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St. Charles, MO

83°F
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St. Charles

Missouri

83°
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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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6 PM

80°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 3%
Chevron down
Mostly sunny

RealFeel Shade™77°

Heat Index80°

WindWSW 10 mph

Air QualityPoor

Max UV Index1.9 (Low)

Wind Gusts20 mph

Humidity35%

Indoor Humidity35% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover29%

Visibility10 mi

Cloud Ceiling33300 ft

7 PM

78°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Partly sunny

RealFeel Shade™76°

WindWSW 10 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts16 mph

Humidity38%

Indoor Humidity38% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling29900 ft

8 PM

76°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 12%
Chevron down
Mostly cloudy

RealFeel Shade™73°

WindWSW 9 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts16 mph

Humidity41%

Indoor Humidity41% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover80%

Visibility10 mi

Cloud Ceiling24900 ft

9 PM

73°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 12%
Chevron down
Mostly cloudy

WindWSW 8 mph

Air QualityFair

Wind Gusts14 mph

Humidity46%

Indoor Humidity46% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling19800 ft

10 PM

70°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 16%
Chevron down
Cloudy

WindWSW 8 mph

Air QualityFair

Wind Gusts10 mph

Humidity53%

Indoor Humidity53% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling14700 ft

11 PM

67°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 51%
Chevron down
Thunderstorms

WindWSW 8 mph

Air QualityFair

Wind Gusts12 mph

Humidity62%

Indoor Humidity60% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover82%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 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 80° with a RealFeel® of 79°, mostly sunny with a 3% 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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