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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:51 am CDT Jul 6, 2026
 
Today

Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 88. Calm wind becoming west southwest around 5 mph.
High: 88 °F		 Tonight

Tonight: Showers and thunderstorms likely, mainly before 10pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Low: 69 °F		 Tuesday

Tuesday: Showers and thunderstorms likely, mainly between 2pm and 3pm. Areas of fog before 9am. Otherwise, sunny during the morning, then mostly cloudy during the afternoon, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
High: 87 °F		 Tuesday
Night
Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 70. Calm wind.
Low: 70 °F		 Wednesday

Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming west southwest around 5 mph in the afternoon.
High: 90 °F		 Wednesday
Night
Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Patchy fog between 2am and 3am. Otherwise, mostly clear, with a low around 71. Calm wind.
Low: 71 °F		 Thursday

Thursday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph.
High: 91 °F		 Thursday
Night
Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 72. South southwest wind around 5 mph.
Low: 72 °F		 Friday

Friday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
High: 91 °F
Chance
T-storms

 T-storms
Likely and
Patchy Fog

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

 Patchy Fog
then Chance
T-storms

 Slight Chance
T-storms and
Patchy Fog

 Chance
T-storms

 Chance
T-storms

 T-storms
Likely

 

Today
 
 A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 88. Calm wind becoming west southwest around 5 mph.
Tonight
 
 Showers and thunderstorms likely, mainly before 10pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
 Showers and thunderstorms likely, mainly between 2pm and 3pm. Areas of fog before 9am. Otherwise, sunny during the morning, then mostly cloudy during the afternoon, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
 
 A 30 percent chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 70. Calm wind.
Wednesday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night
 
 A 20 percent chance of showers and thunderstorms before 1am. Patchy fog between 2am and 3am. Otherwise, mostly clear, with a low around 71. Calm wind.
Thursday
 
 A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Southwest wind 5 to 10 mph.
Thursday Night
 
 A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 72. South southwest wind around 5 mph.
Friday
 
 Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Friday Night
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 72. Chance of precipitation is 60%.
Saturday
 
 Showers and thunderstorms. High near 89. Chance of precipitation is 80%.
Saturday Night
 
 A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

 

Forecast from NOAA-NWS for Watertown TN.