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St. Clair, MO

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St. Clair, MO Weather
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Winter Center
Today Hourly

Daily

 Radar MinuteCast Monthly Air Quality Health & Activities

July 3 - August 16

Thu 7/3

90° /66°
1%
Sunshine

RealFeel®102°

RealFeel Shade™90°

Max UV Index11 (Extreme)

WindSSW 4 mph

Fri 7/4

91° /69°
1%
Sunshine; stay hydrated for Independence Day celebrations

RealFeel®99°

RealFeel Shade™90°

Max UV Index11 (Extreme)

WindSSE 6 mph

Sat 7/5

91° /71°
0%
Intervals of clouds and sun

RealFeel®100°

RealFeel Shade™91°

Max UV Index11 (Extreme)

WindSW 7 mph

Sun 7/6

86° /71°
43%
Periods of clouds and sunshine with a thunderstorm in spots; very humid

RealFeel®97°

RealFeel Shade™90°

Max UV Index7 (High)

WindWSW 7 mph

Mon 7/7

84° /68°
40%
More clouds than sun; humid with a thunderstorm in spots

RealFeel®99°

RealFeel Shade™89°

Max UV Index10 (Very High)

WindNNW 5 mph

Tue 7/8

90° /71°
55%
Humid with considerable cloudiness; an afternoon thunderstorm

RealFeel®100°

RealFeel Shade™94°

Max UV Index6 (High)

WindSW 6 mph

Wed 7/9

86° /69°
57%
Cloudy and humid with a couple of thunderstorms

RealFeel®94°

RealFeel Shade™89°

Max UV Index4 (Moderate)

WindW 6 mph

Thu 7/10

86° /68°
40%
Times of clouds and sun with a thunderstorm in spots; humid

RealFeel®100°

RealFeel Shade™90°

Max UV Index11 (Extreme)

WindNW 4 mph

Fri 7/11

87° /69°
58%
Cloudy and humid with a couple of thunderstorms

RealFeel®101°

RealFeel Shade™95°

Max UV Index7 (High)

WindSE 1 mph

Sat 7/12

89° /71°
40%
Mostly cloudy with a thunderstorm in spots

RealFeel®99°

RealFeel Shade™93°

Max UV Index3 (Moderate)

WindSSW 2 mph

Sun 7/13

88° /70°
72%
Cloudy and humid; rain and a thunderstorm in the morning followed by a couple of thunderstorms in the afternoon

RealFeel®94°

RealFeel Shade™94°

Max UV Index3 (Moderate)

WindSSE 5 mph

Mon 7/14

89° /68°
56%
Mostly cloudy and humid; a little morning rain followed by a passing shower in the afternoon

RealFeel®103°

RealFeel Shade™96°

Max UV Index5 (Moderate)

WindSSW 5 mph

Tue 7/15

90° /71°
55%
Some sunshine giving way to clouds; a shower in spots in the morning followed by a little rain in the afternoon

RealFeel®97°

RealFeel Shade™92°

Max UV Index11 (Extreme)

WindSW 7 mph

Wed 7/16

90° /68°
74%
A couple of showers in the morning; otherwise, considerable cloudiness

RealFeel®94°

RealFeel Shade™93°

Max UV Index3 (Moderate)

WindSSE 7 mph

Thu 7/17

86° /70°
65%
A couple of showers and a thunderstorm in the morning; otherwise, humid with intervals of clouds and sunshine

RealFeel®95°

RealFeel Shade™91°

Max UV Index3 (Moderate)

WindNW 5 mph

Fri 7/18

86° /70°
40%
Humid with more clouds than sun; a thunderstorm in spots in the afternoon

RealFeel®95°

RealFeel Shade™94°

Max UV Index5 (Moderate)

WindWSW 2 mph

Sat 7/19

88° /71°
20%
Sunny to partly cloudy and humid

RealFeel®99°

RealFeel Shade™94°

Max UV Index11 (Extreme)

WindS 6 mph

Sun 7/20

92° /72°
25%
Increasing cloudiness and uncomfortably humid

RealFeel®108°

RealFeel Shade™106°

Max UV Index11 (Extreme)

WindSSW 5 mph

Mon 7/21

93° /72°
10%
Mostly sunny and less humid

RealFeel®98°

RealFeel Shade™95°

Max UV Index11 (Extreme)

WindSW 7 mph

Tue 7/22

93° /70°
25%
Clouds to start, then sunshine returns and humid

RealFeel®102°

RealFeel Shade™97°

Max UV Index11 (Extreme)

WindNNW 8 mph

Wed 7/23

87° /66°
20%
Mostly sunny and not as hot with lower humidity

RealFeel®93°

RealFeel Shade™84°

Max UV Index11 (Extreme)

