| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
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| Updated: 6:06 pm CDT Sep 7, 2026 | ||||||||||||||||||
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| Tonight |
Mostly clear, with a low around 68. South southeast wind around 5 mph. |
| Tuesday |
Mostly sunny, with a high near 91. South wind 5 to 10 mph. |
| Tuesday Night |
Mostly clear, with a low around 68. South wind around 5 mph. |
| Wednesday |
Sunny, with a high near 93. Heat index values as high as 97. South southwest wind 5 to 10 mph. |
| Wednesday Night |
Mostly clear, with a low around 70. South wind around 5 mph. |
| Thursday |
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. West southwest wind around 10 mph. |
| Thursday Night |
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. West northwest wind around 5 mph becoming calm. Chance of precipitation is 70%. |
| Friday |
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Calm wind becoming south southwest around 5 mph. |
| Friday Night |
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Calm wind. |
| Saturday |
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%. |
| Saturday Night |
A 20 percent chance of showers. Partly cloudy, with a low around 66. |
| Sunday |
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91. |
| Sunday Night |
Mostly clear, with a low around 65. |
| Monday |
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90. |
Forecast from NOAA-NWS for Watertown TN.