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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:36 pm CDT May 27, 2026
 
Overnight

Overnight: A 30 percent chance of showers, mainly between 1am and 5am. Areas of fog after 2am. Otherwise, mostly cloudy, with a low around 67. Calm wind.
Low: 67 °F		 Thursday

Thursday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 83. Calm wind becoming north northeast around 5 mph in the afternoon.
High: 83 °F		 Thursday
Night
Thursday Night: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63. East northeast wind around 5 mph.
Low: 63 °F		 Friday

Friday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 80. East northeast wind around 5 mph. Chance of precipitation is 60%.
High: 80 °F		 Friday
Night
Friday Night: A chance of showers and thunderstorms. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 50%.
Low: 63 °F		 Saturday

Saturday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 80. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 60%.
High: 80 °F		 Saturday
Night
Saturday Night: Partly cloudy, with a low around 61. North northeast wind around 5 mph becoming calm in the evening.
Low: 61 °F		 Sunday

Sunday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. East northeast wind around 5 mph becoming north in the afternoon. Chance of precipitation is 40%.
High: 80 °F		 Sunday
Night
Sunday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%.
Low: 60 °F
Chance
Showers and
Areas Fog

 Chance
Showers and
Patchy Fog
then Chance
T-storms
 Chance
T-storms then
Partly Cloudy

 Chance
Showers then
Showers
Likely
 Chance
Showers and
Patchy Fog

 Showers
Likely and
Patchy Fog

 Partly Cloudy


 Chance
Showers

 Slight Chance
T-storms then
Chance
Showers

 

Overnight
 
 A 30 percent chance of showers, mainly between 1am and 5am. Areas of fog after 2am. Otherwise, mostly cloudy, with a low around 67. Calm wind.
Thursday
 
 A 30 percent chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 83. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
 
 A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63. East northeast wind around 5 mph.
Friday
 
 A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 80. East northeast wind around 5 mph. Chance of precipitation is 60%.
Friday Night
 
 A chance of showers and thunderstorms. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 50%.
Saturday
 
 A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 80. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
 
 Partly cloudy, with a low around 61. North northeast wind around 5 mph becoming calm in the evening.
Sunday
 
 A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. East northeast wind around 5 mph becoming north in the afternoon. Chance of precipitation is 40%.
Sunday Night
 
 A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%.
Monday
 
 A 20 percent chance of showers. Partly sunny, with a high near 81.
Monday Night
 
 A 20 percent chance of showers. Partly cloudy, with a low around 58.
Tuesday
 
 Sunny, with a high near 79.
Tuesday Night
 
 Mostly clear, with a low around 56.
Wednesday
 
 Sunny, with a high near 79.

 

Forecast from NOAA-NWS for Watertown TN.