 ppb
CO: 0.09 ppm

Health Recommendations:

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

3 PM

30 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.38 µg/m³
PM₁₀: 2.74 µg/m³
O₃: 0.033 ppm
NO₂: 0.4 ppb
SO₂: 0.3 ppb
CO: 0.09 ppm

Health Recommendations:

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

4 PM

30 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.19 µg/m³
PM₁₀: 2.51 µg/m³
O₃: 0.033 ppm
NO₂: 0.4 ppb
SO₂: 0.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

5 PM

30 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.07 µg/m³
PM₁₀: 2.38 µg/m³
O₃: 0.032 ppm
NO₂: 0.5 ppb
SO₂: 0.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

6 PM

29 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2 µg/m³
PM₁₀: 2.34 µg/m³
O₃: 0.032 ppm
NO₂: 0.7 ppb
SO₂: 0.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

7 PM

29 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.92 µg/m³
PM₁₀: 2.28 µg/m³
O₃: 0.031 ppm
NO₂: 0.8 ppb
SO₂: 0.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

8 PM

27 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.91 µg/m³
PM₁₀: 2.37 µg/m³
O₃: 0.030 ppm
NO₂: 1 ppb
SO₂: 0.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

9 PM

25 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 1.99 µg/m³
PM₁₀: 2.63 µg/m³
O₃: 0.027 ppm
NO₂: 1.2 ppb
SO₂: 0.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

10 PM

22 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.09 µg/m³
PM₁₀: 2.92 µg/m³
O₃: 0.024 ppm
NO₂: 1.3 ppb
SO₂: 0.2 ppb
CO: 0.09 ppm

Health Recommendations:

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

11 PM

20 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.19 µg/m³
PM₁₀: 3.21 µg/m³
O₃: 0.022 ppm
NO₂: 1.4 ppb
SO₂: 0.1 ppb
CO: 0.09 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 Nashville

Moderate Expected Likely

Heat Advisory

Heat Advisory issued August 12 at 12:14AM CDT until August 14 at 9:00PM CDT by NWS Nashville TN

Aug 12, 12:14 AM → Aug 14, 9:00 PM

WHAT: Heat index values up to 108.

WHERE: A portion of Middle Tennessee.

WHEN: Until 9 PM CDT 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 up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Updated: Aug 12, 6:58 AM 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:

Weather Alerts and Warnings for Nashville

Heat Advisory

Explore U.S. Weather Trends