National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Nashville, Nashville International Airport (KBNA)

Lat: 36.12°NLon: 86.69°WElev: 597ft.

A Few Clouds

32°C

89°F

Humidity 48%
Wind Speed S 15 km/h
Barometer 1021.8 mb (30.20 in)
Dewpoint 19°C (67°F)
Visibility 16 km
Heat Index33°C (92°F)
Last update 15 Sep 9:53 am CDT
Extended Forecast for

Brentwood TN

Heat Advisory September 15, 11:00am until September 16, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny and hot, with a high near 37. Heat index values as high as 42. South southwest wind 10 to 15 km/h.

    High: 37 °C

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 24. South wind 10 to 15 km/h.

    Low: 24 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 36. Heat index values as high as 41. South wind 10 to 15 km/h becoming south southwest 5 to 10 km/h in the afternoon.

    High: 36 °C

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °C

    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 37. South southwest wind 5 to 10 km/h becoming north in the afternoon.

    High: 37 °C

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 23. Calm wind.

    Low: 23 °C

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 36. Calm wind becoming north northeast 5 to 10 km/h in the afternoon.

    High: 36 °C

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 22. Calm wind.

    Low: 22 °C

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 36. Calm wind becoming south southwest 5 to 10 km/h in the afternoon.

    High: 36 °C

    Hot

Detailed Forecast

Today
Sunny and hot, with a high near 37. Heat index values as high as 42. South southwest wind 10 to 15 km/h.
Tonight
Mostly clear, with a low around 24. South wind 10 to 15 km/h.
Wednesday
Sunny and hot, with a high near 36. Heat index values as high as 41. South wind 10 to 15 km/h becoming south southwest 5 to 10 km/h in the afternoon.
Wednesday Night
Partly cloudy, with a low around 24. Calm wind.
Thursday
Sunny and hot, with a high near 37. South southwest wind 5 to 10 km/h becoming north in the afternoon.
Thursday Night
Mostly clear, with a low around 23. Calm wind.
Friday
Sunny and hot, with a high near 36. Calm wind becoming north northeast 5 to 10 km/h in the afternoon.
Friday Night
Mostly clear, with a low around 22. Calm wind.
Saturday
Sunny and hot, with a high near 36. Calm wind becoming south southwest 5 to 10 km/h in the afternoon.
Saturday Night
Mostly clear, with a low around 22.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 34.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 21.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brentwood TN
 35.99°N 86.8°W (Elev. 702 m)
Last Update:
5:46 am CDT Sep 15, 2026
Forecast Valid:
9am CDT Sep 15, 2026-6pm CDT Sep 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation