| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
||||||||||||||||||
| Updated: 1:31 pm CDT Sep 19, 2026 | ||||||||||||||||||
|
| This Afternoon |
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97. Heat index values as high as 100. Northwest wind around 5 mph. |
| Tonight |
Mostly clear, with a low around 71. South wind around 5 mph. |
| Sunday |
A 20 percent chance of showers after 4pm. Sunny, with a high near 96. Heat index values as high as 100. South wind around 5 mph becoming west in the afternoon. |
| Sunday Night |
Partly cloudy, with a low around 71. Calm wind becoming south around 5 mph. |
| Monday |
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. South wind around 5 mph becoming northwest in the afternoon. |
| Monday Night |
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 66. East wind around 5 mph becoming calm. Chance of precipitation is 40%. |
| Tuesday |
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%. |
| Tuesday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. |
| Wednesday |
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 82. Calm wind becoming northwest around 5 mph in the morning. Chance of precipitation is 50%. |
| Wednesday Night |
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 60. |
| Thursday |
Mostly sunny, with a high near 80. |
| Thursday Night |
Partly cloudy, with a low around 58. |
| Friday |
Mostly sunny, with a high near 80. |
Forecast from NOAA-NWS for Watertown TN.