WindN 6 mph

Thu 7/24

86° /66°
20%
Mostly sunny

RealFeel®94°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindN 4 mph

Fri 7/25

86° /66°
25%
Cloudy

RealFeel®85°

RealFeel Shade™85°

Max UV Index3 (Moderate)

WindENE 5 mph

Sat 7/26

87° /66°
25%
Cloudy

RealFeel®87°

RealFeel Shade™87°

Max UV Index3 (Moderate)

WindENE 2 mph

Sun 7/27

86° /67°
25%
Sun followed by increasing clouds

RealFeel®88°

RealFeel Shade™87°

Max UV Index5 (Moderate)

WindESE 4 mph

Mon 7/28

89° /71°
56%
Considerable cloudiness; a passing shower in the morning followed by a thunderstorm in spots in the afternoon

RealFeel®94°

RealFeel Shade™94°

Max UV Index3 (Moderate)

WindS 4 mph

Tue 7/29

84° /70°
65%
Cloudy with a couple of showers and a thunderstorm in the afternoon

RealFeel®92°

RealFeel Shade™90°

Max UV Index3 (Moderate)

WindSSW 4 mph

Wed 7/30

86° /70°
25%
Mostly sunny and humid

RealFeel®99°

RealFeel Shade™94°

Max UV Index10 (Very High)

WindWSW 4 mph

Thu 7/31

89° /71°
20%
Sunny and humid

RealFeel®101°

RealFeel Shade™96°

Max UV Index10 (Very High)

WindSW 5 mph

Fri 8/1

92° /71°
10%
Mostly sunny and uncomfortably humid

RealFeel®106°

RealFeel Shade™99°

Max UV Index10 (Very High)

WindSSW 5 mph

Sat 8/2

93° /70°
10%
Mostly sunny and humid

RealFeel®103°

RealFeel Shade™98°

Max UV Index10 (Very High)

WindSSW 7 mph

Sun 8/3

93° /71°
20%
Sunny and humid

RealFeel®104°

RealFeel Shade™98°

Max UV Index10 (Very High)

WindSSW 6 mph

Mon 8/4

92° /71°
5%
Sunny and humid

RealFeel®103°

RealFeel Shade™97°

Max UV Index10 (Very High)

WindSSW 5 mph

Tue 8/5

93° /70°
20%
Partly sunny and humid

RealFeel®102°

RealFeel Shade™97°

Max UV Index9 (Very High)

WindSSW 6 mph

Wed 8/6

91° /71°
25%
Mostly sunny and humid

RealFeel®100°

RealFeel Shade™94°

Max UV Index10 (Very High)

WindSW 6 mph

Thu 8/7

90° /70°
25%
Sun followed by clouds and humid

RealFeel®100°

RealFeel Shade™94°

Max UV Index10 (Very High)

WindSSW 6 mph

Fri 8/8

87° /70°
70%
Considerable cloudiness and humid with showers and thunderstorms, mainly later

RealFeel®90°

RealFeel Shade™90°

Max UV Index2 (Low)

WindENE 8 mph

Sat 8/9

85° /67°
25%
Mostly cloudy and less humid

RealFeel®85°

RealFeel Shade™84°

Max UV Index5 (Moderate)

WindWNW 12 mph

Sun 8/10

85° /65°
20%
Sunny to partly cloudy

RealFeel®93°

RealFeel Shade™84°

Max UV Index9 (Very High)

WindW 4 mph

Mon 8/11

86° /65°
20%
Partly sunny

RealFeel®93°

RealFeel Shade™86°

Max UV Index9 (Very High)

WindS 5 mph

Tue 8/12

85° /70°
56%
A couple of showers in the morning; otherwise, cloudy

RealFeel®90°

RealFeel Shade™90°

Max UV Index2 (Low)

WindSSW 6 mph

Wed 8/13

86° /69°
57%
Mostly cloudy and humid; a couple of showers in the afternoon

RealFeel®92°

RealFeel Shade™91°

Max UV Index4 (Moderate)

WindSW 6 mph

Thu 8/14

85° /70°
60%
Mostly sunny and humid; a shower in the afternoon

RealFeel®97°

RealFeel Shade™93°

Max UV Index9 (Very High)

WindS 5 mph

Fri 8/15

92° /61°
65%
A blend of sun and clouds with a couple of thunderstorms, especially late in the day

RealFeel®101°

RealFeel Shade™98°

Max UV Index9 (Very High)

WindNNW 2 mph

Sat 8/16

84° /61°
64%
Mostly cloudy and not as hot with a couple of showers and a thunderstorm, mainly later

RealFeel®85°

RealFeel Shade™83°

Max UV Index7 (High)

WindNE 10 mph

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World North America United States Missouri St. Clair

Weather Near St. Clair:

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