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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 6:06 am CDT Apr 28, 2026
 
Today

Today: A chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 81. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
High: 81 °F		 Tonight

Tonight: Showers and thunderstorms likely, mainly before 10pm, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 62. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Low: 62 °F		 Wednesday

Wednesday: Showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 5pm. High near 74. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
High: 74 °F		 Wednesday
Night
Wednesday Night: A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 47. North northwest wind 5 to 10 mph.
Low: 47 °F		 Thursday

Thursday: Mostly sunny, with a high near 67. North wind 5 to 10 mph.
High: 67 °F		 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 46. North wind around 5 mph becoming calm.
Low: 46 °F		 Friday

Friday: A 20 percent chance of showers. Partly sunny, with a high near 66. Calm wind becoming north northwest around 5 mph in the morning.
High: 66 °F		 Friday
Night
Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 45. North northeast wind around 5 mph.
Low: 45 °F		 Saturday

Saturday: Partly sunny, with a high near 63. North wind around 10 mph, with gusts as high as 20 mph.
High: 63 °F
Chance
T-storms then
Slight Chance
T-storms
 Showers
Likely

 Showers then
Chance
T-storms
 Chance
T-storms then
Partly Cloudy
 Mostly Sunny

 Mostly Cloudy

 Slight Chance
Showers

 Chance
Showers

 Partly Sunny

 

Today
 
 A chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 81. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 Showers and thunderstorms likely, mainly before 10pm, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 62. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
 
 Showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 5pm. High near 74. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 47. North northwest wind 5 to 10 mph.
Thursday
 
 Mostly sunny, with a high near 67. North wind 5 to 10 mph.
Thursday Night
 
 Mostly cloudy, with a low around 46. North wind around 5 mph becoming calm.
Friday
 
 A 20 percent chance of showers. Partly sunny, with a high near 66. Calm wind becoming north northwest around 5 mph in the morning.
Friday Night
 
 A 40 percent chance of showers. Mostly cloudy, with a low around 45. North northeast wind around 5 mph.
Saturday
 
 Partly sunny, with a high near 63. North wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
 
 Mostly clear, with a low around 38.
Sunday
 
 Sunny, with a high near 69.
Sunday Night
 
 Mostly clear, with a low around 45.
Monday
 
 Sunny, with a high near 76.

 

Forecast from NOAA-NWS for Watertown TN.