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St. Charles, MO

51°F
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St. Charles

Missouri

51°
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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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11 AM

56°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 35%
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Cloudy

RealFeel Shade™52°

WindNW 8 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts12 mph

Humidity61%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling8900 ft

12 PM

59°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

RealFeel Shade™55°

WindNW 9 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts12 mph

Humidity50%

Indoor Humidity36% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling8000 ft

1 PM

61°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 45%
Chevron down
Showers

RealFeel Shade™56°

WindNNW 10 mph

Air QualityFair

Max UV Index2.7 (Moderate)

Wind Gusts14 mph

Humidity44%

Indoor Humidity34% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7100 ft

2 PM

62°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 25%
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Intermittent clouds

RealFeel Shade™58°

WindNNW 10 mph

Air QualityFair

Max UV Index4.7 (Moderate)

Wind Gusts15 mph

Humidity41%

Indoor Humidity33% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling9600 ft

3 PM

63°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds

RealFeel Shade™59°

WindNNW 12 mph

Air QualityFair

Max UV Index3.8 (Moderate)

Wind Gusts16 mph

Humidity38%

Indoor Humidity32% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling12100 ft

4 PM

62°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds

RealFeel Shade™58°

WindNNW 12 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts17 mph

Humidity39%

Indoor Humidity31% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling14700 ft

5 PM

62°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds

RealFeel Shade™59°

WindNNW 10 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts16 mph

Humidity39%

Indoor Humidity31% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling17500 ft

6 PM

61°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds

RealFeel Shade™57°

WindNNW 9 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts14 mph

Humidity41%

Indoor Humidity32% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling20300 ft

7 PM

59°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 13%
Chevron down
Intermittent clouds

RealFeel Shade™57°

WindNNW 8 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts13 mph

Humidity44%

Indoor Humidity32% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling23100 ft

8 PM

58°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindNNW 8 mph

Air QualityFair

Wind Gusts10 mph

Humidity46%

Indoor Humidity32% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

55°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindNNW 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity52%

Indoor Humidity32% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

52°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindNNW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity58%

Indoor Humidity33% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

49°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindNNW 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity65%

Indoor Humidity33% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 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 56° with a RealFeel® of 56°, cloudy with a 35% 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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