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Saint Charles, MO

81°F
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Saint Charles

Missouri

81°
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Saint Charles, MO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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4 PM

82°
RealFeel® 84°
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.
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rain drop 48%
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Cloudy

RealFeel Shade™82°

Heat Index84°

WindSE 7 mph

Air QualityPoor

Max UV Index1.6 (Low)

Wind Gusts8 mph

Humidity56%

Indoor Humidity56% (Humid)

Dew Point65° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling14700 ft

5 PM

82°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
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rain drop 51%
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Thunderstorms

RealFeel Shade™79°

Heat Index84°

WindSE 7 mph

Air QualityPoor

Max UV Index0.8 (Low)

Wind Gusts8 mph

Humidity58%

Indoor Humidity58% (Humid)

Dew Point66° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

6 PM

81°
RealFeel® 82°
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
Intermittent clouds

RealFeel Shade™80°

Heat Index83°

WindESE 8 mph

Air QualityPoor

Max UV Index1.6 (Low)

Wind Gusts9 mph

Humidity56%

Indoor Humidity56% (Humid)

Dew Point64° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling24900 ft

7 PM

80°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 29%
Chevron down
Intermittent clouds

RealFeel Shade™80°

Heat Index82°

WindESE 8 mph

Air QualityPoor

Max UV Index1.0 (Low)

Wind Gusts9 mph

Humidity58%

Indoor Humidity58% (Humid)

Dew Point64° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

79°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
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Partly sunny

RealFeel Shade™78°

Heat Index80°

WindESE 7 mph

Air QualityPoor

Max UV Index0.2 (Low)

Wind Gusts8 mph

Humidity59%

Indoor Humidity59% (Humid)

Dew Point64° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

77°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity64%

Indoor Humidity64% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

75°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity71%

Indoor Humidity71% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

74°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindESE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity74%

Indoor Humidity74% (Humid)

Dew Point65° 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 82° with a RealFeel® of 84°, cloudy with a 48% 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 Saint Charles

Weather Near Saint Charles:

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