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Clayton, MO

94°F
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Clayton

Missouri

94°
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Clayton, MO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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4 PM

95°
RealFeel® 103°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
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rain drop 54%
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Mostly cloudy w/ t-storms
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

RealFeel Shade™100°

Heat Index108°

WindSSE 8 mph

Air QualityFair

Max UV Index2.5 (Low)

Wind Gusts15 mph

Humidity55%

Indoor Humidity55% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Rain0.04 in

Visibility6 mi

Cloud Ceiling8000 ft

5 PM

93°
RealFeel® 100°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 19%
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Intermittent clouds
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

RealFeel Shade™97°

Heat Index101°

WindSSE 8 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts10 mph

Humidity50%

Indoor Humidity50% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling19800 ft

6 PM

91°
RealFeel® 98°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 15%
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Intermittent clouds
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

RealFeel Shade™95°

Heat Index99°

WindSE 8 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts9 mph

Humidity54%

Indoor Humidity54% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling24900 ft

7 PM

88°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 19%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

RealFeel Shade™93°

Heat Index96°

WindSE 7 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts8 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

88°
RealFeel® 94°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 47%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

RealFeel Shade™94°

Heat Index96°

WindS 7 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts9 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover72%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

84°
RealFeel® 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 51%
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Thunderstorms
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

Heat Index94°

WindS 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover82%

Rain0.22 in

Visibility3 mi

Cloud Ceiling2000 ft

10 PM

82°
RealFeel® 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 47%
Chevron down
Mostly cloudy
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

Heat Index88°

WindSSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover82%

Visibility10 mi

Cloud Ceiling2000 ft

11 PM

79°
RealFeel® 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 33%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Saturday

Heat Index83°

WindSSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity84%

Indoor Humidity84% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover63%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Clayton

AccuWeather's hourly forecast for Clayton provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 95° with a RealFeel® of 103°, mostly cloudy w/ t-storms with a 54% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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Weather Near Clayton:

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