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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 am CDT Jul 30, 2026
 
Today

Today: Sunny, with a high near 86. North northeast wind 5 to 10 mph.
High: 86 °F		 Tonight

Tonight: Partly cloudy, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.
Low: 62 °F		 Friday

Friday: Mostly sunny, with a high near 90. Calm wind.
High: 90 °F		 Friday
Night
Friday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Calm wind becoming south around 5 mph after midnight.
Low: 70 °F		 Saturday

Saturday: Showers and possibly a thunderstorm. High near 85. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
High: 85 °F		 Saturday
Night
Saturday Night: Showers and possibly a thunderstorm. Low around 69. South southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Low: 69 °F		 Sunday

Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. South southwest wind 5 to 10 mph becoming west northwest in the afternoon. Chance of precipitation is 60%.
High: 83 °F		 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 68. North northwest wind around 5 mph becoming calm in the evening.
Low: 68 °F		 Monday

Monday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86. Calm wind becoming north northeast around 5 mph in the morning.
High: 86 °F
Sunny

 Partly Cloudy

 Mostly Sunny

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

 Showers

 Chance
Showers then
Showers
Likely
 Mostly Cloudy

 Slight Chance
T-storms then
Chance
T-storms

 

Today
 
 Sunny, with a high near 86. North northeast wind 5 to 10 mph.
Tonight
 
 Partly cloudy, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.
Friday
 
 Mostly sunny, with a high near 90. Calm wind.
Friday Night
 
 A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Calm wind becoming south around 5 mph after midnight.
Saturday
 
 Showers and possibly a thunderstorm. High near 85. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday Night
 
 Showers and possibly a thunderstorm. Low around 69. South southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Sunday
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. South southwest wind 5 to 10 mph becoming west northwest in the afternoon. Chance of precipitation is 60%.
Sunday Night
 
 Mostly cloudy, with a low around 68. North northwest wind around 5 mph becoming calm in the evening.
Monday
 
 A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86. Calm wind becoming north northeast around 5 mph in the morning.
Monday Night
 
 Partly cloudy, with a low around 69.
Tuesday
 
 A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Tuesday Night
 
 A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Wednesday
 
 A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

 

Forecast from NOAA-NWS for Watertown TN.