| National Weather Service Forecast for:
Watertown TN Issued by: National Weather Service Nashville, TN |
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| Updated: 5:06 am CDT Oct 21, 2026 | ||||||||||||||||||
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| Today |
Sunny, with a high near 74. Calm wind becoming north around 5 mph in the afternoon. |
| Tonight |
Patchy fog after 3am. Otherwise, clear, with a low around 44. North wind around 5 mph becoming calm. |
| Thursday |
Areas of fog before 9am. Otherwise, sunny, with a high near 74. Light east northeast wind becoming north 5 to 10 mph in the afternoon. |
| Thursday Night |
Clear, with a low around 40. Northeast wind around 5 mph. |
| Friday |
Sunny, with a high near 74. East northeast wind around 5 mph. |
| Friday Night |
Clear, with a low around 43. Northeast wind around 5 mph becoming calm in the evening. |
| Saturday |
Sunny, with a high near 74. Calm wind becoming south around 5 mph. |
| Saturday Night |
Mostly clear, with a low around 41. Calm wind. |
| Sunday |
Sunny, with a high near 73. Calm wind becoming north around 5 mph. |
| Sunday Night |
Mostly clear, with a low around 42. |
| Monday |
Mostly sunny, with a high near 73. |
| Monday Night |
Partly cloudy, with a low around 44. |
| Tuesday |
Mostly sunny, with a high near 74. |
Forecast from NOAA-NWS for Watertown TN.