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St. Charles, MO

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St. Charles, MO Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center
Today Hourly

Daily

 Radar MinuteCast® Monthly Air Quality Health & Activities

August 2 - September 15

Sat 8/2

83° /58°
1%
Partly cloudy and cool

RealFeel®58°

Cloud Cover33%

WindNE 5 mph

Wind Gusts16 mph

Sun 8/3

80° /63°
1%
Hazy sun

RealFeel®86°

RealFeel Shade™78°

Max UV Index10 (Very High)

WindNE 7 mph

Mon 8/4

83° /67°
25%
Partly sunny and nice

RealFeel®92°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindENE 6 mph

Tue 8/5

86° /66°
40%
Mostly sunny with a thunderstorm in spots

RealFeel®98°

RealFeel Shade™86°

Max UV Index10 (Very High)

WindESE 5 mph

Wed 8/6

90° /69°
7%
Partly sunny

RealFeel®102°

RealFeel Shade™92°

Max UV Index9 (Very High)

WindSE 4 mph

Thu 8/7

91° /70°
3%
Mostly sunny

RealFeel®102°

RealFeel Shade™93°

Max UV Index9 (Very High)

WindS 5 mph

Fri 8/8

90° /72°
5%
Humid with sun and some clouds

RealFeel®99°

RealFeel Shade™92°

Max UV Index8 (Very High)

WindS 7 mph

Sat 8/9

89° /72°
4%
Mostly sunny

RealFeel®94°

RealFeel Shade™89°

Max UV Index9 (Very High)

WindS 8 mph

Sun 8/10

91° /69°
40%
Clouds and sun with a strong thunderstorm in spots in the afternoon

RealFeel®96°

RealFeel Shade™93°

Max UV Index9 (Very High)

WindSW 6 mph

Mon 8/11

87° /67°
65%
Cloudy and humid; a couple of morning thunderstorms followed by periods of rain in the afternoon

RealFeel®99°

RealFeel Shade™96°

Max UV Index5 (Moderate)

WindSSE 2 mph

Tue 8/12

89° /68°
4%
Mostly sunny and humid

RealFeel®102°

RealFeel Shade™96°

Max UV Index9 (Very High)

WindWSW 4 mph

Wed 8/13

89° /68°
1%
Humid with clouds and sunshine

RealFeel®97°

RealFeel Shade™89°

Max UV Index9 (Very High)

WindNNW 6 mph

Thu 8/14

87° /69°
2%
Less humid with clouds and sun

RealFeel®94°

RealFeel Shade™86°

Max UV Index8 (Very High)

WindNNW 5 mph

Fri 8/15

86° /66°
25%
Sunshine and a few clouds

RealFeel®94°

RealFeel Shade™85°

Max UV Index9 (Very High)

WindE 5 mph

Sat 8/16

85° /70°
25%
Mostly cloudy and humid

RealFeel®99°

RealFeel Shade™93°

Max UV Index9 (Very High)

WindSSE 2 mph

Sun 8/17

84° /70°
25%
Humid with intervals of clouds and sunshine

RealFeel®94°

RealFeel Shade™92°

Max UV Index3 (Moderate)

WindSSE 2 mph

Mon 8/18

89° /69°
25%
Humid with intervals of clouds and sunshine

RealFeel®97°

RealFeel Shade™92°

Max UV Index4 (Moderate)

WindSW 4 mph

Tue 8/19

90° /70°
10%
Mostly sunny and humid

RealFeel®101°

RealFeel Shade™94°

Max UV Index8 (Very High)

WindW 4 mph

Wed 8/20

89° /69°
10%
Sunny

RealFeel®99°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindN 5 mph

Thu 8/21

87° /65°
20%
Plenty of sunshine

RealFeel®95°

RealFeel Shade™85°

Max UV Index8 (Very High)

WindNE 5 mph

Fri 8/22

86° /65°
20%
Plenty of sunshine

RealFeel®94°

RealFeel Shade™85°

Max UV Index8 (Very High)

WindE 2 mph

Sat 8/23

87° /68°
20%
Sunshine and a few clouds

RealFeel®95°

RealFeel Shade™88°

Max UV Index8 (Very High)

WindSE 2 mph

Sun 8/24

89° /68°
25%
Mostly cloudy

RealFeel®90°

RealFeel Shade™88°

Max UV Index5 (Moderate)

