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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:36 am CDT May 2, 2026
 
Today

Today: A 20 percent chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 65. Light and variable wind becoming north northwest 5 to 10 mph in the morning.
High: 65 °F		 Tonight

Tonight: A 30 percent chance of showers and thunderstorms before 7pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 37. North wind around 5 mph becoming calm in the evening.
Low: 37 °F		 Sunday

Sunday: Areas of fog before 8am. Otherwise, sunny, with a high near 68. Calm wind becoming west southwest around 5 mph in the afternoon.
High: 68 °F		 Sunday
Night
Sunday Night: Mostly clear, with a low around 49. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Low: 49 °F		 Monday

Monday: Mostly sunny, with a high near 79. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
High: 79 °F		 Monday
Night
Monday Night: Partly cloudy, with a low around 55. South wind around 10 mph, with gusts as high as 20 mph.
Low: 55 °F		 Tuesday

Tuesday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 77. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
High: 77 °F		 Tuesday
Night
Tuesday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 61. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Low: 61 °F		 Wednesday

Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. South southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
High: 75 °F
Sunny then
Slight Chance
T-storms
 Chance
Showers then
Patchy Fog
 Areas Fog
then Sunny

 Mostly Clear

 Mostly Sunny

 Partly Cloudy

 Mostly Sunny
then Slight
Chance
Showers
 Chance
Showers

 Showers
Likely

 

Today
 
 A 20 percent chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 65. Light and variable wind becoming north northwest 5 to 10 mph in the morning.
Tonight
 
 A 30 percent chance of showers and thunderstorms before 7pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 37. North wind around 5 mph becoming calm in the evening.
Sunday
 
 Areas of fog before 8am. Otherwise, sunny, with a high near 68. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
 
 Mostly clear, with a low around 49. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
 
 Mostly sunny, with a high near 79. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
 
 Partly cloudy, with a low around 55. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
 
 A 20 percent chance of showers after 1pm. Partly sunny, with a high near 77. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
 
 A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 61. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Wednesday
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. South southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Wednesday Night
 
 Showers and possibly a thunderstorm before 1am, then showers likely. Low around 52. Chance of precipitation is 80%.
Thursday
 
 A 30 percent chance of showers. Partly sunny, with a high near 66.
Thursday Night
 
 Partly cloudy, with a low around 43.
Friday
 
 Mostly sunny, with a high near 70.

 

Forecast from NOAA-NWS for Watertown TN.