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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 6:31 pm CDT May 24, 2026
 
Tonight

Tonight: A 30 percent chance of showers, mainly before 1am. Patchy fog before 2am, then patchy fog after 3am. Otherwise, cloudy, with a low around 63. Calm wind.
Low: 63 °F		 Memorial
Day
Memorial Day: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 5pm, then a chance of showers and thunderstorms after 5pm. Areas of fog between 8am and 11am. Otherwise, cloudy, with a high near 77. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
High: 77 °F		 Monday
Night
Monday Night: Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 4am, then showers likely and possibly a thunderstorm after 4am. Patchy fog before 1am, then patchy fog after 2am. Otherwise, cloudy, with a low around 64. East wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Low: 64 °F		 Tuesday

Tuesday: Showers and possibly a thunderstorm. High near 81. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.
High: 81 °F		 Tuesday
Night
Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. South wind around 5 mph becoming calm. Chance of precipitation is 60%.
Low: 65 °F		 Wednesday

Wednesday: Showers, with thunderstorms also possible after 10am. High near 82. South southwest wind around 5 mph. Chance of precipitation is 90%.
High: 82 °F		 Wednesday
Night
Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 20%.
Low: 64 °F		 Thursday

Thursday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. Calm wind becoming north northeast around 5 mph.
High: 84 °F		 Thursday
Night
Thursday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 65. Calm wind.
Low: 65 °F
Chance
Showers and
Patchy Fog
 Showers
Likely and
Areas Fog
 Showers
Likely and
Patchy Fog
 Showers

 Showers
Likely
 Showers

 Slight Chance
T-storms
 Chance
T-storms
 Slight Chance
Showers

 

Tonight
 
 A 30 percent chance of showers, mainly before 1am. Patchy fog before 2am, then patchy fog after 3am. Otherwise, cloudy, with a low around 63. Calm wind.
Memorial Day
 
 A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 5pm, then a chance of showers and thunderstorms after 5pm. Areas of fog between 8am and 11am. Otherwise, cloudy, with a high near 77. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
 
 Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 4am, then showers likely and possibly a thunderstorm after 4am. Patchy fog before 1am, then patchy fog after 2am. Otherwise, cloudy, with a low around 64. East wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
 Showers and possibly a thunderstorm. High near 81. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.
Tuesday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. South wind around 5 mph becoming calm. Chance of precipitation is 60%.
Wednesday
 
 Showers, with thunderstorms also possible after 10am. High near 82. South southwest wind around 5 mph. Chance of precipitation is 90%.
Wednesday Night
 
 A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 20%.
Thursday
 
 A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84. Calm wind becoming north northeast around 5 mph.
Thursday Night
 
 A 20 percent chance of showers. Mostly cloudy, with a low around 65. Calm wind.
Friday
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Friday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Saturday
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
Saturday Night
 
 A 40 percent chance of showers. Mostly cloudy, with a low around 60.
Sunday
 
 A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.

 

Forecast from NOAA-NWS for Watertown TN.