National Weather Service Forecast for: Gallatin TN
Issued by: National Weather Service Nashville, TN
Updated: 12:31 am CST Dec 23, 2025
 
Overnight

Overnight: A 40 percent chance of showers, mainly after 3am.  Cloudy, with a low around 50. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Chance
Showers
Tuesday

Tuesday: A 50 percent chance of showers, mainly after 3pm.  Cloudy, with a high near 63. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.  New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers
Tuesday
Night
Tuesday Night: A 40 percent chance of showers, mainly before midnight.  Cloudy, with a low around 57. Southwest wind around 5 mph becoming calm  in the evening.
Chance
Showers
Wednesday

Wednesday: A 30 percent chance of showers, mainly before 9am.  Mostly cloudy, with a high near 68. Calm wind becoming south around 5 mph in the afternoon.
Chance
Showers
Wednesday
Night
Wednesday Night: A slight chance of showers before 7pm, then a slight chance of showers after 10pm.  Mostly cloudy, with a low around 57. Southwest wind around 5 mph.  Chance of precipitation is 20%.
Slight Chance
Showers
Christmas
Day
Christmas Day: A 30 percent chance of showers, mainly after noon.  Mostly cloudy, with a high near 70. Southwest wind 5 to 10 mph.
Chance
Showers
Thursday
Night
Thursday Night: Mostly cloudy, with a low around 58. South southwest wind 5 to 10 mph.
Mostly Cloudy

Friday

Friday: A 20 percent chance of showers.  Mostly cloudy, with a high near 72. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Slight Chance
Showers
Friday
Night
Friday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 59. South southwest wind 5 to 10 mph.
Slight Chance
Showers then
Mostly Cloudy
Lo 50 °F Hi 63 °F Lo 57 °F Hi 68 °F Lo 57 °F Hi 70 °F Lo 58 °F Hi 72 °F Lo 59 °F

 

Overnight
 
A 40 percent chance of showers, mainly after 3am. Cloudy, with a low around 50. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
 
A 50 percent chance of showers, mainly after 3pm. Cloudy, with a high near 63. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
 
A 40 percent chance of showers, mainly before midnight. Cloudy, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
 
A 30 percent chance of showers, mainly before 9am. Mostly cloudy, with a high near 68. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
 
A slight chance of showers before 7pm, then a slight chance of showers after 10pm. Mostly cloudy, with a low around 57. Southwest wind around 5 mph. Chance of precipitation is 20%.
Christmas Day
 
A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 70. Southwest wind 5 to 10 mph.
Thursday Night
 
Mostly cloudy, with a low around 58. South southwest wind 5 to 10 mph.
Friday
 
A 20 percent chance of showers. Mostly cloudy, with a high near 72. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
 
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 59. South southwest wind 5 to 10 mph.
Saturday
 
Mostly cloudy, with a high near 74.
Saturday Night
 
A 20 percent chance of showers. Mostly cloudy, with a low around 48.
Sunday
 
A 30 percent chance of showers. Mostly cloudy, with a high near 56.
Sunday Night
 
A 20 percent chance of showers. Partly cloudy, with a low around 21.
Monday
 
Sunny, with a high near 31.

 

Forecast from NOAA-NWS for Gallatin TN.