| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
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| Updated: 1:31 am CDT Jul 28, 2026 | ||||||||||||||||||
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| Overnight |
Partly cloudy, with a low around 75. Southwest wind around 5 mph. |
| Tuesday |
Mostly sunny, with a high near 95. Heat index values as high as 107. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. |
| Tuesday Night |
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 69. North wind around 5 mph. |
| Wednesday |
Mostly sunny, with a high near 87. North northwest wind 5 to 10 mph. |
| Wednesday Night |
Mostly clear, with a low around 63. North wind around 5 mph becoming calm in the evening. |
| Thursday |
Sunny, with a high near 86. Calm wind becoming north northeast around 5 mph in the morning. |
| Thursday Night |
Mostly clear, with a low around 63. North wind around 5 mph becoming calm. |
| Friday |
Mostly sunny, with a high near 87. Calm wind becoming south southeast around 5 mph. |
| Friday Night |
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Calm wind. |
| Saturday |
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%. |
| Saturday Night |
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%. |
| Sunday |
Showers and thunderstorms likely. Mostly cloudy, with a high near 83. Chance of precipitation is 60%. |
| Sunday Night |
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. |
| Monday |
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. |
Forecast from NOAA-NWS for Watertown TN.