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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:06 am CDT Jun 11, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 93. Heat index values as high as 98. Southwest wind around 10 mph.
High: 93 °F		 Tonight

Tonight: Mostly clear, with a low around 74. South southwest wind 5 to 10 mph.
Low: 74 °F		 Friday

Friday: Showers and thunderstorms likely, mainly between 2pm and 4pm. Partly sunny, with a high near 89. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
High: 89 °F		 Friday
Night
Friday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 64. North northwest wind around 5 mph becoming calm.
Low: 64 °F		 Saturday

Saturday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 88. Calm wind.
High: 88 °F		 Saturday
Night
Saturday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 60%.
Low: 69 °F		 Sunday

Sunday: Showers and possibly a thunderstorm. High near 85. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
High: 85 °F		 Sunday
Night
Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 63. Northwest wind around 5 mph.
Low: 63 °F		 Monday

Monday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. North northwest wind around 5 mph. Chance of precipitation is 40%.
High: 79 °F
Sunny

 Mostly Clear

 Slight Chance
T-storms then
T-storms
Likely
 Partly Cloudy
then Patchy
Fog
 Patchy Fog
then Mostly
Sunny
 Slight Chance
T-storms then
Showers
Likely
 Showers

 Chance
Showers

 Chance
Showers

 

This Afternoon
 
 Sunny, with a high near 93. Heat index values as high as 98. Southwest wind around 10 mph.
Tonight
 
 Mostly clear, with a low around 74. South southwest wind 5 to 10 mph.
Friday
 
 Showers and thunderstorms likely, mainly between 2pm and 4pm. Partly sunny, with a high near 89. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
 
 Patchy fog after 3am. Otherwise, partly cloudy, with a low around 64. North northwest wind around 5 mph becoming calm.
Saturday
 
 Patchy fog before 7am. Otherwise, mostly sunny, with a high near 88. Calm wind.
Saturday Night
 
 A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 60%.
Sunday
 
 Showers and possibly a thunderstorm. High near 85. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Sunday Night
 
 A 50 percent chance of showers. Mostly cloudy, with a low around 63. Northwest wind around 5 mph.
Monday
 
 A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. North northwest wind around 5 mph. Chance of precipitation is 40%.
Monday Night
 
 A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Tuesday
 
 Mostly sunny, with a high near 80.
Tuesday Night
 
 A 20 percent chance of showers. Partly cloudy, with a low around 59.
Wednesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.

 

Forecast from NOAA-NWS for Watertown TN.