Chattanooga, TN Weather Forecast & Alerts

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

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Current Conditions — Chattanooga, TN

CHATTANOOGA (KCHA)

Clear

51.8 F
Humidity:87%
Wind Speed: 0.0 mph
Barometer:30.20 in
Dewpoint:48.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 05:25 AM EDT
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5-Day Forecast — Chattanooga, TN

Wednesday

High 84 °F
Mostly Sunny
Wednesday
Night
Low 57 °F
Mostly Clear
Thursday

High 86 °F
Mostly Sunny
Thursday
Night
Low 57 °F
Mostly Clear
Friday

High 86 °F
Partly Sunny
Friday
Night
Low 62 °F
T-storms Likely
Saturday

High 78 °F
T-storms
Saturday
Night
Low 59 °F
Scattered T-storms
Sunday

High 82 °F
Chance of Scattered T-storms

Detailed Forecast — Chattanooga, TN

Wednesday
Mostly Sunny. High near 84°F. Wind 0 to 6 mph, with gusts as high as 13 mph.
Wednesday Night
Mostly Clear. Low around 57°F. Wind 0 to 2 mph, with gusts as high as 8 mph.
Thursday
Mostly Sunny. High near 86°F. Wind 0 to 5 mph, with gusts as high as 12 mph.
Thursday Night
Mostly Clear. Low around 57°F. Wind 1 to 2 mph, with gusts as high as 8 mph.
Friday
Partly Sunny. High near 86°F. Wind 1 to 7 mph, with gusts as high as 15 mph.
Friday Night
Thunderstorms Likely. Low around 62°F. Wind 1 to 3 mph, with gusts as high as 10 mph.
Saturday
Thunderstorms. High near 78°F. Wind 1 to 6 mph, with gusts as high as 13 mph.
Saturday Night
Scattered Thunderstorms. Low around 59°F. Wind 0 to 2 mph, with gusts as high as 8 mph.
Sunday
Chance of Scattered Thunderstorms. High near 82°F. Wind 1 to 3 mph, with gusts as high as 9 mph.
Sunday Night
Chance of Showers. Low around 59°F. Wind 0 to 2 mph, with gusts as high as 7 mph.
Monday
Chance of Thunderstorms. High near 80°F. Wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Chance of Thunderstorms. Low around 64°F. Wind 8 to 9 mph, with gusts as high as 20 mph.
Tuesday
Chance of Scattered Thunderstorms. High near 82°F. Wind 7 to 10 mph, with gusts as high as 20 mph.
TN Radar
Current Radar • TN
Day 1 Outlook • April 22, 2026

Observation History — Chattanooga, 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)
05:25 AM EDT 0.0 10.00 Clear -- 51.8 48.2 87% NA NA 30.20 1022.7
05:20 AM EDT 0.0 10.00 Clear -- 53.6 48.2 82% NA NA 30.20 1022.7
05:15 AM EDT 0.0 10.00 Clear -- 51.8 48.2 87% NA NA 30.21 1023.0
05:10 AM EDT 0.0 10.00 Clear -- 51.8 46.4 82% NA NA 30.20 1022.7
05:05 AM EDT 0.0 10.00 Clear -- 50.0 46.4 87% NA NA 30.21 1023.0
04:50 AM EDT 0.0 10.00 Clear -- 50.0 46.4 87% NA NA 30.20 1022.7
04:35 AM EDT 0.0 10.00 Clear -- 51.8 46.4 82% NA NA 30.20 1022.7
04:30 AM EDT 0.0 10.00 Clear -- 51.8 48.2 87% NA NA 30.20 1022.7
04:20 AM EDT S 3.4 10.00 Clear -- 51.8 48.2 87% NA NA 30.20 1022.7
04:15 AM EDT 0.0 10.00 Clear -- 51.8 48.2 87% NA NA 30.20 1022.7
04:10 AM EDT 0.0 10.00 Clear -- 53.6 48.2 82% NA NA 30.20 1022.7
04:05 AM EDT 0.0 10.00 Clear -- 53.6 48.2 82% NA NA 30.20 1022.7
03:50 AM EDT 0.0 10.00 Clear -- 51.8 48.2 87% NA NA 30.20 1022.7
03:45 AM EDT 0.0 10.00 Clear -- 51.8 48.2 87% NA NA 30.20 1022.7
03:35 AM EDT 0.0 10.00 Clear -- 51.8 46.4 82% NA NA 30.21 1023.0
03:25 AM EDT 0.0 10.00 Clear -- 51.8 48.2 87% NA NA 30.20 1022.7
03:20 AM EDT 0.0 10.00 Clear -- 51.8 48.2 87% NA NA 30.21 1023.0
03:15 AM EDT 0.0 10.00 Clear -- 51.8 48.2 87% NA NA 30.21 1023.0
03:10 AM EDT 0.0 10.00 Clear -- 51.8 48.2 87% NA NA 30.21 1023.0
03:00 AM EDT 0.0 10.00 Clear -- 53.6 48.2 82% NA NA 30.21 1023.0
02:50 AM EDT 0.0 10.00 Clear -- 55.4 48.2 77% NA NA 30.21 1023.0
02:45 AM EDT 0.0 10.00 Clear -- 55.4 48.2 77% NA NA 30.21 1023.0
02:40 AM EDT 0.0 10.00 Clear -- 55.4 48.2 77% NA NA 30.21 1023.0
02:35 AM EDT 0.0 10.00 Clear -- 55.4 48.2 77% NA NA 30.21 1023.0

Regional Weather Observation

CHATTANOOGA (KCHA)

Clear
51.8 F

MCMINNVILLE (KRNC)

Clear
46.4 F

CROSSVILLE (KCSV)

Clear
48.2 F

WINCHESTER (KBGF)

Clear
48.2 F

(K9A5)


F

CLEVELAND REG. (KRZR)

NULL
46.4 F
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