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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:06 am CDT Jul 12, 2026
 
Today

Today: Showers and thunderstorms likely before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. High near 82. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
High: 82 °F		 Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly before midnight. Patchy fog between midnight and 1am. Otherwise, mostly cloudy, with a low around 68. North northwest wind around 5 mph becoming calm.
Low: 68 °F		 Monday

Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 83. Northeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
High: 83 °F		 Monday
Night
Monday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 67. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Low: 67 °F		 Tuesday

Tuesday: A slight chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly sunny, with a high near 86. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 60%.
High: 86 °F		 Tuesday
Night
Tuesday Night: T-Storms likely before 7pm. Partly cloudy, with a low around 68. East wind around 5 mph becoming calm. Chance of precipitation is 60%.
Low: 68 °F		 Wednesday

Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming south around 5 mph.
High: 88 °F		 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 70. Calm wind.
Low: 70 °F		 Thursday

Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Calm wind becoming west northwest around 5 mph in the afternoon.
High: 90 °F
Chance
T-storms then
T-storms
 Chance
T-storms and
Patchy Fog
 Slight Chance
T-storms then
Chance
T-storms
 T-storms
Likely then
Slight Chance
Showers
 Slight Chance
T-storms then
T-storms
Likely
 T-storms
Likely then
Partly Cloudy
 Mostly Sunny
then Slight
Chance
T-storms
 Mostly Clear

 Mostly Sunny
then Chance
T-storms

Flood Watch
 

Today
 
 Showers and thunderstorms likely before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. High near 82. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
 
 A 30 percent chance of showers and thunderstorms, mainly before midnight. Patchy fog between midnight and 1am. Otherwise, mostly cloudy, with a low around 68. North northwest wind around 5 mph becoming calm.
Monday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 83. Northeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
 
 Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 67. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
 
 A slight chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly sunny, with a high near 86. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 60%.
Tuesday Night
 
 Thunderstorms likely before 7pm. Partly cloudy, with a low around 68. East wind around 5 mph becoming calm. Chance of precipitation is 60%.
Wednesday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming south around 5 mph.
Wednesday Night
 
 Mostly clear, with a low around 70. Calm wind.
Thursday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
 
 Partly cloudy, with a low around 71.
Friday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Friday Night
 
 Partly cloudy, with a low around 71.
Saturday
 
 A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.

 

Forecast from NOAA-NWS for Watertown TN.