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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 10:47 am CDT Oct 7, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 83. West southwest wind 5 to 10 mph.
High: 83 °F		 Tonight

Tonight: Clear, with a low around 55. Calm wind.
Low: 55 °F		 Thursday

Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.
High: 85 °F		 Thursday
Night
Thursday Night: Clear, with a low around 54. North northeast wind around 5 mph becoming calm in the evening.
Low: 54 °F		 Friday

Friday: Sunny, with a high near 88. East southeast wind 5 to 10 mph.
High: 88 °F		 Friday
Night
Friday Night: Partly cloudy, with a low around 59. Southeast wind around 5 mph.
Low: 59 °F		 Saturday

Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. East wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
High: 80 °F		 Saturday
Night
Saturday Night: Showers and possibly a thunderstorm. Low around 58. East southeast wind 15 to 20 mph becoming north northeast after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Low: 58 °F		 Sunday

Sunday: Showers likely. Partly sunny, with a high near 72. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
High: 72 °F
Sunny
 Clear
 Patchy Fog
then Sunny
 Clear
 Sunny
 Partly Cloudy
 Showers
Likely
 Showers
 Showers
Likely

 

This Afternoon
 
 Sunny, with a high near 83. West southwest wind 5 to 10 mph.
Tonight
 
 Clear, with a low around 55. Calm wind.
Thursday
 
 Patchy fog before 8am. Otherwise, sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
 
 Clear, with a low around 54. North northeast wind around 5 mph becoming calm in the evening.
Friday
 
 Sunny, with a high near 88. East southeast wind 5 to 10 mph.
Friday Night
 
 Partly cloudy, with a low around 59. Southeast wind around 5 mph.
Saturday
 
 A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. East wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Saturday Night
 
 Showers and possibly a thunderstorm. Low around 58. East southeast wind 15 to 20 mph becoming north northeast after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Sunday
 
 Showers likely. Partly sunny, with a high near 72. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Sunday Night
 
 A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 56.
Columbus Day
 
 Mostly sunny, with a high near 78.
Monday Night
 
 Partly cloudy, with a low around 55.
Tuesday
 
 Sunny, with a high near 81.

 

Forecast from NOAA-NWS for Watertown TN.