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Northeast weather to feel more like Thanksgiving than Memorial Day. See the temp forecast. Chevron right

St. Charles, MO

66°F
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St. Charles

Missouri

66°
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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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Chevron right

9 AM

66°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Mostly cloudy

RealFeel Shade™64°

WindW 6 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts7 mph

Humidity87%

Indoor Humidity80% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover85%

Visibility10 mi

Cloud Ceiling1400 ft

10 AM

68°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

RealFeel Shade™66°

WindW 6 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts7 mph

Humidity79%

Indoor Humidity77% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling1900 ft

11 AM

70°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

RealFeel Shade™68°

WindWNW 6 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts7 mph

Humidity74%

Indoor Humidity74% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling2300 ft

12 PM

72°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

RealFeel Shade™70°

WindWNW 6 mph

Air QualityFair

Max UV Index2.5 (Moderate)

Wind Gusts7 mph

Humidity70%

Indoor Humidity70% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling2700 ft

1 PM

73°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

RealFeel Shade™71°

WindWNW 6 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts7 mph

Humidity67%

Indoor Humidity67% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling3100 ft

2 PM

75°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

RealFeel Shade™73°

WindWNW 6 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts7 mph

Humidity64%

Indoor Humidity64% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling4400 ft

3 PM

76°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

RealFeel Shade™74°

WindWNW 6 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts7 mph

Humidity62%

Indoor Humidity62% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling5700 ft

4 PM

77°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

RealFeel Shade™76°

WindW 6 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts7 mph

Humidity59%

Indoor Humidity59% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7100 ft

5 PM

75°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

RealFeel Shade™76°

WindWSW 6 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts7 mph

Humidity68%

Indoor Humidity68% (Humid)

Dew Point64° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling4000 ft

6 PM

75°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

RealFeel Shade™75°

WindSW 6 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts8 mph

Humidity69%

Indoor Humidity69% (Humid)

Dew Point64° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling22400 ft

7 PM

74°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 10%
Chevron down
Cloudy

RealFeel Shade™74°

WindS 6 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts8 mph

Humidity70%

Indoor Humidity70% (Humid)

Dew Point64° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

72°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 54%
Chevron down
Thunderstorms

RealFeel Shade™69°

WindSSE 6 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts6 mph

Humidity76%

Indoor Humidity76% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover93%

Rain0.05 in

Visibility5 mi

Cloud Ceiling24900 ft

9 PM

71°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindSSE 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity80%

Indoor Humidity80% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling19800 ft

10 PM

69°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 46%
Chevron down
Cloudy

WindSSE 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity87%

Indoor Humidity87% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling14700 ft

11 PM

67°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindSSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity91%

Indoor Humidity88% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling12100 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 66° with a RealFeel® of 66°, mostly cloudy with a 7% 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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