| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
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| Updated: 6:16 am CDT Aug 18, 2026 | ||||||||||||||||||
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| Today |
Sunny, with a high near 87. North northwest wind around 5 mph. |
| Tonight |
Patchy fog after 5am. Otherwise, mostly clear, with a low around 66. Calm wind. |
| Wednesday |
Mostly sunny, with a high near 91. Calm wind becoming north around 5 mph. |
| Wednesday Night |
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Calm wind becoming south around 5 mph. |
| Thursday |
Showers likely and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Calm wind becoming west southwest around 5 mph in the morning. Chance of precipitation is 60%. |
| Thursday Night |
A chance of showers and thunderstorms. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 69. West wind around 5 mph becoming calm. Chance of precipitation is 40%. |
| Friday |
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Patchy 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%. |
| Friday Night |
Partly cloudy, with a low around 66. North wind around 5 mph becoming calm. |
| Saturday |
Sunny, with a high near 89. Calm wind becoming north northwest around 5 mph in the afternoon. |
| Saturday Night |
Mostly clear, with a low around 67. |
| Sunday |
Sunny, with a high near 88. |
| Sunday Night |
Mostly clear, with a low around 64. |
| Monday |
Mostly sunny, with a high near 88. |
Forecast from NOAA-NWS for Watertown TN.




