National Weather Service Forecast for: Gallatin TN
Issued by: National Weather Service Nashville, TN
Updated: 5:21 am CDT May 26, 2026
 
Today

Today: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm.  High near 81. East wind 5 to 10 mph becoming south southwest in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers then
Showers
Likely
Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am.  Mostly cloudy, with a low around 66. South wind around 5 mph.
Slight Chance
T-storms then
Chance
Showers
Wednesday

Wednesday: Showers and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Cloudy, then gradually becoming mostly sunny, with a high near 83. Southwest wind 5 to 10 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely

Wednesday
Night
Wednesday Night: Showers and thunderstorms likely before 8pm, then a chance of showers after 1am.  Patchy fog after 9pm.  Otherwise, partly cloudy, with a low around 64. West wind around 5 mph becoming calm.  Chance of precipitation is 60%.
Showers
Likely and
Patchy Fog
Thursday

Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 83. Calm wind becoming northeast around 5 mph in the afternoon.  Chance of precipitation is 60%.
Showers
Likely and
Patchy Fog
Thursday
Night
Thursday Night: A slight chance of thunderstorms before 7pm.  Mostly cloudy, with a low around 63. Northeast wind around 5 mph.  Chance of precipitation is 10%.
Slight Chance
T-storms then
Mostly Cloudy
Friday

Friday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 81. East northeast wind around 5 mph.  Chance of precipitation is 40%.
Slight Chance
Showers then
Chance
T-storms
Friday
Night
Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 62. Northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 50%.
Chance
Showers

Saturday

Saturday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 80. Northeast wind 5 to 10 mph.
Chance
T-storms

Hi 81 °F Lo 66 °F Hi 83 °F Lo 64 °F Hi 83 °F Lo 63 °F Hi 81 °F Lo 62 °F Hi 80 °F

 

Today
 
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 81. East wind 5 to 10 mph becoming south southwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
 
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 66. South wind around 5 mph.
Wednesday
 
Showers and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 83. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
Showers and thunderstorms likely before 8pm, then a chance of showers after 1am. Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 64. West wind around 5 mph becoming calm. Chance of precipitation is 60%.
Thursday
 
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 83. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 60%.
Thursday Night
 
A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 63. Northeast wind around 5 mph. Chance of precipitation is 10%.
Friday
 
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. East northeast wind around 5 mph. Chance of precipitation is 40%.
Friday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Saturday
 
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Northeast wind 5 to 10 mph.
Saturday Night
 
A 20 percent chance of showers. Partly cloudy, with a low around 60.
Sunday
 
A 30 percent chance of showers. Mostly sunny, with a high near 79.
Sunday Night
 
A 20 percent chance of showers. Partly cloudy, with a low around 57.
Monday
 
Mostly sunny, with a high near 79.

 

Forecast from NOAA-NWS for Gallatin TN.