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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:11 am CDT Jun 22, 2026
 
This
Afternoon
This Afternoon: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 82. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
High: 82 °F		 Tonight

Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 63. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Low: 63 °F		 Tuesday

Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming north northwest around 5 mph in the morning.
High: 82 °F		 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 60. North northeast wind around 5 mph becoming calm.
Low: 60 °F		 Wednesday

Wednesday: Sunny, with a high near 86. Calm wind becoming east southeast around 5 mph.
High: 86 °F		 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.
Low: 67 °F		 Thursday

Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the morning.
High: 88 °F		 Thursday
Night
Thursday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm.
Low: 68 °F		 Friday

Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the morning.
High: 88 °F
T-storms

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Slight Chance
Showers
 Decreasing
Clouds

 Mostly Clear

 Sunny

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T-storms then
Chance
Showers
 Slight Chance
T-storms then
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T-storms

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Showers then
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T-storms

 

This Afternoon
 
 Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 82. West southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 63. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming north northwest around 5 mph in the morning.
Tuesday Night
 
 Mostly clear, with a low around 60. North northeast wind around 5 mph becoming calm.
Wednesday
 
 Sunny, with a high near 86. Calm wind becoming east southeast around 5 mph.
Wednesday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.
Thursday
 
 A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the morning.
Thursday Night
 
 A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm.
Friday
 
 A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the morning.
Friday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 50%.
Saturday
 
 A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Saturday Night
 
 A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

 

Forecast from NOAA-NWS for Watertown TN.