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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:26 am CDT Jul 7, 2026
 
This
Afternoon
This Afternoon: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87. Northwest wind around 5 mph.
High: 87 °F		 Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 68. Calm wind.
Low: 68 °F		 Wednesday

Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
High: 87 °F		 Wednesday
Night
Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 11pm. Patchy fog between midnight and 2am. Otherwise, partly cloudy, with a low around 69. West wind around 5 mph becoming calm.
Low: 69 °F		 Thursday

Thursday: A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
High: 90 °F		 Thursday
Night
Thursday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72. South southwest wind around 5 mph.
Low: 72 °F		 Friday

Friday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 89. Southwest wind around 10 mph. Chance of precipitation is 80%.
High: 89 °F		 Friday
Night
Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 71. South southwest wind around 5 mph. Chance of precipitation is 60%.
Low: 71 °F		 Saturday

Saturday: Showers and possibly a thunderstorm. High near 88. West southwest wind 5 to 10 mph. Chance of precipitation is 80%.
High: 88 °F
Chance
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Patchy Fog

 Slight Chance
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Areas Fog
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 Chance
T-storms then
Patchy Fog

 Chance
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Chance
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 Mostly Clear
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 Showers then
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 Chance
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This Afternoon
 
 A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87. Northwest wind around 5 mph.
Tonight
 
 A 30 percent chance of showers and thunderstorms, mainly before 8pm. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 68. Calm wind.
Wednesday
 
 A 50 percent chance of showers and thunderstorms, mainly after 1pm. Areas of fog before 9am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 A 30 percent chance of showers and thunderstorms, mainly before 11pm. Patchy fog between midnight and 2am. Otherwise, partly cloudy, with a low around 69. West wind around 5 mph becoming calm.
Thursday
 
 A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Thursday Night
 
 A 40 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72. South southwest wind around 5 mph.
Friday
 
 Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 89. Southwest wind around 10 mph. Chance of precipitation is 80%.
Friday Night
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 71. South southwest wind around 5 mph. Chance of precipitation is 60%.
Saturday
 
 Showers and possibly a thunderstorm. High near 88. West southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Saturday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Sunday
 
 Showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Sunday Night
 
 A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Monday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

 

Forecast from NOAA-NWS for Watertown TN.