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Clayton, MO

72°F
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Clayton, MO Weather
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Winter Center
Today Hourly

Daily

 Radar MinuteCast Monthly Air Quality Health & Activities
Air Quality Alert

June 17 - July 31

Tue 6/17

89° /74°
25%
Partly sunny and humid
alerts

Air Quality Alert

3:23 PM Monday - 8:00 PM Tuesday

RealFeel®97°

RealFeel Shade™90°

Max UV Index11 (Extreme)

WindSSW 7 mph

Wed 6/18

86° /69°
93%
Variable clouds, breezy and humid with a couple of heavy thunderstorms; storms can bring flooding downpours, hail, damaging wind gusts, and an isolated tornado

RealFeel®90°

RealFeel Shade™85°

Max UV Index7 (High)

WindS 15 mph

Thu 6/19

87° /68°
1%
Pleasant with sunshine and a few clouds

RealFeel®97°

RealFeel Shade™87°

Max UV Index11 (Extreme)

WindWNW 4 mph

Fri 6/20

93° /74°
1%
Hot with plenty of sunshine; possible danger of dehydration and heatstroke while doing strenuous activities

RealFeel®100°

RealFeel Shade™93°

Max UV Index11 (Extreme)

WindSSW 6 mph

Sat 6/21

95° /76°
1%
Hot with plenty of sun

RealFeel®101°

RealFeel Shade™95°

Max UV Index11 (Extreme)

WindSSW 10 mph

Sun 6/22

94° /76°
1%
Hot with plenty of sun

RealFeel®102°

RealFeel Shade™95°

Max UV Index11 (Extreme)

WindSSW 8 mph

Mon 6/23

95° /76°
1%
Hot with plenty of sun

RealFeel®101°

RealFeel Shade™94°

Max UV Index11 (Extreme)

WindSSW 6 mph

Tue 6/24

92° /74°
40%
Partly sunny and humid; watch for a strong thunderstorm in the afternoon

RealFeel®100°

RealFeel Shade™95°

Max UV Index11 (Extreme)

WindSSW 7 mph

Wed 6/25

90° /75°
21%
Humid with times of clouds and sun

RealFeel®97°

RealFeel Shade™91°

Max UV Index10 (Very High)

WindSW 6 mph

Thu 6/26

90° /74°
9%
Sunny to partly cloudy and uncomfortably humid

RealFeel®100°

RealFeel Shade™97°

Max UV Index11 (Extreme)

WindS 10 mph

Fri 6/27

89° /73°
25%
Clouds to start, then sunshine returns and uncomfortably humid

RealFeel®99°

RealFeel Shade™94°

Max UV Index5 (Moderate)

WindW 6 mph

Sat 6/28

88° /74°
17%
Uncomfortably humid with sunshine and a few clouds

RealFeel®97°

RealFeel Shade™93°

Max UV Index11 (Extreme)

WindS 7 mph

Sun 6/29

89° /70°
20%
Humid with abundant sunshine

RealFeel®97°

RealFeel Shade™89°

Max UV Index11 (Extreme)

WindSSW 7 mph

Mon 6/30

92° /75°
20%
Brilliant sunshine and humid

RealFeel®102°

RealFeel Shade™97°

Max UV Index11 (Extreme)

WindSSW 6 mph

Tue 7/1

91° /74°
20%
Sunshine and humid

RealFeel®101°

RealFeel Shade™96°

Max UV Index11 (Extreme)

WindSSW 7 mph

Wed 7/2

92° /75°
5%
Humid with plenty of sun

RealFeel®102°

RealFeel Shade™98°

Max UV Index11 (Extreme)

WindSSW 6 mph

Thu 7/3

93° /75°
5%
Hot and humid with brilliant sunshine

RealFeel®103°

RealFeel Shade™99°

Max UV Index11 (Extreme)

WindSSW 5 mph

Fri 7/4

92° /74°
5%
Mostly sunny and humid

RealFeel®101°

RealFeel Shade™95°

Max UV Index11 (Extreme)

WindSSW 6 mph

Sat 7/5

93° /75°
5%
Hot with plenty of sunshine

RealFeel®102°

RealFeel Shade™95°

Max UV Index11 (Extreme)

WindSW 5 mph

Sun 7/6

93° /75°
5%
Hot with plenty of sunshine

RealFeel®102°

RealFeel Shade™94°

Max UV Index11 (Extreme)

