| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
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| Updated: 7:26 am CDT Jul 27, 2026 | ||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 92. Heat index values as high as 105. West northwest wind around 5 mph. |
| Tonight |
Partly cloudy, with a low around 75. Calm wind becoming south southwest around 5 mph after midnight. |
| Tuesday |
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 94. Heat index values as high as 107. Southwest wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. |
| Tuesday Night |
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 70. North northwest wind around 5 mph. |
| Wednesday |
Sunny, with a high near 87. North wind 5 to 10 mph. |
| Wednesday Night |
Mostly clear, with a low around 65. North northwest wind around 5 mph becoming calm in the evening. |
| Thursday |
Sunny, with a high near 86. Calm wind becoming north around 5 mph in the morning. |
| Thursday Night |
Mostly clear, with a low around 65. North wind around 5 mph becoming calm. |
| Friday |
Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph. |
| Friday Night |
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 68. |
| Saturday |
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. |
| Saturday Night |
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. |
| Sunday |
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. |
Forecast from NOAA-NWS for Watertown TN.




