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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:46 am CDT May 1, 2026
 
Today

Today: Increasing clouds, with a high near 68. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon.
High: 68 °F		 Tonight

Tonight: Mostly cloudy, with a low around 44. North northeast wind around 5 mph.
Low: 44 °F		 Saturday

Saturday: Cloudy through mid morning, then gradual clearing, with a high near 65. North northwest wind 5 to 10 mph.
High: 65 °F		 Saturday
Night
Saturday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 39. North northwest wind around 5 mph becoming calm in the evening.
Low: 39 °F		 Sunday

Sunday: Sunny, with a high near 68. Calm wind becoming west around 5 mph in the afternoon.
High: 68 °F		 Sunday
Night
Sunday Night: Mostly clear, with a low around 48. Calm wind becoming south around 5 mph after midnight.
Low: 48 °F		 Monday

Monday: Mostly sunny, with a high near 77. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
High: 77 °F		 Monday
Night
Monday Night: Partly cloudy, with a low around 55. South wind 10 to 15 mph, with gusts as high as 25 mph.
Low: 55 °F		 Tuesday

Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
High: 73 °F
Increasing
Clouds

 Mostly Cloudy

 Gradual
Clearing

 Partly Cloudy
then Patchy
Fog
 Sunny

 Mostly Clear

 Mostly Sunny

 Partly Cloudy

 Slight Chance
Showers then
Chance
T-storms

 

Today
 
 Increasing clouds, with a high near 68. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon.
Tonight
 
 Mostly cloudy, with a low around 44. North northeast wind around 5 mph.
Saturday
 
 Cloudy through mid morning, then gradual clearing, with a high near 65. North northwest wind 5 to 10 mph.
Saturday Night
 
 Patchy fog after 5am. Otherwise, partly cloudy, with a low around 39. North northwest wind around 5 mph becoming calm in the evening.
Sunday
 
 Sunny, with a high near 68. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
 
 Mostly clear, with a low around 48. Calm wind becoming south around 5 mph after midnight.
Monday
 
 Mostly sunny, with a high near 77. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
 
 Partly cloudy, with a low around 55. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 73. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Tuesday Night
 
 Showers and possibly a thunderstorm. Low around 57. Chance of precipitation is 80%.
Wednesday
 
 Showers and thunderstorms likely. Partly sunny, with a high near 73. Chance of precipitation is 60%.
Wednesday Night
 
 A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Thursday
 
 Mostly sunny, with a high near 68.

 

Forecast from NOAA-NWS for Watertown TN.