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St. Charles, MO

80°F
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St. Charles

Missouri

80°
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St. Charles, MO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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5 PM

77°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
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Cloudy
alerts

Flood Watch

7:00 AM Sunday - 1:00 AM Monday

RealFeel Shade™80°

WindS 13 mph

Air QualityPoor

Max UV Index1.0 (Low)

Wind Gusts16 mph

Humidity87%

Indoor Humidity87% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling5900 ft

6 PM

76°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy
alerts

Flood Watch

7:00 AM Sunday - 1:00 AM Monday

RealFeel Shade™79°

WindW 10 mph

Air QualityPoor

Max UV Index0.6 (Low)

Wind Gusts15 mph

Humidity84%

Indoor Humidity84% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling4800 ft

7 PM

76°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Cloudy
alerts

Flood Watch

7:00 AM Sunday - 1:00 AM Monday

RealFeel Shade™79°

WindNW 9 mph

Air QualityPoor

Max UV Index0.3 (Low)

Wind Gusts12 mph

Humidity85%

Indoor Humidity85% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling3700 ft

8 PM

75°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Thunderstorms
alerts

Flood Watch

7:00 AM Sunday - 1:00 AM Monday

RealFeel Shade™70°

WindSW 14 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts15 mph

Humidity85%

Indoor Humidity85% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Rain0.30 in

Visibility2 mi

Cloud Ceiling2000 ft

9 PM

74°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Cloudy
alerts

Flood Watch

7:00 AM Sunday - 1:00 AM Monday

WindWSW 13 mph

Air QualityFair

Wind Gusts14 mph

Humidity86%

Indoor Humidity86% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling1900 ft

10 PM

73°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 39%
Chevron down
Cloudy
alerts

Flood Watch

7:00 AM Sunday - 1:00 AM Monday

WindW 12 mph

Air QualityFair

Wind Gusts13 mph

Humidity88%

Indoor Humidity88% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling1100 ft

11 PM

72°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 32%
Chevron down
Cloudy
alerts

Flood Watch

7:00 AM Sunday - 1:00 AM Monday

WindWNW 12 mph

Air QualityFair

Wind Gusts13 mph

Humidity88%

Indoor Humidity88% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling800 ft

Hourly Weather Forecast for St. Charles

AccuWeather's hourly forecast for St. Charles provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 77° with a RealFeel® of 81°, cloudy with a 40% 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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World North America United States Missouri St. Charles

Weather Near St. Charles:

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