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100-degree heat dome to set up shop over southern US. Get the forecast Chevron right

South Knoxville, TN

82°F
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South Knoxville, TN Weather
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Winter Center

Today Hourly

Daily

Radar MinuteCast Monthly Air Quality Health & Activities

July 21 - September 3

Mon 7/21

94° /74°
90%
Turning cloudy and humid; a couple of afternoon showers and a heavy thunderstorm; thunderstorms can bring flash flooding and localized damaging wind gusts

RealFeel®111°

RealFeel Shade™101°

Max UV Index10 (Very High)

WindWSW 5 mph

Tue 7/22

90° /72°
40%
Humid with intervals of clouds and sun; a thunderstorm in spots in the afternoon

RealFeel®102°

RealFeel Shade™94°

Max UV Index10 (Very High)

WindNNE 6 mph

Wed 7/23

93° /75°
40%
Partly sunny and warm; a thunderstorm in spots in the afternoon

RealFeel®104°

RealFeel Shade™95°

Max UV Index10 (Very High)

WindNE 5 mph

Thu 7/24

93° /73°
3%
Mostly sunny

RealFeel®104°

RealFeel Shade™93°

Max UV Index11 (Extreme)

WindSE 2 mph

Fri 7/25

90° /73°
9%
Sunny and humid

RealFeel®104°

RealFeel Shade™93°

Max UV Index11 (Extreme)

WindSSE 2 mph

Sat 7/26

88° /70°
66%
Humid with partial sunshine; a couple of thunderstorms in the afternoon

RealFeel®100°

RealFeel Shade™89°

Max UV Index10 (Very High)

WindSW 7 mph

Sun 7/27

87° /72°
66%
Partly sunny and humid; a couple of thunderstorms in the afternoon

RealFeel®101°

RealFeel Shade™92°

Max UV Index11 (Extreme)

WindWSW 8 mph

Mon 7/28

87° /71°
59%
Mostly cloudy and humid; occasional rain and a thunderstorm in the morning followed by a thunderstorm in spots in the afternoon

RealFeel®102°

RealFeel Shade™96°

Max UV Index6 (High)

WindSW 2 mph

Tue 7/29

90° /70°
38%
Mostly cloudy and humid; a thunderstorm in spots in the morning, watch for a strong thunderstorm in the afternoon

RealFeel®104°

RealFeel Shade™97°

Max UV Index10 (Very High)

WindNE 2 mph

Wed 7/30

92° /70°
67%
Humid; sun and areas of high clouds in the morning, then mostly cloudy in the afternoon with a couple of thunderstorms

RealFeel®106°

RealFeel Shade™97°

Max UV Index11 (Extreme)

WindSW 4 mph

Thu 7/31

91° /68°
2%
Partly sunny and humid

RealFeel®104°

RealFeel Shade™97°

Max UV Index11 (Extreme)

WindNE 4 mph

Fri 8/1

92° /68°
64%
Variable cloudiness with a couple of thunderstorms, especially late; humid

RealFeel®107°

RealFeel Shade™100°

Max UV Index10 (Very High)

WindSSW 1 mph

Sat 8/2

91° /68°
60%
Variable clouds with a couple of thunderstorms

RealFeel®96°

RealFeel Shade™95°

Max UV Index7 (High)

WindSSE 4 mph

Sun 8/3

90° /66°
20%
Intervals of clouds and sun

RealFeel®96°

RealFeel Shade™93°

Max UV Index6 (High)

WindSSE 4 mph

Mon 8/4

89° /69°
20%
Partial sunshine

RealFeel®100°

RealFeel Shade™90°

Max UV Index9 (Very High)

WindS 4 mph

Tue 8/5

90° /68°
25%
Mainly cloudy

RealFeel®94°

RealFeel Shade™90°

Max UV Index3 (Moderate)

WindSSW 2 mph

Wed 8/6

91° /69°
20%
Sunshine and a few clouds

RealFeel®99°

RealFeel Shade™90°

Max UV Index10 (Very High)

WindSW 4 mph

Thu 8/7

90° /69°
25%
Humid with times of clouds and sun

RealFeel®100°

RealFeel Shade™93°

Max UV Index7 (High)

WindSE 2 mph

Fri 8/8

90° /68°
62%
A couple of showers in the morning; otherwise, cloudy and humid

RealFeel®91°

RealFeel Shade™91°

Max UV Index3 (Moderate)

WindSSW 8 mph

Sat 8/9

83° /68°
58%
Cloudy and humid with a couple of thunderstorms

RealFeel®89°

RealFeel Shade™88°

Max UV Index3 (Moderate)

WindSSW 5 mph

Sun 8/10

83° /67°
58%
A couple of morning showers; otherwise, remaining cloudy

RealFeel®89°

RealFeel Shade™89°

Max UV Index3 (Moderate)

