Weather – Chattanooga, TN

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  • Heat Advisory for Chattanooga, TN - Click for Details
    ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ FRIDAY...
    Expires: September 04, 2026 @ 8:00pm
    WHAT
    Afternoon heat index values will reach or exceed 100 across much of the area, with some locations peaking around 107.
    WHERE
    A portion of East Tennessee, primarily in valley locations, including the Sequatchie Valley, will be most likely to approach heat indices near or slightly above 105F during the peak heat of the late afternoon hours.
    WHEN
    Until 8 PM EDT /7 PM CDT/ Friday.
    IMPACTS
    Hot temperatures and high humidity may cause heat illnesses.
    PRECAUTIONARY/PREPAREDNESS ACTIONS
    Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
  • Heat Advisory for Chattanooga, TN - Click for Details
    ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ FRIDAY...
    Expires: September 04, 2026 @ 8:00pm
    WHAT
    Afternoon heat index values will reach or exceed 100 across much of the area, with some locations peaking around 107.
    WHERE
    A portion of East Tennessee, primarily in valley locations, including the Sequatchie Valley, will be most likely to approach heat indices near or slightly above 105F during the peak heat of the late afternoon hours.
    WHEN
    Until 8 PM EDT /7 PM CDT/ Friday.
    IMPACTS
    Hot temperatures and high humidity may cause heat illnesses.
    PRECAUTIONARY/PREPAREDNESS ACTIONS
    Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Chattanooga, TN
Mostly Sunny
99°
Mostly Sunny
Humidity: 38% Dew Point: 69°
Wind: ESE 3 mph
Conditions as of 4:47pm
Thursday
99°
Mainly sunny with a high of 99.
5%  
7:15am   8:04pm
Thursday Night
75°
Mainly clear with overnight lows approaching 75.
3%  
7:15am   8:04pm
Friday
98°
Mainly sunny skies with daytime highs approaching 98.
4%  
7:15am   8:03pm
7-Day Forecast:
Thursday
9/3
Mostly Sunny
99°
Mainly sunny with a high of 99. Southeasterly winds around 5 mph.
5% ESE 3 mph
Sunrise: 7:15am  Sunset: 8:04pm Moon: Last Quarter
5%
ESE 3 mph
Thursday Night
Mostly Clear
75°
Mainly clear with overnight lows approaching 75. Winds turning northeast around 5 mph.
3% ENE 1 mph
3%
ENE 1 mph
Friday
9/4
Mostly Sunny
98°
Mainly sunny skies with daytime highs approaching 98. Winds becoming east around 5 mph.
4% ESE 1 mph
Sunrise: 7:15am  Sunset: 8:03pm Moon: Last Quarter
4%
ESE 1 mph
Friday Night
Mostly Clear
75°
Lows around 75 under mainly clear skies. Winds becoming east around 5 mph.
3% ENE 1 mph
3%
ENE 1 mph
Saturday
9/5
Isolated Thunderstorms
98°
Daytime highs approaching 98 under mainly clear skies with a chance for scattered thunderstorms late. Winds turning northwest around 5 mph.
28% NW 1 mph
Sunrise: 7:16am  Sunset: 8:02pm Moon: Waning Crescent
28%
NW 1 mph
Saturday Night
Isolated Thunderstorms
74°
Chance for scattered thunderstorms, otherwise partly cloudy. Lows level off around 74. Winds becoming north around 5 mph.
6% NNW 3 mph
6%
NNW 3 mph
Sunday
9/6
Isolated Thunderstorms
95°
Mainly sunny skies with a slight chance for scattered thunderstorms. Highs level off around 95. North winds around 5 mph.
18% N 3 mph
Sunrise: 7:17am  Sunset: 8:00pm Moon: Waning Crescent
18%
N 3 mph
Sunday Night
Isolated Thunderstorms
71°
Slight chance for scattered thunderstorms, otherwise partly cloudy skies. Low of 71. Winds out of the east around 5 mph.
