| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
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| Updated: 2:11 am CDT Jul 1, 2026 | ||||||||||||||||||
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| Overnight |
Clear, with a low around 75. Calm wind. |
| Wednesday |
Sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind. |
| Wednesday Night |
Mostly clear, with a low around 76. Calm wind. |
| Thursday |
Mostly sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind becoming northeast around 5 mph in the afternoon. |
| Thursday Night |
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%. |
| Friday |
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. |
| Friday Night |
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Calm wind. |
| Independence Day |
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Calm wind becoming south around 5 mph. |
| Saturday Night |
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. Calm wind. |
| Sunday |
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95. |
| Sunday Night |
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. |
| Monday |
Showers and thunderstorms likely. Mostly sunny, with a high near 93. Chance of precipitation is 70%. |
| Monday Night |
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. |
| Tuesday |
Showers and thunderstorms likely. Partly sunny, with a high near 91. Chance of precipitation is 60%. |
Forecast from NOAA-NWS for Watertown TN.