WindNW 1 mph

Mon 8/11

84° /66°
40%
Clouds and sun with a thunderstorm in spots in the afternoon

RealFeel®88°

RealFeel Shade™87°

Max UV Index4 (Moderate)

WindSE 2 mph

Tue 8/12

84° /68°
25%
Times of sun and clouds

RealFeel®91°

RealFeel Shade™88°

Max UV Index7 (High)

WindE 2 mph

Wed 8/13

85° /68°
25%
Partly sunny and humid

RealFeel®97°

RealFeel Shade™89°

Max UV Index10 (Very High)

WindE 2 mph

Thu 8/14

85° /67°
39%
Thickening clouds and humid; a thunderstorm in spots in the afternoon

RealFeel®97°

RealFeel Shade™89°

Max UV Index10 (Very High)

WindENE 2 mph

Fri 8/15

84° /68°
40%
Considerable cloudiness with a thundershower in spots; humid

RealFeel®93°

RealFeel Shade™90°

Max UV Index2 (Low)

WindN 1 mph

Sat 8/16

85° /67°
25%
Mostly cloudy and humid

RealFeel®96°

RealFeel Shade™89°

Max UV Index5 (Moderate)

WindSE 1 mph

Sun 8/17

84° /68°
64%
A couple of morning showers and a thunderstorm; otherwise, cloudy and humid

RealFeel®91°

RealFeel Shade™90°

Max UV Index2 (Low)

WindN 1 mph

Mon 8/18

84° /68°
56%
Cloudy and humid; a couple of showers in the afternoon

RealFeel®91°

RealFeel Shade™90°

Max UV Index4 (Moderate)

WindENE 1 mph

Tue 8/19

85° /67°
69%
Remaining cloudy and humid; periods of rain in the morning followed by a thunderstorm in the afternoon

RealFeel®91°

RealFeel Shade™91°

Max UV Index2 (Low)

WindENE 2 mph

Wed 8/20

83° /68°
63%
Sun and clouds with a couple of showers and a thunderstorm; humid

RealFeel®89°

RealFeel Shade™87°

Max UV Index2 (Low)

WindNNW 5 mph

Thu 8/21

84° /67°
25%
Mostly cloudy

RealFeel®88°

RealFeel Shade™86°

Max UV Index4 (Moderate)

WindNNE 5 mph

Fri 8/22

84° /63°
10%
Mostly sunny

RealFeel®91°

RealFeel Shade™83°

Max UV Index9 (Very High)

WindNE 6 mph

Sat 8/23

83° /62°
20%
Mostly sunny

RealFeel®91°

RealFeel Shade™83°

Max UV Index9 (Very High)

WindNE 4 mph

Sun 8/24

84° /64°
25%
Cloudy

RealFeel®86°

RealFeel Shade™85°

Max UV Index2 (Low)

WindSSW 4 mph

Mon 8/25

84° /65°
20%
Sunshine and a few clouds

RealFeel®90°

RealFeel Shade™82°

Max UV Index9 (Very High)

WindSW 5 mph

Tue 8/26

85° /67°
60%
A couple of showers in the morning; otherwise, mostly cloudy and humid

RealFeel®91°

RealFeel Shade™88°

Max UV Index2 (Low)

WindWSW 1 mph

Wed 8/27

84° /65°
25%
Turning cloudy

RealFeel®87°

RealFeel Shade™87°

Max UV Index4 (Moderate)

WindSSE 2 mph

Thu 8/28

84° /67°
70%
Cloudy and humid; afternoon showers and thunderstorms

RealFeel®88°

RealFeel Shade™87°

Max UV Index2 (Low)

WindSSE 5 mph

Fri 8/29

83° /66°
56%
A couple of morning showers; otherwise, humid with times of clouds and sun

RealFeel®93°

RealFeel Shade™86°

Max UV Index5 (Moderate)

WindNW 1 mph

Sat 8/30

84° /62°
25%
Partly sunny

RealFeel®92°

RealFeel Shade™83°

Max UV Index8 (Very High)

WindNNE 4 mph

Sun 8/31

83° /63°
5%
Plenty of sunshine

RealFeel®90°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindENE 2 mph

Mon 9/1

86° /60°
2%
Sun and areas of low clouds

RealFeel®87°

RealFeel Shade™87°

Max UV Index3 (Moderate)

WindSSW 2 mph

Tue 9/2

85° /60°
6%
Times of sun and clouds

RealFeel®87°

RealFeel Shade™84°

Max UV Index4 (Moderate)

WindSSE 1 mph

Wed 9/3

89° /64°
1%
Sunshine

RealFeel®93°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindSW 4 mph

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World North America United States Tennessee South Knoxville

Weather Near South Knoxville:

  • Knoxville, TN
  • Morristown, TN
  • Oak Ridge, TN
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