Watertown, TN Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Watertown, TN.

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Current Conditions — Watertown, TN

LEBANON (KM54)

Clear

57.2 F
Humidity:59%
Wind Speed:SW 4.6 mph
Barometer:30.14 in
Dewpoint:42.8 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 02:30 AM CDT
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5-Day Forecast — Watertown, TN

Wednesday

High 80 °F
Forecast Missing
Wednesday
Night
Low 53 °F
Mostly Clear
Thursday

High 82 °F
Mostly Sunny
Thursday
Night
Low 59 °F
Partly Cloudy
Friday

High 82 °F
Chance of T-storms
Friday
Night
Low 60 °F
T-storms
Saturday

High 77 °F
T-storms
Saturday
Night
Low 55 °F
Slight Chance of Showers
Sunday

High 80 °F
Chance of Showers

Detailed Forecast — Watertown, TN

Wednesday
Sunny. High near 80°F. Wind 3 to 8 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly Clear. Low around 53°F. Wind 2 to 3 mph, with gusts as high as 8 mph.
Thursday
Mostly Sunny. High near 82°F. Wind 3 to 9 mph, with gusts as high as 16 mph.
Thursday Night
Partly Cloudy. Low around 59°F. Wind 5 to 6 mph, with gusts as high as 13 mph.
Friday
Chance of Thunderstorms. High near 82°F. Wind 7 to 12 mph, with gusts as high as 21 mph.
Friday Night
Thunderstorms. Low around 60°F. Wind around 3 mph, with gusts as high as 9 mph.
Saturday
Thunderstorms. High near 77°F. Wind 3 to 6 mph, with gusts as high as 13 mph.
Saturday Night
Slight Chance of Showers. Low around 55°F. Wind around 1 mph, with gusts as high as 6 mph.
Sunday
Chance of Showers. High near 80°F. Wind 3 to 5 mph, with gusts as high as 9 mph.
Sunday Night
Chance of Scattered Thunderstorms. Low around 57°F. Wind around 3 mph, with gusts as high as 12 mph.
Monday
Thunderstorms Likely. High near 80°F. Wind 14 to 15 mph, with gusts as high as 24 mph.
Monday Night
Rain Likely. Low around 62°F. Wind around 12 mph, with gusts as high as 21 mph.
Tuesday
Chance of Scattered Thunderstorms. High near 78°F. Wind 6 to 12 mph, with gusts as high as 20 mph.
TN Radar
Current Radar • TN
Day 1 Outlook • April 22, 2026

Observation History — Watertown, TN

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
02:30 AM CDT SW 4.6 10.00 Clear -- 57.2 42.8 59% NA NA 30.14 1020.7
02:10 AM CDT 4.6 10.00 Mostly Clear -- 57.2 44.6 63% NA NA 30.14 1020.7
01:35 AM CDT SW 5.7 10.00 Mostly Clear -- 55.4 44.6 67% NA NA 30.14 1020.7
01:10 AM CDT 0.0 10.00 Clear -- 53.6 44.6 71% NA NA 30.15 1021.0
12:50 AM CDT 10.00 Mostly Clear -- NULL % NA NA M
12:35 AM CDT 4.6 10.00 Clear -- 57.2 42.8 59% NA NA 30.16 1021.3
12:10 AM CDT 0.0 10.00 Clear -- 57.2 42.8 59% NA NA 30.16 1021.3
11:35 PM CDT SW 6.9 10.00 Clear -- 62.6 42.8 48% NA NA 30.16 1021.3
11:05 PM CDT SW 9.2 10.00 Clear -- 62.6 42.8 48% NA NA 30.16 1021.3
10:50 PM CDT 10.00 Clear -- NULL % NA NA M
10:35 PM CDT 10.00 Clear -- NULL % NA NA M
10:10 PM CDT 6.9 10.00 Clear -- 64.4 42.8 45% NA NA 30.16 1021.3
08:35 PM CDT 10.00 Clear -- NULL % NA NA M
08:10 PM CDT SW 6.9 10.00 Clear -- 68.0 41.0 37% NA NA 30.13 1020.3
07:25 PM CDT 9.2 10.00 Clear -- NULL 41.0 % NA NA 30.13 1020.3
07:10 PM CDT 6.9 10.00 Clear -- 71.6 42.8 35% NA 70.2 30.13 1020.3
06:50 PM CDT 10.00 Clear -- NULL % NA NA M
06:30 PM CDT 11.5 10.00 Clear -- 75.2 42.8 31% NA 73.9 30.13 1020.3
06:10 PM CDT 10.00 Clear -- 77.0 41.0 28% NA 75.7 30.13 1020.3
05:30 PM CDT 9.2 G 18.4 10.00 Clear -- 80.6 37.4 21% NA 79.3 30.13 1020.3
05:10 PM CDT 13.8 G 20.7 10.00 Clear -- 80.6 37.4 21% NA 79.3 30.13 1020.3
04:30 PM CDT 10.00 Clear -- NULL % NA NA M
04:10 PM CDT 12.7 G 18.4 10.00 Clear -- 80.6 37.4 21% NA 79.3 30.13 1020.3
03:30 PM CDT 8.1 G 18.4 10.00 Clear -- 80.6 41.0 24% NA 79.5 30.15 1021.0

Regional Weather Observation

LEBANON (KM54)

Clear
57.2 F

SMYRNA (KMQY)

Clear
53.6 F

GALLATIN (KXNX)

Clear
51.8 F

NASHVILLE (KBNA)

Clear
55.4 F

PORTLAND (K1M5)

Clear
55.4 F

NASHV/JC TUNE (KJWN)

Clear
59.0 F
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