| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
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| Updated: 11:11 pm CDT Aug 4, 2026 | ||||||||||||||||||
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| Overnight |
A 20 percent chance of showers before 2am. Mostly clear, with a low around 69. Calm wind. |
| Wednesday |
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Mostly sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming southwest around 5 mph. |
| Wednesday Night |
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 70. Calm wind becoming south around 5 mph. |
| Thursday |
A 20 percent chance of showers and thunderstorms after 3pm. Patchy fog before 7am. Otherwise, sunny, with a high near 91. Heat index values as high as 98. South southwest wind around 5 mph. |
| Thursday Night |
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. South southeast wind around 5 mph. |
| Friday |
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. South southwest wind around 5 mph. |
| Friday Night |
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71. South wind around 5 mph. |
| Saturday |
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southwest wind around 5 mph. |
| Saturday Night |
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Calm wind. |
| Sunday |
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. |
| Sunday Night |
Partly cloudy, with a low around 72. |
| Monday |
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. |
| Monday Night |
Partly cloudy, with a low around 73. |
| Tuesday |
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. |
Forecast from NOAA-NWS for Watertown TN.