WindSSE 5 mph

Mon 8/25

89° /69°
20%
Mostly sunny

RealFeel®93°

RealFeel Shade™87°

Max UV Index8 (Very High)

WindSSW 7 mph

Tue 8/26

88° /68°
25%
Humid with periods of clouds and sunshine

RealFeel®93°

RealFeel Shade™90°

Max UV Index5 (Moderate)

WindSW 5 mph

Wed 8/27

87° /67°
55%
A passing morning shower; otherwise, humid with intervals of clouds and sunshine

RealFeel®93°

RealFeel Shade™90°

Max UV Index5 (Moderate)

WindNNW 2 mph

Thu 8/28

84° /68°
20%
Humid with sunshine and a few clouds

RealFeel®93°

RealFeel Shade™85°

Max UV Index8 (Very High)

WindNE 4 mph

Fri 8/29

84° /68°
40%
Considerable cloudiness and humid; a thunderstorm in spots in the afternoon

RealFeel®88°

RealFeel Shade™88°

Max UV Index2 (Low)

WindENE 5 mph

Sat 8/30

86° /67°
10%
Mostly sunny and humid

RealFeel®96°

RealFeel Shade™89°

Max UV Index7 (High)

WindENE 4 mph

Sun 8/31

88° /68°
10%
Mostly sunny and humid

RealFeel®98°

RealFeel Shade™91°

Max UV Index7 (High)

WindSW 1 mph

Mon 9/1

88° /68°
5%
Sunny, very warm and humid

RealFeel®99°

RealFeel Shade™92°

Max UV Index7 (High)

WindSE 4 mph

Tue 9/2

87° /67°
65%
A couple of showers and a thunderstorm in the morning; otherwise, humid with times of clouds and sun

RealFeel®98°

RealFeel Shade™92°

Max UV Index4 (Moderate)

WindNE 5 mph

Wed 9/3

87° /67°
61%
Partly sunny and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®99°

RealFeel Shade™92°

Max UV Index7 (High)

WindSSW 4 mph

Thu 9/4

85° /66°
25%
Increasing cloudiness and humid

RealFeel®93°

RealFeel Shade™93°

Max UV Index5 (Moderate)

WindWNW 2 mph

Fri 9/5

86° /66°
59%
A passing morning shower; otherwise, humid with partial sunshine

RealFeel®95°

RealFeel Shade™89°

Max UV Index7 (High)

WindENE 5 mph

Sat 9/6

86° /65°
20%
Mostly sunny and humid

RealFeel®96°

RealFeel Shade™88°

Max UV Index7 (High)

WindSSE 2 mph

Sun 9/7

85° /66°
65%
Humid with more clouds than sun; a couple of showers and a thunderstorm in the afternoon

RealFeel®91°

RealFeel Shade™91°

Max UV Index3 (Moderate)

WindS 5 mph

Mon 9/8

85° /65°
25%
Humid with intervals of clouds and sunshine

RealFeel®85°

RealFeel Shade™84°

Max UV Index3 (Moderate)

WindNNW 9 mph

Tue 9/9

82° /64°
25%
Turning cloudy and humid

RealFeel®83°

RealFeel Shade™83°

Max UV Index5 (Moderate)

WindNNW 4 mph

Wed 9/10

83° /64°
20%
Sunny to partly cloudy and humid

RealFeel®92°

RealFeel Shade™84°

Max UV Index6 (High)

WindW 1 mph

Thu 9/11

84° /64°
10%
Mostly sunny and humid

RealFeel®90°

RealFeel Shade™85°

Max UV Index6 (High)

WindNE 4 mph

Fri 9/12

85° /60°
0%
Plenty of sunshine

RealFeel®89°

RealFeel Shade™85°

Max UV Index6 (High)

WindSE 4 mph

Sat 9/13

85° /61°
0%
Plenty of sunshine

RealFeel®88°

RealFeel Shade™85°

Max UV Index6 (High)

WindSSE 6 mph

Sun 9/14

83° /61°
1%
Sunshine

RealFeel®86°

RealFeel Shade™83°

Max UV Index6 (High)

WindSSE 6 mph

Mon 9/15

75° /52°
0%
Partly sunny and not as warm with lower humidity

RealFeel®75°

RealFeel Shade™72°

Max UV Index6 (High)

WindN 12 mph

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World North America United States Missouri St. Charles

Weather Near St. Charles:

  • O'Fallon, MO
  • Springfield, IL
  • St. Louis, MO
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