National Weather Service Forecast for: Gallatin TN
Issued by: National Weather Service Nashville, TN
Updated: 10:06 pm CST Dec 16, 2025
 
Tonight

Tonight: Mostly cloudy, with a low around 34. South wind 5 to 10 mph.
Mostly Cloudy

Wednesday

Wednesday: A slight chance of rain and snow showers before 9am, then a slight chance of rain showers between 9am and 11am.  Mostly cloudy, with a high near 53. South southwest wind around 5 mph.  Chance of precipitation is 20%.
Slight Chance
Rain/Snow
then Partly
Sunny
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 42. South southeast wind 5 to 10 mph.
Partly Cloudy

Thursday

Thursday: Showers, with thunderstorms also possible after 3pm.  High near 59. South wind 10 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%.
Showers

Thursday
Night
Thursday Night: Showers and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and midnight.  Low around 30. South southwest wind 15 to 20 mph becoming west northwest 5 to 10 mph after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 100%.
Showers then
Mostly Clear

Friday

Friday: Sunny, with a high near 42. West northwest wind around 5 mph.
Sunny

Friday
Night
Friday Night: Mostly clear, with a low around 29. Calm wind becoming south around 5 mph after midnight.
Mostly Clear

Saturday

Saturday: Sunny, with a high near 56. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunny

Saturday
Night
Saturday Night: A 20 percent chance of showers after midnight.  Partly cloudy, with a low around 39. South southwest wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.
Partly Cloudy
then Slight
Chance
Showers
Lo 34 °F Hi 53 °F Lo 42 °F Hi 59 °F Lo 30 °F Hi 42 °F Lo 29 °F Hi 56 °F Lo 39 °F

 

Tonight
 
Mostly cloudy, with a low around 34. South wind 5 to 10 mph.
Wednesday
 
A slight chance of rain and snow showers before 9am, then a slight chance of rain showers between 9am and 11am. Mostly cloudy, with a high near 53. South southwest wind around 5 mph. Chance of precipitation is 20%.
Wednesday Night
 
Partly cloudy, with a low around 42. South southeast wind 5 to 10 mph.
Thursday
 
Showers, with thunderstorms also possible after 3pm. High near 59. South wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Thursday Night
 
Showers and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and midnight. Low around 30. South southwest wind 15 to 20 mph becoming west northwest 5 to 10 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%.
Friday
 
Sunny, with a high near 42. West northwest wind around 5 mph.
Friday Night
 
Mostly clear, with a low around 29. Calm wind becoming south around 5 mph after midnight.
Saturday
 
Sunny, with a high near 56. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
 
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 39. South southwest wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.
Sunday
 
A 20 percent chance of showers. Partly sunny, with a high near 55.
Sunday Night
 
A 20 percent chance of showers. Mostly cloudy, with a low around 38.
Monday
 
Partly sunny, with a high near 58.
Monday Night
 
A 20 percent chance of showers. Mostly cloudy, with a low around 44.
Tuesday
 
A 20 percent chance of showers. Mostly cloudy, with a high near 60.

 

Forecast from NOAA-NWS for Gallatin TN.