| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
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| Updated: 1:31 pm CDT Oct 21, 2026 | ||||||||||||||||||
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| Tonight |
Patchy fog after 1am. Otherwise, clear, with a low around 43. North wind around 5 mph becoming calm. |
| Thursday |
Patchy fog before 9am. Otherwise, sunny, with a high near 74. Light northeast wind becoming north 5 to 10 mph in the afternoon. |
| Thursday Night |
Mostly clear, with a low around 42. Northeast wind around 5 mph. |
| Friday |
Mostly cloudy through mid morning, then gradual clearing, with a high near 75. East northeast wind around 5 mph. |
| Friday Night |
Clear, with a low around 44. Northeast wind around 5 mph becoming calm. |
| Saturday |
Patchy fog before 7am. Otherwise, sunny, with a high near 75. Calm wind becoming south around 5 mph. |
| Saturday Night |
Mostly clear, with a low around 43. Calm wind. |
| Sunday |
Sunny, with a high near 73. Calm wind becoming north northeast around 5 mph in the afternoon. |
| Sunday Night |
Mostly clear, with a low around 43. Calm wind. |
| Monday |
Mostly sunny, with a high near 73. |
| Monday Night |
Partly cloudy, with a low around 43. |
| Tuesday |
Mostly sunny, with a high near 75. |
| Tuesday Night |
Partly cloudy, with a low around 45. |
| Wednesday |
Mostly sunny, with a high near 75. |
Forecast from NOAA-NWS for Watertown TN.