Hourly Weather | Today Tuesday, July 21, 2026
Active Weather Warnings
Franklin, Tennessee
4 AM
Cloudy Night
75°
Feels Like 81°
6
Humidity: 97%
UV Index: 0
Wind: 6 mph
5 AM
Cloudy Night
73°
Feels Like 81°
6
Humidity: 100%
UV Index: 0
Wind: 6 mph
6 AM
Cloudy Weather
75°
Feels Like 81°
6
Humidity: 97%
UV Index: 0
Wind: 6 mph
7 AM
Cloudy Weather
77°
Feels Like 84°
4
Humidity: 92%
UV Index: 1
Wind: 6 mph
8 AM
Cloudy Weather
79°
Feels Like 90°
2
Humidity: 88%
UV Index: 2
Wind: 7 mph
9 AM
Cloudy Weather
82°
Feels Like 93°
2
Humidity: 82%
UV Index: 3
Wind: 8 mph
10 AM
Cloudy Weather
84°
Feels Like 99°
3
Humidity: 76%
UV Index: 4
Wind: 8 mph
11 AM
Cloudy Weather
88°
Feels Like 102°
4
Humidity: 71%
UV Index: 7
Wind: 8 mph
12 PM
Cloudy Weather
90°
Feels Like 106°
4
Humidity: 66%
UV Index: 9
Wind: 9 mph
1 PM
Cloudy Weather
91°
Feels Like 108°
7
Humidity: 63%
UV Index: 10
Wind: 9 mph
2 PM
Cloudy Weather
91°
Feels Like 108°
19
Humidity: 60%
UV Index: 9
Wind: 9 mph
3 PM
Cloudy Weather
93°
Feels Like 108°
19
Humidity: 57%
UV Index: 6
Wind: 9 mph
4 PM
Cloudy Weather
91°
Feels Like 106°
24
Humidity: 59%
UV Index: 4
Wind: 9 mph
5 PM
Cloudy Weather
91°
Feels Like 102°
43
Humidity: 62%
UV Index: 3
Wind: 8 mph
6 PM
Cloudy Weather
90°
Feels Like 100°
47
Humidity: 67%
UV Index: 2
Wind: 8 mph
7 PM
Sunny with a Chance of Thunderstorms
86°
Feels Like 93°
51
Humidity: 74%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Weather
84°
Feels Like 93°
49
Humidity: 77%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
82°
Feels Like 91°
49
Humidity: 80%
UV Index: 0
Wind: 7 mph
10 PM
Stormy Weather
79°
Feels Like 82°
65
Humidity: 86%
UV Index: 0
Wind: 6 mph
11 PM
Stormy Weather
79°
Feels Like 81°
57
Humidity: 87%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 AM
19 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.52 µg/m³
  • PM10: 6.73 µg/m³
  • O3: 0.016 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

5 AM
23 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.54 µg/m³
  • PM10: 7.89 µg/m³
  • O3: 0.016 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

6 AM
28 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.72 µg/m³
  • PM10: 9.12 µg/m³
  • O3: 0.016 ppm
  • NO2: 1.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

7 AM
33 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.84 µg/m³
  • PM10: 10.19 µg/m³
  • O3: 0.018 ppm
  • NO2: 1.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

8 AM
33 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.01 µg/m³
  • PM10: 10.02 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

9 AM
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.2 µg/m³
  • PM10: 8.94 µg/m³
  • O3: 0.025 ppm
  • NO2: 1.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.11 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.31 µg/m³
  • PM10: 7.83 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

11 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.06 µg/m³
  • PM10: 4.69 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.7 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
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.06 µg/m³
  • PM10: 3.43 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.5 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
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.64 µg/m³
  • PM10: 2.94 µg/m³
  • O3: 0.037 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
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.36 µg/m³
  • PM10: 2.63 µg/m³
  • O3: 0.037 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
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.11 µg/m³
  • PM10: 2.36 µg/m³
  • O3: 0.037 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.

4 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.89 µg/m³
  • PM10: 2.12 µg/m³
  • O3: 0.037 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
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.74 µg/m³
  • PM10: 1.98 µg/m³
  • O3: 0.037 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
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.71 µg/m³
  • PM10: 1.98 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

7 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.74 µg/m³
  • PM10: 2.04 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

8 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.85 µg/m³
  • PM10: 2.27 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

9 PM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.04 µg/m³
  • PM10: 2.65 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

10 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.24 µg/m³
  • PM10: 3.03 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

11 PM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.4 µg/m³
  • PM10: 3.34 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Franklin

Severe Future Possible

Flood Watch

Flood Watch issued July 21 at 2:44AM CDT until July 22 at 7:00AM CDT by NWS Nashville TN
Jul 21, 6:00 PM Jul 22, 7:00 AM
WHAT: Flooding caused by excessive rainfall is possible.

WHERE: A portion of Middle Tennessee, including the following
counties, Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland,
Davidson, De Kalb, Dickson, Fentress, Giles, Hickman, Humphreys,
Jackson, Lawrence, Lewis, Macon, Marshall, Maury, Overton, Perry,
Pickett, Putnam, Rutherford, Smith, Sumner, Trousdale, Van Buren,
Warren, Wayne, White, Williamson and Wilson.

WHEN: From this evening through Wednesday morning.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

ADDITIONAL DETAILS:
- Thunderstorms with locally torrential downpours will develop
across Middle Tennessee this evening. Some areas could have
several inches of rain resulting in flash flooding.
- http://www.weather.gov/safety/flood
+ Read More
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Updated: Jul 21, 2:51 AM Source: NWS Alert
Moderate Expected Likely

Heat Advisory

Heat Advisory issued July 20 at 7:15PM CDT until July 21 at 8:00PM CDT by NWS Nashville TN
Jul 20, 7:15 PM Jul 21, 8:00 PM
WHAT: Heat index values up to 110.

WHERE: A portion of Middle Tennessee.

WHEN: Until 8 PM CDT Tuesday.

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: Jul 21, 2:51 AM Source: NWS Alert