WindSSW 5 mph

Mon 7/7

92° /76°
5%
Hot with sunshine

RealFeel®102°

RealFeel Shade™95°

Max UV Index11 (Extreme)

WindSW 2 mph

Tue 7/8

94° /76°
5%
Hot with plenty of sunshine

RealFeel®103°

RealFeel Shade™97°

Max UV Index11 (Extreme)

WindSSW 5 mph

Wed 7/9

94° /75°
20%
Hot with sunshine and a few clouds

RealFeel®104°

RealFeel Shade™98°

Max UV Index11 (Extreme)

WindSE 5 mph

Thu 7/10

93° /75°
10%
Mostly sunny and humid

RealFeel®104°

RealFeel Shade™100°

Max UV Index11 (Extreme)

WindSE 4 mph

Fri 7/11

92° /76°
10%
Mostly sunny and humid

RealFeel®101°

RealFeel Shade™97°

Max UV Index11 (Extreme)

WindS 8 mph

Sat 7/12

92° /76°
25%
Clouds to start, then sunshine returns

RealFeel®99°

RealFeel Shade™95°

Max UV Index11 (Extreme)

WindSSW 10 mph

Sun 7/13

93° /77°
25%
Hot with partial sunshine

RealFeel®101°

RealFeel Shade™96°

Max UV Index7 (High)

WindWSW 7 mph

Mon 7/14

94° /77°
10%
Mostly sunny and hot

RealFeel®100°

RealFeel Shade™93°

Max UV Index11 (Extreme)

WindSW 7 mph

Tue 7/15

93° /76°
20%
Sunny to partly cloudy and hot

RealFeel®98°

RealFeel Shade™91°

Max UV Index11 (Extreme)

WindSW 7 mph

Wed 7/16

94° /77°
25%
Mostly cloudy and hot

RealFeel®100°

RealFeel Shade™100°

Max UV Index4 (Moderate)

WindNE 6 mph

Thu 7/17

92° /75°
55%
Mostly cloudy with a thunderstorm

RealFeel®99°

RealFeel Shade™96°

Max UV Index2 (Low)

WindENE 4 mph

Fri 7/18

91° /74°
20%
Mostly sunny

RealFeel®98°

RealFeel Shade™91°

Max UV Index11 (Extreme)

WindESE 4 mph

Sat 7/19

90° /74°
70%
Cloudy with showers and thunderstorms becoming more widespread

RealFeel®91°

RealFeel Shade™89°

Max UV Index2 (Low)

WindS 9 mph

Sun 7/20

85° /71°
10%
Abundant sunshine

RealFeel®93°

RealFeel Shade™84°

Max UV Index11 (Extreme)

WindN 6 mph

Mon 7/21

85° /69°
20%
Mostly sunny

RealFeel®93°

RealFeel Shade™84°

Max UV Index11 (Extreme)

WindW 4 mph

Tue 7/22

86° /68°
10%
Mostly sunny and less humid

RealFeel®89°

RealFeel Shade™83°

Max UV Index10 (Very High)

WindNW 9 mph

Wed 7/23

84° /67°
20%
Mostly sunny

RealFeel®88°

RealFeel Shade™81°

Max UV Index10 (Very High)

WindNW 8 mph

Thu 7/24

84° /67°
20%
Sunny to partly cloudy

RealFeel®91°

RealFeel Shade™83°

Max UV Index10 (Very High)

WindWNW 4 mph

Fri 7/25

85° /68°
20%
More sun than clouds

RealFeel®91°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindESE 5 mph

Sat 7/26

86° /70°
25%
Increasing cloudiness

RealFeel®89°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindSE 6 mph

Sun 7/27

86° /71°
39%
Sun and clouds with a thunderstorm in spots in the afternoon

RealFeel®94°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindSSE 4 mph

Mon 7/28

85° /68°
0%
Less humid with sunshine and a few clouds

RealFeel®89°

RealFeel Shade™83°

Max UV Index10 (Very High)

WindENE 7 mph

Tue 7/29

85° /67°
25%
Partly sunny

RealFeel®88°

RealFeel Shade™82°

Max UV Index10 (Very High)

WindNE 8 mph

Wed 7/30

87° /68°
1%
Some sun

RealFeel®90°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindNNE 8 mph

Thu 7/31

86° /67°
3%
Partial sunshine

RealFeel®95°

RealFeel Shade™91°

Max UV Index10 (Very High)

WindNNE 4 mph

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World North America United States Missouri Clayton

Weather Near Clayton:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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