| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
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| Updated: 10:41 pm CDT Sep 8, 2026 | ||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 69. South wind around 5 mph. |
| Wednesday |
Sunny, with a high near 92. 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 5 to 10 mph. |
| Thursday |
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Heat index values as high as 99. Southwest wind around 10 mph. |
| Thursday Night |
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 67. West wind around 5 mph becoming calm. Chance of precipitation is 60%. |
| Friday |
A chance of showers, with thunderstorms also possible after 10am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 89. Calm wind becoming south around 5 mph. Chance of precipitation is 40%. |
| Friday Night |
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67. Calm wind. |
| Saturday |
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 91. South southwest wind around 5 mph. Chance of precipitation is 30%. |
| Saturday Night |
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 68. Calm wind becoming south southeast around 5 mph. |
| Sunday |
A slight chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 92. Chance of precipitation is 20%. |
| Sunday Night |
Mostly clear, with a low around 67. |
| Monday |
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91. |
| Monday Night |
Mostly clear, with a low around 68. |
| Tuesday |
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 92. |
Forecast from NOAA-NWS for Watertown TN.





