| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
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| Updated: 5:36 am CDT Jul 5, 2026 | ||||||||||||||||||
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| Today |
A 50 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Mostly sunny, with a high near 92. Heat index values as high as 98. Calm wind becoming west around 5 mph in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
| Tonight |
A 40 percent chance of showers and thunderstorms, mainly before midnight. Patchy fog between 3am and 4am. Otherwise, partly cloudy, with a low around 70. West southwest wind around 5 mph becoming calm. |
| Monday |
Showers and thunderstorms likely, mainly after 5pm. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
| Monday Night |
A 30 percent chance of showers and thunderstorms, mainly before midnight. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 68. Calm wind. |
| Tuesday |
A chance of showers, with thunderstorms also possible after 10am. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%. |
| Tuesday Night |
Patchy fog after 4am. Otherwise, mostly clear, with a low around 69. Calm wind. |
| Wednesday |
A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon. |
| Wednesday Night |
Mostly clear, with a low around 70. Calm wind. |
| Thursday |
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. West southwest wind 5 to 10 mph. |
| Thursday Night |
A chance of showers and thunderstorms. Mostly clear, with a low around 73. Chance of precipitation is 50%. |
| Friday |
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 90. Chance of precipitation is 70%. |
| Friday Night |
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 71. Chance of precipitation is 70%. |
| Saturday |
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88. Chance of precipitation is 60%. |
Forecast from NOAA-NWS for Watertown TN.



