Today | Weather | Monday, July 20, 2026
Active Weather Warnings

Weather in Nashville, Tennessee

04:22 PM
Now
Cloudy Weather
91° F
Feels Like 106°
Precipitation 40 %
Wind 6 mph
UV Index (0 - 11+) 5
Humidity 59 %
Today
Sunny with a Chance of Thunderstorms
Day 97°
Night 75°
Precipitation 55 %
Wind 5 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Nashville Weather Forecast Updated

46 minutes ago
Last updated on

Air Quality in Nashville

NOW
34 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.92 µg/m³
PM10 3.21 µg/m³
O3 0.037 ppm
NO2 0.3 ppb
SO2 0.2 ppb
CO 0.09 ppm
NH3 0.56 µg/m³
NO 0.08 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)
PM2.52.92 µg/m³
PM103.21 µg/m³
O371.71 µg/m³
NO20.61 µg/m³
SO20.46 µg/m³
CO98.13 µg/m³
NH30.56 µg/m³
NO0.08 µg/m³

Weather Alerts and Warnings for Nashville

Moderate Expected Likely

Heat Advisory

Heat Advisory issued July 20 at 11:23AM CDT until July 21 at 8:00PM CDT by NWS Nashville TN
Jul 20, 11:23 AM 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 20, 3:36 PM Source: NWS Alert