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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:21 am CDT Jul 14, 2026
 
Today

Today: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 85. East wind around 5 mph.
High: 85 °F		 Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 69. East wind around 5 mph becoming calm.
Low: 69 °F		 Wednesday

Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming east southeast around 5 mph in the afternoon.
High: 88 °F		 Wednesday
Night
Wednesday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 70. Calm wind.
Low: 70 °F		 Thursday

Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph.
High: 89 °F		 Thursday
Night
Thursday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 71. Calm wind.
Low: 71 °F		 Friday

Friday: Showers and thunderstorms likely, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.
High: 89 °F		 Friday
Night
Friday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind.
Low: 71 °F		 Saturday

Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 60%.
High: 90 °F
Mostly Cloudy
then Chance
T-storms

 Chance
T-storms and
Patchy Fog
then Patchy
Fog
 Areas Fog
then Chance
T-storms

 Partly Cloudy
then Patchy
Fog

 Patchy Fog
then Chance
T-storms

 Partly Cloudy
then Patchy
Fog

 T-storms
Likely and
Patchy Fog

 Chance
T-storms

 Showers
Likely

 

Today
 
 A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 85. East wind around 5 mph.
Tonight
 
 A 30 percent chance of showers and thunderstorms, mainly before 9pm. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 69. East wind around 5 mph becoming calm.
Wednesday
 
 A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming east southeast around 5 mph in the afternoon.
Wednesday Night
 
 Patchy fog after 1am. Otherwise, partly cloudy, with a low around 70. Calm wind.
Thursday
 
 A 50 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph.
Thursday Night
 
 Patchy fog after 1am. Otherwise, partly cloudy, with a low around 71. Calm wind.
Friday
 
 Showers and thunderstorms likely, mainly after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
 
 A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind.
Saturday
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 60%.
Saturday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 40%.
Sunday
 
 A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Sunday Night
 
 A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Monday
 
 A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

 

Forecast from NOAA-NWS for Watertown TN.