| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
||||||||||||||||||
| Updated: 11:01 pm CDT Jun 28, 2026 | ||||||||||||||||||
|
| Overnight |
Patchy fog after 5am. Otherwise, mostly clear, with a low around 73. Calm wind. |
| Monday |
Sunny, with a high near 94. Heat index values as high as 106. Calm wind becoming west around 5 mph. |
| Monday Night |
Mostly clear, with a low around 75. Calm wind. |
| Tuesday |
Sunny and hot, with a high near 97. Heat index values as high as 107. Calm wind. |
| Tuesday Night |
Mostly clear, with a low around 76. Calm wind. |
| Wednesday |
Sunny and hot, with a high near 97. Calm wind becoming southeast around 5 mph. |
| Wednesday Night |
Mostly clear, with a low around 75. Calm wind. |
| Thursday |
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Calm wind becoming east northeast around 5 mph. |
| Thursday Night |
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. Calm wind. |
| Friday |
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. |
| Friday Night |
Mostly clear, with a low around 75. |
| Independence Day |
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 96. |
| Saturday Night |
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. |
| Sunday |
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 94. |
Forecast from NOAA-NWS for Watertown TN.