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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:11 am CDT Jul 13, 2026
 
Today

Today: Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 84. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
High: 84 °F		 Tonight

Tonight: A 30 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm after midnight.
Low: 68 °F		 Tuesday

Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. East wind around 5 mph.
High: 85 °F		 Tuesday
Night
Tuesday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. East wind around 5 mph becoming calm.
Low: 68 °F		 Wednesday

Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming east southeast around 5 mph.
High: 88 °F		 Wednesday
Night
Wednesday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 70. Calm wind.
Low: 70 °F		 Thursday

Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, sunny, with a high near 90. Calm wind becoming west northwest around 5 mph.
High: 90 °F		 Thursday
Night
Thursday Night: Mostly clear, with a low around 71. Calm wind.
Low: 71 °F		 Friday

Friday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Calm wind becoming north northwest around 5 mph in the afternoon.
High: 91 °F
Partly Sunny
then T-storms
Likely
 Chance
T-storms then
Mostly Cloudy
 Partly Sunny
then Chance
T-storms
 Partly Cloudy
then Patchy
Fog
 Patchy Fog
then Chance
T-storms
 Mostly Clear
then Patchy
Fog
 Patchy Fog
then Slight
Chance
T-storms
 Mostly Clear

 Sunny then
Chance
T-storms

 

Today
 
 Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 84. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 A 30 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm after midnight.
Tuesday
 
 A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. East wind around 5 mph.
Tuesday Night
 
 Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. East wind around 5 mph becoming calm.
Wednesday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming east southeast around 5 mph.
Wednesday Night
 
 Patchy fog after 2am. Otherwise, mostly clear, with a low around 70. Calm wind.
Thursday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, sunny, with a high near 90. Calm wind becoming west northwest around 5 mph.
Thursday Night
 
 Mostly clear, with a low around 71. Calm wind.
Friday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
 
 Mostly clear, with a low around 72.
Saturday
 
 A 30 percent chance of showers and thunderstorms. Sunny, with a high near 91.
Saturday Night
 
 A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Sunday
 
 A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.

 

Forecast from NOAA-NWS for Watertown TN.