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St. Charles, MO

71°F
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St. Charles

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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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1 AM

68°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 11%
Chevron down
Cloudy
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

WindS 12 mph

Air QualityFair

Wind Gusts16 mph

Humidity72%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling18700 ft

2 AM

67°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 74%
Chevron down
Thunderstorms
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

WindS 10 mph

Air QualityFair

Wind Gusts15 mph

Humidity84%

Indoor Humidity82% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.10 in

Visibility5 mi

Cloud Ceiling4000 ft

3 AM

66°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 74%
Chevron down
Thunderstorms
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

WindS 10 mph

Air QualityFair

Wind Gusts14 mph

Humidity86%

Indoor Humidity81% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.10 in

Visibility5 mi

Cloud Ceiling2000 ft

4 AM

65°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

WindSSW 10 mph

Air QualityFair

Wind Gusts12 mph

Humidity87%

Indoor Humidity80% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling3700 ft

5 AM

65°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 65%
Chevron down
Thunderstorms
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

WindSSW 10 mph

Air QualityFair

Wind Gusts10 mph

Humidity85%

Indoor Humidity75% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.10 in

Visibility5 mi

Cloud Ceiling2000 ft

6 AM

64°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 65%
Chevron down
Thunderstorms
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

WindSW 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity87%

Indoor Humidity75% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.10 in

Visibility5 mi

Cloud Ceiling2500 ft

7 AM

63°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

RealFeel Shade™61°

WindWSW 9 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts10 mph

Humidity88%

Indoor Humidity75% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2000 ft

8 AM

64°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Cloudy
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

RealFeel Shade™63°

WindSW 9 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts9 mph

Humidity86%

Indoor Humidity75% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling2000 ft

9 AM

66°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 51%
Chevron down
Showers
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

RealFeel Shade™61°

WindSW 8 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts9 mph

Humidity82%

Indoor Humidity76% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Rain0.02 in

Visibility6 mi

Cloud Ceiling2000 ft

10 AM

67°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Cloudy
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

RealFeel Shade™66°

WindSW 7 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts12 mph

Humidity78%

Indoor Humidity76% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2000 ft

11 AM

70°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

RealFeel Shade™67°

WindWSW 8 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts12 mph

Humidity71%

Indoor Humidity71% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2300 ft

12 PM

72°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

RealFeel Shade™69°

WindW 8 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts12 mph

Humidity65%

Indoor Humidity65% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2600 ft

1 PM

73°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

RealFeel Shade™70°

WindW 9 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts12 mph

Humidity60%

Indoor Humidity60% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling2900 ft

2 PM

75°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

RealFeel Shade™72°

WindWNW 8 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts14 mph

Humidity57%

Indoor Humidity57% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling4300 ft

3 PM

74°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

RealFeel Shade™71°

WindWNW 8 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts15 mph

Humidity60%

Indoor Humidity60% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling5700 ft

4 PM

73°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 37%
Chevron down
Cloudy
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

RealFeel Shade™70°

WindNW 8 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts17 mph

Humidity62%

Indoor Humidity62% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7100 ft

5 PM

74°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Cloudy
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

RealFeel Shade™71°

WindNW 9 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts14 mph

Humidity61%

Indoor Humidity61% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling14700 ft

6 PM

72°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Thunderstorms
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

RealFeel Shade™67°

WindNW 9 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts10 mph

Humidity69%

Indoor Humidity69% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Rain0.07 in

Visibility5 mi

Cloud Ceiling4000 ft

7 PM

71°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Cloudy
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

RealFeel Shade™69°

WindNNW 9 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts10 mph

Humidity68%

Indoor Humidity68% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

69°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

WindNNW 9 mph

Air QualityFair

Wind Gusts9 mph

Humidity70%

Indoor Humidity70% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

67°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

WindN 8 mph

Air QualityExcellent

Wind Gusts9 mph

Humidity71%

Indoor Humidity68% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover32%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

64°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

WindN 8 mph

Air QualityExcellent

Wind Gusts9 mph

Humidity75%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

63°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Flood Warning

7:00 PM Sunday - 7:00 PM Thursday

WindN 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity75%

Indoor Humidity64% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

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 68° with a RealFeel® of 65°, cloudy with a 11% 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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