| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
||||||||||||||||||
| Updated: 5:36 am CDT Sep 16, 2026 | ||||||||||||||||||
|
| Today |
Sunny and hot, with a high near 97. Heat index values as high as 103. South southwest wind around 5 mph becoming calm in the afternoon. |
| Tonight |
Mostly clear, with a low around 72. East southeast wind around 5 mph becoming calm. |
| Thursday |
Sunny and hot, with a high near 97. Heat index values as high as 101. Calm wind becoming west northwest around 5 mph in the afternoon. |
| Thursday Night |
Mostly clear, with a low around 72. Calm wind. |
| Friday |
Sunny and hot, with a high near 97. Calm wind becoming north around 5 mph in the afternoon. |
| Friday Night |
Mostly clear, with a low around 70. Northeast wind around 5 mph becoming calm. |
| Saturday |
Sunny, with a high near 96. Calm wind becoming west around 5 mph. |
| Saturday Night |
Partly cloudy, with a low around 72. Calm wind becoming south around 5 mph after midnight. |
| Sunday |
Mostly sunny, with a high near 95. South wind 5 to 10 mph. |
| Sunday Night |
Partly cloudy, with a low around 71. |
| Monday |
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. |
| Monday Night |
A 30 percent chance of showers. Mostly cloudy, with a low around 68. |
| Tuesday |
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. |
Forecast from NOAA-NWS for Watertown TN.