Lebanon, TN Weather Forecast & Alerts

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

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Current Conditions — Lebanon, TN

GALLATIN (KXNX)

Clear

NULL F
Humidity:%
Wind Speed: mph
Barometer: in
Dewpoint: F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 02:55 AM CDT
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5-Day Forecast — Lebanon, TN

Wednesday

High 82 °F
Mostly Sunny
Wednesday
Night
Low 53 °F
Mostly Clear
Thursday

High 84 °F
Partly Sunny
Thursday
Night
Low 59 °F
Partly Cloudy
Friday

High 82 °F
Chance of T-storms
Friday
Night
Low 62 °F
T-storms
Saturday

High 78 °F
T-storms Likely
Saturday
Night
Low 55 °F
Slight Chance of Showers
Sunday

High 82 °F
Slight Chance of Showers

Detailed Forecast — Lebanon, TN

Wednesday
Mostly Sunny. High near 82°F. Wind 2 to 8 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly Clear. Low around 53°F. Wind 1 to 2 mph, with gusts as high as 8 mph.
Thursday
Partly Sunny. High near 84°F. Wind 2 to 9 mph, with gusts as high as 15 mph.
Thursday Night
Partly Cloudy. Low around 59°F. Wind 3 to 5 mph, with gusts as high as 10 mph.
Friday
Chance of Thunderstorms. High near 82°F. Wind 7 to 12 mph, with gusts as high as 20 mph.
Friday Night
Thunderstorms. Low around 62°F. Wind around 2 mph, with gusts as high as 8 mph.
Saturday
Thunderstorms Likely. High near 78°F. Wind 3 to 6 mph, with gusts as high as 10 mph.
Saturday Night
Slight Chance of Showers. Low around 55°F.
Sunday
Slight Chance of Showers. High near 82°F. Wind 3 to 5 mph, with gusts as high as 9 mph.
Sunday Night
Chance of Scattered Thunderstorms. Low around 59°F. Wind around 2 mph, with gusts as high as 9 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 20 mph.
Tuesday
Chance of Scattered Thunderstorms. High near 80°F. Wind 6 to 10 mph, with gusts as high as 18 mph.
TN Radar
Current Radar • TN
Day 1 Outlook • April 22, 2026

Observation History — Lebanon, 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)
02:55 AM CDT 10.00 Clear -- NULL % NA NA M
02:30 AM CDT 0.0 10.00 Clear -- 51.8 46.4 82% NA NA 30.18 1022.0
02:15 AM CDT 0.0 10.00 Clear -- 51.8 48.2 87% NA NA 30.18 1022.0
01:55 AM CDT 10.00 Clear -- NULL % NA NA M
01:35 AM CDT 0.0 10.00 Clear -- 53.6 46.4 77% NA NA 30.19 1022.4
01:15 AM CDT 0.0 10.00 Clear -- 55.4 46.4 72% NA NA 30.19 1022.4
12:35 AM CDT 0.0 10.00 Clear -- NULL 48.2 % NA NA 30.20 1022.7
12:15 AM CDT 0.0 10.00 Clear -- 53.6 46.4 77% NA NA 30.20 1022.7
11:55 PM CDT 10.00 Clear -- NULL % NA NA M
11:35 PM CDT 0.0 10.00 Clear -- 59.0 44.6 59% NA NA 30.21 1023.0
11:10 PM CDT 0.0 10.00 Clear -- 59.0 44.6 59% NA NA 30.21 1023.0
10:35 PM CDT 10.00 Clear -- NULL % NA NA M
10:15 PM CDT 0.0 10.00 Clear -- 62.6 42.8 48% NA NA 30.20 1022.7
08:35 PM CDT 10.00 Clear -- NULL % NA NA M
08:10 PM CDT 0.0 10.00 Clear -- 69.8 39.2 33% NA NA 30.18 1022.0
07:55 PM CDT NULL Clear -- NULL % NA NA M
07:35 PM CDT 0.0 10.00 Clear -- 73.4 37.4 27% NA 71.8 30.17 1021.7
07:15 PM CDT 4.6 10.00 Clear -- 73.4 37.4 27% NA 71.8 30.17 1021.7
06:30 PM CDT SW 5.7 G 15.0 10.00 Clear -- 77.0 37.4 24% NA 75.6 30.17 1021.7
06:15 PM CDT 6.9 G 16.1 10.00 Clear -- 78.8 37.4 23% NA 77.4 30.17 1021.7
05:55 PM CDT G 12.7 10.00 Clear -- NULL % NA NA M
05:35 PM CDT 9.2 G 17.3 10.00 Clear -- 80.6 % NA NA 30.18 1022.0
05:10 PM CDT 9.2 G 16.1 10.00 Clear -- 80.6 % NA NA 30.17 1021.7
04:35 PM CDT G 17.3 10.00 Clear -- NULL % NA NA M

Regional Weather Observation

GALLATIN (KXNX)

Clear
NULL F

LEBANON (KM54)

Clear
57.2 F

PORTLAND (K1M5)

Clear
55.4 F

NASHVILLE (KBNA)

Clear
55.4 F

SMYRNA (KMQY)

Clear
53.6 F

NASHV/JC TUNE (KJWN)

Clear
59.0 F
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