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St. Charles, IL

82°F
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St. Charles

Illinois

82°
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St. Charles, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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5 PM

80°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 5%
Chevron down
Intermittent clouds
alerts

Flood Warning

1:00 PM Tuesday - 5:30 AM Saturday
alerts

Flood Warning

3:29 AM Thursday - 5:30 AM Saturday
alerts

Tornado Watch

3:30 PM Friday - 11:00 PM Friday
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

RealFeel Shade™76°

WindS 20 mph

Air QualityFair

Max UV Index2.3 (Low)

Wind Gusts28 mph

Humidity58%

Indoor Humidity58% (Humid)

Dew Point64° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover61%

Visibility10 mi

Cloud Ceiling27900 ft

6 PM

77°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 5%
Chevron down
Intermittent clouds
alerts

Flood Warning

1:00 PM Tuesday - 5:30 AM Saturday
alerts

Flood Warning

3:29 AM Thursday - 5:30 AM Saturday
alerts

Tornado Watch

3:30 PM Friday - 11:00 PM Friday
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

RealFeel Shade™73°

WindS 20 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts23 mph

Humidity60%

Indoor Humidity60% (Humid)

Dew Point63° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling26000 ft

7 PM

74°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 8%
Chevron down
Intermittent clouds
alerts

Flood Warning

1:00 PM Tuesday - 5:30 AM Saturday
alerts

Flood Warning

3:29 AM Thursday - 5:30 AM Saturday
alerts

Tornado Watch

3:30 PM Friday - 11:00 PM Friday
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

RealFeel Shade™71°

WindS 20 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts22 mph

Humidity63%

Indoor Humidity63% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling24000 ft

8 PM

70°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy
alerts

Flood Warning

1:00 PM Tuesday - 5:30 AM Saturday
alerts

Flood Warning

3:29 AM Thursday - 5:30 AM Saturday
alerts

Tornado Watch

3:30 PM Friday - 11:00 PM Friday
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

WindS 18 mph

Air QualityFair

Wind Gusts22 mph

Humidity73%

Indoor Humidity73% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling17300 ft

9 PM

68°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 75%
Chevron down
Thunderstorms
alerts

Flood Warning

1:00 PM Tuesday - 5:30 AM Saturday
alerts

Flood Warning

3:29 AM Thursday - 5:30 AM Saturday
alerts

Tornado Watch

3:30 PM Friday - 11:00 PM Friday
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

WindS 17 mph

Air QualityFair

Wind Gusts21 mph

Humidity79%

Indoor Humidity78% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.42 in

Visibility2 mi

Cloud Ceiling2000 ft

10 PM

65°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 75%
Chevron down
Thunderstorms
alerts

Flood Warning

1:00 PM Tuesday - 5:30 AM Saturday
alerts

Flood Warning

3:29 AM Thursday - 5:30 AM Saturday
alerts

Tornado Watch

3:30 PM Friday - 11:00 PM Friday
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

WindSSW 16 mph

Air QualityFair

Wind Gusts21 mph

Humidity84%

Indoor Humidity77% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.42 in

Visibility2 mi

Cloud Ceiling2000 ft

11 PM

65°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 27%
Chevron down
Cloudy
alerts

Flood Warning

1:00 PM Tuesday - 5:30 AM Saturday
alerts

Flood Warning

3:29 AM Thursday - 5:30 AM Saturday
alerts

Flood Watch

3:00 PM Friday - 5:00 AM Saturday

WindSW 15 mph

Air QualityFair

Wind Gusts17 mph

Humidity85%

Indoor Humidity77% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling2900 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 80° with a RealFeel® of 78°, intermittent clouds with a 5% 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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Weather Near St. Charles:

  • Chicago, IL
  • Joliet, IL
  • Naperville, IL
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