National Weather Service Forecast for: Smyrna TN
Issued by: National Weather Service Nashville, TN
Updated: 3:21 pm CDT Sep 12, 2026
 
Tonight

Tonight: Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly clear, with a low around 68. West wind around 5 mph becoming calm in the evening.
Mostly Clear
then Patchy
Fog
 Sunday

Sunday: Areas of fog before 9am. Otherwise, sunny, with a high near 94. Heat index values as high as 99. Calm wind becoming north around 5 mph in the afternoon.
Areas Fog
then Sunny
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 70. East wind around 5 mph becoming calm.
Partly Cloudy

 Monday

Monday: Sunny, with a high near 93. Heat index values as high as 100. Light northeast wind increasing to 5 to 10 mph in the morning.
Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 69. Northeast wind around 5 mph becoming calm after midnight.
Mostly Clear

 Tuesday

Tuesday: Sunny and hot, with a high near 97. Calm wind becoming south around 5 mph in the morning.
Hot

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 72. South southeast wind around 5 mph.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 96. South wind 5 to 10 mph.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 71. East southeast wind around 5 mph becoming calm in the evening.
Mostly Clear
Lo 68 °F Hi 94 °F Lo 70 °F Hi 93 °F Lo 69 °F Hi 97 °F Lo 72 °F Hi 96 °F Lo 71 °F

 

Tonight
 
 Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly clear, with a low around 68. West wind around 5 mph becoming calm in the evening.
Sunday
 
 Areas of fog before 9am. Otherwise, sunny, with a high near 94. Heat index values as high as 99. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
 
 Partly cloudy, with a low around 70. East wind around 5 mph becoming calm.
Monday
 
 Sunny, with a high near 93. Heat index values as high as 100. Light northeast wind increasing to 5 to 10 mph in the morning.
Monday Night
 
 Mostly clear, with a low around 69. Northeast wind around 5 mph becoming calm after midnight.
Tuesday
 
 Sunny and hot, with a high near 97. Calm wind becoming south around 5 mph in the morning.
Tuesday Night
 
 Mostly clear, with a low around 72. South southeast wind around 5 mph.
Wednesday
 
 Sunny, with a high near 96. South wind 5 to 10 mph.
Wednesday Night
 
 Mostly clear, with a low around 71. East southeast wind around 5 mph becoming calm in the evening.
Thursday
 
 Sunny, with a high near 95.
Thursday Night
 
 Mostly clear, with a low around 70.
Friday
 
 Sunny, with a high near 93.
Friday Night
 
 Partly cloudy, with a low around 69.
Saturday
 
 A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.

 

Forecast from NOAA-NWS for Smyrna TN.