| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
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| Updated: 7:26 am CDT Aug 17, 2026 | ||||||||||||||||||
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| Today |
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Mostly sunny, with a high near 94. Heat index values as high as 105. West southwest wind 5 to 10 mph. |
| Tonight |
Partly cloudy, with a low around 69. North northwest wind 5 to 10 mph becoming light after midnight. |
| Tuesday |
Mostly sunny, with a high near 88. Calm wind becoming north northwest around 5 mph in the morning. |
| Tuesday Night |
Mostly clear, with a low around 66. Calm wind. |
| Wednesday |
Sunny, with a high near 93. Calm wind becoming west northwest around 5 mph. |
| Wednesday Night |
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. Calm wind. |
| Thursday |
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 60%. |
| Thursday Night |
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. Calm wind. |
| Friday |
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%. |
| Friday Night |
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. |
| Saturday |
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. |
| Saturday Night |
Mostly clear, with a low around 65. |
| Sunday |
Sunny, with a high near 87. |
Forecast from NOAA-NWS for Watertown TN.






