National Weather Service Forecast for: Nashville TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 am CDT Aug 20, 2026
 
Overnight

Overnight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. North northwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Heavy Rain

 Thursday

Thursday: Showers and thunderstorms likely, mainly before noon. Partly sunny, with a high near 92. Heat index values as high as 106. East southeast wind around 5 mph becoming west northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Chance
T-storms
 Thursday
Night
Thursday Night: A 20 percent chance of showers and thunderstorms before 10pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 72. North wind around 5 mph becoming calm in the evening.
Slight Chance
T-storms then
Patchy Fog
 Friday

Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 91. Heat index values as high as 101. Light northwest wind becoming north northwest 5 to 10 mph in the afternoon.
Patchy Fog
then Mostly
Sunny
 Friday
Night
Friday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 68. North northwest wind around 5 mph becoming calm in the evening.
Mostly Clear
then Patchy
Fog
 Saturday

Saturday: Areas of fog before 8am. Otherwise, sunny, with a high near 93. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Areas Fog
then Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 69. North northwest wind around 5 mph becoming calm in the evening.
Mostly Clear

 Sunday

Sunday: Sunny, with a high near 90. Light north wind increasing to 5 to 10 mph in the afternoon.
Sunny

 Sunday
Night
Sunday Night: Partly cloudy, with a low around 65. North wind around 5 mph becoming calm in the evening.
Partly Cloudy
Lo 73 °F Hi 92 °F Lo 72 °F Hi 91 °F Lo 68 °F Hi 93 °F Lo 69 °F Hi 90 °F Lo 65 °F

Severe Thunderstorm Watch
 

Overnight
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. North northwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
 
 Showers and thunderstorms likely, mainly before noon. Partly sunny, with a high near 92. Heat index values as high as 106. East southeast wind around 5 mph becoming west northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
 A 20 percent chance of showers and thunderstorms before 10pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 72. North wind around 5 mph becoming calm in the evening.
Friday
 
 Patchy fog before 9am. Otherwise, mostly sunny, with a high near 91. Heat index values as high as 101. Light northwest wind becoming north northwest 5 to 10 mph in the afternoon.
Friday Night
 
 Patchy fog after 2am. Otherwise, mostly clear, with a low around 68. North northwest wind around 5 mph becoming calm in the evening.
Saturday
 
 Areas of fog before 8am. Otherwise, sunny, with a high near 93. Light and variable wind becoming northwest 5 to 10 mph in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 69. North northwest wind around 5 mph becoming calm in the evening.
Sunday
 
 Sunny, with a high near 90. Light north wind increasing to 5 to 10 mph in the afternoon.
Sunday Night
 
 Partly cloudy, with a low around 65. North wind around 5 mph becoming calm in the evening.
Monday
 
 Mostly sunny, with a high near 89.
Monday Night
 
 Partly cloudy, with a low around 67.
Tuesday
 
 A 20 percent chance of showers. Sunny, with a high near 92.
Tuesday Night
 
 A 20 percent chance of showers. Partly cloudy, with a low around 69.
Wednesday
 
 A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.

 

Forecast from NOAA-NWS for Nashville TN.