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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 pm CDT Apr 25, 2026
 
This
Afternoon
This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 77. North wind around 5 mph.
High: 77 °F		 Tonight

Tonight: Patchy fog between 3am and 4am. Otherwise, mostly clear, with a low around 53. Calm wind.
Low: 53 °F		 Sunday

Sunday: Mostly sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.
High: 82 °F		 Sunday
Night
Sunday Night: Partly cloudy, with a low around 58. Northeast wind around 5 mph becoming southeast after midnight.
Low: 58 °F		 Monday

Monday: A slight chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 83. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
High: 83 °F		 Monday
Night
Monday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 63. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Low: 63 °F		 Tuesday

Tuesday: Showers and possibly a thunderstorm. High near 80. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
High: 80 °F		 Tuesday
Night
Tuesday Night: Showers and possibly a thunderstorm. Low around 61. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Low: 61 °F		 Wednesday

Wednesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74. West southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
High: 74 °F
Chance
T-storms

 Mostly Clear
then Patchy
Fog
 Mostly Sunny

 Partly Cloudy

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

 Showers

 Chance
Showers

 

This Afternoon
 
 A 30 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 77. North wind around 5 mph.
Tonight
 
 Patchy fog between 3am and 4am. Otherwise, mostly clear, with a low around 53. Calm wind.
Sunday
 
 Mostly sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
 
 Partly cloudy, with a low around 58. Northeast wind around 5 mph becoming southeast after midnight.
Monday
 
 A slight chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 83. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday Night
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 63. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Tuesday
 
 Showers and possibly a thunderstorm. High near 80. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Tuesday Night
 
 Showers and possibly a thunderstorm. Low around 61. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Wednesday
 
 A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74. West southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
 
 A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 48.
Thursday
 
 Sunny, with a high near 69.
Thursday Night
 
 A 20 percent chance of showers. Partly cloudy, with a low around 47.
Friday
 
 A 40 percent chance of showers. Partly sunny, with a high near 65.

 

Forecast from NOAA-NWS for Watertown TN.