| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
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| Updated: 9:12 am CDT Jun 27, 2026 | ||||||||||||||||||
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| Today |
Showers and thunderstorms. High near 86. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. |
| Tonight |
Showers and thunderstorms likely before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. South southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible. |
| Sunday |
A chance of showers before 7am, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 92. Heat index values as high as 102. West southwest wind 5 to 10 mph. Chance of precipitation is 30%. |
| Sunday Night |
Mostly clear, with a low around 74. Calm wind. |
| Monday |
Sunny, with a high near 94. Calm wind becoming west around 5 mph. |
| Monday Night |
Mostly clear, with a low around 75. Calm wind. |
| Tuesday |
Sunny, with a high near 96. Calm wind becoming north northeast around 5 mph. |
| Tuesday Night |
Clear, with a low around 76. Calm wind. |
| Wednesday |
Sunny, with a high near 95. Calm wind becoming east southeast around 5 mph. |
| Wednesday Night |
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. |
| Thursday |
Sunny, with a high near 95. |
| Thursday Night |
Mostly clear, with a low around 76. |
| Friday |
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95. |
Forecast from NOAA-NWS for Watertown TN.