| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
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| Updated: 6:31 am CDT Jul 25, 2026 | ||||||||||||||||||
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| Today |
A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 85. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 40%. |
| Tonight |
Showers and thunderstorms likely, mainly before 3am. Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
| Sunday |
A 20 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 89. Heat index values as high as 99. Calm wind becoming northwest around 5 mph in the afternoon. |
| Sunday Night |
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 71. Calm wind. |
| Monday |
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 93. Calm wind becoming south southwest around 5 mph. |
| Monday Night |
Partly cloudy, with a low around 75. Calm wind becoming south southwest around 5 mph in the evening. |
| Tuesday |
Mostly sunny, with a high near 95. South southwest wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. |
| Tuesday Night |
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 71. Northwest wind around 5 mph. |
| Wednesday |
Mostly sunny, with a high near 90. North wind 5 to 10 mph. |
| Wednesday Night |
Mostly clear, with a low around 67. |
| Thursday |
Sunny, with a high near 90. |
| Thursday Night |
Partly cloudy, with a low around 69. |
| Friday |
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. |
Forecast from NOAA-NWS for Watertown TN.