21% ENE 3 mph
21%
ENE 3 mph
Monday
9/7
Isolated Thunderstorms
91°
High temperatures reach up to 91 under partly cloudy skies with a chance for scattered storms. Winds out of the southeast 5 to 10 mph.
26% SSE 4 mph
Sunrise: 7:17am  Sunset: 7:59pm Moon: Waning Crescent
26%
SSE 4 mph
Monday Night
Partly Cloudy
69°
Lows dip down to about 69 under partly cloudy skies. Southeast winds 5 to 10 mph.
9% SSE 4 mph
9%
SSE 4 mph
Tuesday
9/8
Partly Cloudy
92°
Daytime highs approaching 92 under partly cloudy skies. Winds out of the south around 5 mph.
10% SSE 3 mph
Sunrise: 7:18am  Sunset: 7:57pm Moon: Waning Crescent
10%
SSE 3 mph
Tuesday Night
Mostly Clear
70°
Overnight lows approaching 70 under mainly clear skies. South winds around 5 mph.
1% SSE 3 mph
1%
SSE 3 mph
Wednesday
9/9
Mostly Sunny
93°
Mainly sunny skies and calm with highs around 93. Southerly winds around 5 mph.
13% S 2 mph
Sunrise: 7:19am  Sunset: 7:56pm Moon: New Moon
13%
S 2 mph
Next 36 Hours
5:00pm
Mostly Sunny
97°
Mostly Sunny
ESE 3 mph
6:00pm
Sunny
95°
Mostly Sunny
E 3 mph
7:00pm
Sunny
92°
Sunny
ENE 2 mph
8:00pm
Sunny
90°
Mostly Sunny
E 2 mph
9:00pm
Clear
85°
Clear
ESE 1 mph
10:00pm
Clear
83°
Mainly Clear
ESE 1 mph
11:00pm
Mostly Clear
81°
Mainly Clear
SE 0 mph
12:00am
Mostly Clear
81°
Partly Cloudy
N 0 mph
1:00am
Clear
79°
Mainly Clear
N 0 mph
2:00am
Partly Cloudy
79°
Partly Cloudy
N 0 mph
3:00am
Mostly Clear
77°
Partly Cloudy
N 0 mph
4:00am
Clear
76°
Mainly Clear
N 0 mph
5:00am
Clear
76°
Mainly Clear
N 0 mph
6:00am
Clear
76°
Mainly Clear
N 0 mph
7:00am
Sunny
74°
Sunny
N 0 mph
8:00am
Sunny
76°
Sunny
SE 0 mph
9:00am
Sunny
77°
Sunny
S 1 mph
10:00am
Sunny
83°
Sunny
S 1 mph
11:00am
Sunny
88°
Sunny
S 1 mph
12:00pm
Sunny
90°
Sunny
S 1 mph
1:00pm
Sunny
94°
Sunny
ESE 1 mph
2:00pm
Sunny
95°
Mostly Sunny
E 2 mph
3:00pm
Sunny
95°
Mostly Sunny
ESE 2 mph
4:00pm
Mostly Sunny
97°
Clouds and Sun
E 2 mph
5:00pm
Mostly Sunny
97°
Mostly Sunny
ESE 3 mph
6:00pm
Sunny
95°
Mostly Sunny
E 2 mph
7:00pm
Sunny
94°
Sunny
E 2 mph
8:00pm
Mostly Sunny
92°
Mostly Sunny
ESE 2 mph
9:00pm
Mostly Clear
85°
Mainly Clear
SSE 1 mph
10:00pm
Mostly Clear
83°
Partly Cloudy
S 1 mph
11:00pm
Mostly Clear
83°
Mainly Clear
SSE 1 mph
12:00am
Mostly Clear
81°
Mainly Clear
N 0 mph
1:00am
Clear
79°
Mainly Clear
N 0 mph
2:00am
Clear
79°
Mainly Clear
N 0 mph
3:00am
Clear
77°
Clear
N 0 mph
4:00am
Clear
76°
Mainly Clear
N 0 mph
5:00am
Clear
76°
Mainly Clear
SSW 0 mph

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