| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
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| Updated: 1:31 pm CDT Jun 29, 2026 | ||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 75. Calm wind. |
| Tuesday |
Sunny and hot, with a high near 97. Heat index values as high as 106. Calm wind. |
| Tuesday Night |
Mostly clear, with a low around 75. Calm wind. |
| Wednesday |
Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind becoming southeast around 5 mph. |
| Wednesday Night |
Mostly clear, with a low around 77. Calm wind. |
| Thursday |
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Calm wind becoming northeast around 5 mph. |
| Thursday Night |
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. North wind around 5 mph becoming calm. |
| Friday |
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind becoming north northeast around 5 mph. |
| Friday Night |
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 74. Calm wind. |
| Independence Day |
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. |
| 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. Mostly sunny, with a high near 93. |
| Sunday Night |
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. |
| Monday |
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 60%. |
Forecast from NOAA-NWS for Watertown TN.