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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:21 am CST Nov 13, 2026
 
Today

Today: Widespread frost, mainly before 8am. Otherwise, cloudy, with a high near 48. Northwest wind around 10 mph.
High: 48 °F		 Tonight

Tonight: Areas of frost before midnight, then widespread frost after 1am. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 28. North northwest wind 5 to 10 mph.
Low: 28 °F		 Saturday

Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 50. Light north northwest wind becoming north 5 to 10 mph.
High: 50 °F		 Saturday
Night
Saturday Night: Patchy fog after 3am. Widespread frost, mainly after 8pm. Otherwise, mostly clear, with a low around 25. Calm wind.
Low: 25 °F		 Sunday

Sunday: Patchy fog before 8am. Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 54. Calm wind becoming north northeast around 5 mph in the afternoon.
High: 54 °F		 Sunday
Night
Sunday Night: Widespread frost, mainly after 11pm. Otherwise, mostly clear, with a low around 28. North northeast wind around 5 mph becoming calm.
Low: 28 °F		 Monday

Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 54. Calm wind becoming east northeast around 5 mph.
High: 54 °F		 Monday
Night
Monday Night: Mostly clear, with a low around 27. North northeast wind around 5 mph becoming calm.
Low: 27 °F		 Tuesday

Tuesday: Sunny, with a high near 59. Calm wind becoming northeast around 5 mph.
High: 59 °F
Frost then
Cloudy
 Frost

 Frost then
Sunny
 Frost then
Frost and
Patchy Fog
 Frost and
Patchy Fog
then Sunny
 Frost

 Frost then
Sunny
 Mostly Clear

 Sunny

 

Today
 
 Widespread frost, mainly before 8am. Otherwise, cloudy, with a high near 48. Northwest wind around 10 mph.
Tonight
 
 Areas of frost before midnight, then widespread frost after 1am. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 28. North northwest wind 5 to 10 mph.
Saturday
 
 Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 50. Light north northwest wind becoming north 5 to 10 mph.
Saturday Night
 
 Patchy fog after 3am. Widespread frost, mainly after 8pm. Otherwise, mostly clear, with a low around 25. Calm wind.
Sunday
 
 Patchy fog before 8am. Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 54. Calm wind becoming north northeast around 5 mph in the afternoon.
Sunday Night
 
 Widespread frost, mainly after 11pm. Otherwise, mostly clear, with a low around 28. North northeast wind around 5 mph becoming calm.
Monday
 
 Widespread frost before 8am. Otherwise, sunny, with a high near 54. Calm wind becoming east northeast around 5 mph.
Monday Night
 
 Mostly clear, with a low around 27. North northeast wind around 5 mph becoming calm.
Tuesday
 
 Sunny, with a high near 59. Calm wind becoming northeast around 5 mph.
Tuesday Night
 
 Clear, with a low around 27.
Wednesday
 
 Sunny, with a high near 63.
Wednesday Night
 
 Mostly clear, with a low around 32.
Thursday
 
 Mostly sunny, with a high near 67.

 

Forecast from NOAA-NWS for Watertown TN.