| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
||||||||||||||||||
| Updated: 1:31 pm CDT Sep 9, 2026 | ||||||||||||||||||
|
| This Afternoon |
Sunny, with a high near 92. Heat index values as high as 99. South southwest wind around 10 mph. |
| Tonight |
Mostly clear, with a low around 71. South southwest wind around 5 mph. |
| Thursday |
A slight chance of showers between 11am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 100. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. |
| Thursday Night |
A chance of showers and thunderstorms before 2am, then a slight chance of showers after 3am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 69. South southwest wind around 5 mph becoming calm. Chance of precipitation is 30%. |
| Friday |
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 91. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 60%. |
| Friday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East wind around 5 mph becoming calm. Chance of precipitation is 30%. |
| Saturday |
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 90. Southwest wind around 5 mph. Chance of precipitation is 80%. |
| Saturday Night |
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%. |
| Sunday |
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph. |
| Sunday Night |
Mostly clear, with a low around 67. |
| Monday |
Sunny, with a high near 93. |
| Monday Night |
Mostly clear, with a low around 69. |
| Tuesday |
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 93. |
Forecast from NOAA-NWS for Watertown TN.




