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Severe thunderstorms to rumble across the central, eastern US this week. Click for the forecast. Chevron right

St. Charles, MO

62°F
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St. Charles

Missouri

62°
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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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2 AM

64°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 70%
Chevron down
Rain

WindSW 10 mph

Air QualityFair

Wind Gusts14 mph

Humidity91%

Indoor Humidity78% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.05 in

Visibility10 mi

Cloud Ceiling9600 ft

3 AM

64°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 66%
Chevron down
Rain

WindSW 10 mph

Air QualityFair

Wind Gusts14 mph

Humidity88%

Indoor Humidity76% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Rain0.03 in

Visibility6 mi

Cloud Ceiling4000 ft

4 AM

64°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 66%
Chevron down
Rain

WindSW 10 mph

Air QualityFair

Wind Gusts13 mph

Humidity88%

Indoor Humidity75% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Rain0.03 in

Visibility6 mi

Cloud Ceiling4000 ft

5 AM

64°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindSW 9 mph

Air QualityFair

Wind Gusts12 mph

Humidity86%

Indoor Humidity74% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling14700 ft

6 AM

64°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 56%
Chevron down
Rain

WindSW 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity84%

Indoor Humidity73% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Rain0.03 in

Visibility6 mi

Cloud Ceiling4000 ft

7 AM

64°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™62°

WindSW 8 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts10 mph

Humidity82%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling14700 ft

8 AM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly cloudy

RealFeel Shade™64°

WindWSW 9 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts10 mph

Humidity76%

Indoor Humidity71% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling7000 ft

9 AM

69°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly cloudy

RealFeel Shade™66°

WindWSW 10 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts12 mph

Humidity68%

Indoor Humidity68% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

72°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly cloudy

RealFeel Shade™69°

WindWSW 10 mph

Air QualityFair

Max UV Index3.0 (Moderate)

Wind Gusts14 mph

Humidity60%

Indoor Humidity60% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

75°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly cloudy

RealFeel Shade™72°

WindWSW 10 mph

Air QualityFair

Max UV Index4.1 (Moderate)

Wind Gusts14 mph

Humidity52%

Indoor Humidity52% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

78°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly cloudy

RealFeel Shade™75°

WindWSW 10 mph

Air QualityFair

Max UV Index5.6 (High)

Wind Gusts14 mph

Humidity44%

Indoor Humidity44% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

81°
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.
LEARN MORE
rain drop 16%
Chevron down
Mostly cloudy

RealFeel Shade™78°

WindW 9 mph

Air QualityFair

Max UV Index6.2 (High)

Wind Gusts14 mph

Humidity37%

Indoor Humidity37% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

83°
RealFeel® 88°
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 7%
Chevron down
Mostly sunny

RealFeel Shade™80°

WindW 9 mph

Air QualityFair

Max UV Index7.1 (High)

Wind Gusts15 mph

Humidity33%

Indoor Humidity33% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

84°
RealFeel® 87°
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 7%
Chevron down
Mostly sunny

RealFeel Shade™81°

WindW 9 mph

Air QualityFair

Max UV Index5.2 (Moderate)

Wind Gusts15 mph

Humidity30%

Indoor Humidity30% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

85°
RealFeel® 86°
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 7%
Chevron down
Mostly sunny

RealFeel Shade™82°

WindWNW 9 mph

Air QualityFair

Max UV Index3.9 (Moderate)

Wind Gusts13 mph

Humidity29%

Indoor Humidity29% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

84°
RealFeel® 83°
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 7%
Chevron down
Mostly sunny

RealFeel Shade™80°

WindW 9 mph

Air QualityPoor

Max UV Index2.5 (Low)

Wind Gusts12 mph

Humidity31%

Indoor Humidity31% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

81°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Mostly sunny

RealFeel Shade™78°

WindS 10 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts13 mph

Humidity35%

Indoor Humidity35% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

79°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 5%
Chevron down
Mostly sunny

RealFeel Shade™76°

WindSSE 10 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts13 mph

Humidity40%

Indoor Humidity40% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

76°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Mostly clear

WindSE 9 mph

Air QualityFair

Wind Gusts12 mph

Humidity46%

Indoor Humidity46% (Ideal Humidity)

Dew Point54° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

73°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Mostly clear

WindSSE 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity51%

Indoor Humidity51% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

71°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Mostly clear

WindSSE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity57%

Indoor Humidity57% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

69°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Mostly clear

WindSSE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity62%

Indoor Humidity62% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

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 64° with a RealFeel® of 58°, rain with a 70% 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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