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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 10:56 am CDT Jun 23, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 79. North wind around 10 mph.
High: 79 °F		 Tonight

Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 58. North wind around 5 mph becoming calm.
Low: 58 °F		 Wednesday

Wednesday: Areas of fog before 7am. Otherwise, mostly sunny, with a high near 83. Calm wind.
High: 83 °F		 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 63. Calm wind.
Low: 63 °F		 Thursday

Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the morning.
High: 87 °F		 Thursday
Night
Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. South wind around 5 mph.
Low: 70 °F		 Friday

Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
High: 89 °F		 Friday
Night
Friday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 73. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Low: 73 °F		 Saturday

Saturday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. West southwest wind around 10 mph, with gusts as high as 20 mph.
High: 89 °F
Sunny

 Clear then
Patchy Fog

 Areas Fog
then Mostly
Sunny
 Partly Cloudy

 Sunny then
Chance
T-storms
 Chance
T-storms then
Chance
Showers
 Mostly Sunny
then Chance
T-storms
 Slight Chance
T-storms then
Chance
Showers
 Chance
T-storms

 

This Afternoon
 
 Sunny, with a high near 79. North wind around 10 mph.
Tonight
 
 Patchy fog after 3am. Otherwise, mostly clear, with a low around 58. North wind around 5 mph becoming calm.
Wednesday
 
 Areas of fog before 7am. Otherwise, mostly sunny, with a high near 83. Calm wind.
Wednesday Night
 
 Partly cloudy, with a low around 63. Calm wind.
Thursday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the morning.
Thursday Night
 
 A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. South wind around 5 mph.
Friday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
 
 A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 73. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday
 
 A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. West southwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
 
 A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Sunday
 
 Sunny, with a high near 92.
Sunday Night
 
 Mostly clear, with a low around 73.
Monday
 
 Sunny, with a high near 94.

 

Forecast from NOAA-NWS for Watertown TN.