| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
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| Updated: 1:31 am CDT Jul 3, 2026 | ||||||||||||||||||
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Extreme Heat Warning
Heat Advisory
| Today |
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds and hot, with a high near 99. Heat index values as high as 109. Calm wind becoming north northeast around 5 mph in the afternoon. |
| Tonight |
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 73. East wind around 5 mph becoming calm. |
| Independence Day |
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Patchy fog before 7am. Otherwise, sunny, with a high near 96. Heat index values as high as 105. Calm wind becoming west northwest around 5 mph. |
| Saturday Night |
A 30 percent chance of showers and thunderstorms before 1am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 73. Calm wind. |
| Sunday |
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 94. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. |
| Sunday Night |
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72. Calm wind. |
| Monday |
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 92. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%. |
| Monday Night |
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72. Calm wind. |
| Tuesday |
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. |
| Tuesday Night |
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 20%. |
| Wednesday |
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. |
| Wednesday Night |
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. |
| Thursday |
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. |
Forecast from NOAA-NWS for Watertown TN.



