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Decatur, IL

70°F
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Decatur

Illinois

70°
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Decatur, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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6 AM

70°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 37%
Chevron down
Mostly cloudy

RealFeel Shade™72°

WindNE 6 mph

Air QualityUnhealthy

Max UV Index0.1 (Low)

Wind Gusts7 mph

Humidity96%

Indoor Humidity95% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover79%

Visibility10 mi

Cloud Ceiling1300 ft

7 AM

71°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds

RealFeel Shade™75°

WindNE 6 mph

Air QualityUnhealthy

Max UV Index0.5 (Low)

Wind Gusts7 mph

Humidity97%

Indoor Humidity95% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling800 ft

8 AM

73°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™77°

WindNNW 7 mph

Air QualityUnhealthy

Max UV Index0.5 (Low)

Wind Gusts12 mph

Humidity90%

Indoor Humidity90% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling1900 ft

9 AM

75°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™79°

WindNNW 7 mph

Air QualityUnhealthy

Max UV Index0.8 (Low)

Wind Gusts14 mph

Humidity84%

Indoor Humidity84% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling1900 ft

10 AM

77°
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 39%
Chevron down
Cloudy

RealFeel Shade™80°

WindNNW 8 mph

Air QualityUnhealthy

Max UV Index1.1 (Low)

Wind Gusts17 mph

Humidity80%

Indoor Humidity80% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1900 ft

11 AM

79°
RealFeel® 85°
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 49%
Chevron down
Cloudy

RealFeel Shade™82°

Heat Index80°

WindNNW 8 mph

Air QualityUnhealthy

Max UV Index1.9 (Low)

Wind Gusts16 mph

Humidity75%

Indoor Humidity75% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling1900 ft

12 PM

79°
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 61%
Chevron down
Thunderstorms

RealFeel Shade™80°

Heat Index83°

WindNNW 8 mph

Air QualityUnhealthy

Max UV Index2.1 (Low)

Wind Gusts16 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Rain0.08 in

Visibility5 mi

Cloud Ceiling1900 ft

1 PM

81°
RealFeel® 85°
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 57%
Chevron down
Thunderstorms

RealFeel Shade™81°

Heat Index85°

WindNNW 8 mph

Air QualityUnhealthy

Max UV Index3.1 (Moderate)

Wind Gusts15 mph

Humidity71%

Indoor Humidity71% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover91%

Rain0.05 in

Visibility6 mi

Cloud Ceiling4000 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 54%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™83°

Heat Index88°

WindNNW 8 mph

Air QualityUnhealthy

Max UV Index3.8 (Moderate)

Wind Gusts15 mph

Humidity67%

Indoor Humidity67% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover66%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

3 PM

84°
RealFeel® 94°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 49%
Chevron down
Partly sunny

RealFeel Shade™87°

Heat Index89°

WindNNW 8 mph

Air QualityUnhealthy

Max UV Index7.4 (High)

Wind Gusts15 mph

Humidity64%

Indoor Humidity64% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover40%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

82°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 45%
Chevron down
Mostly sunny

RealFeel Shade™84°

Heat Index86°

WindNNW 9 mph

Air QualityUnhealthy

Max UV Index4.9 (Moderate)

Wind Gusts16 mph

Humidity70%

Indoor Humidity70% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover15%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

82°
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 47%
Chevron down
Mostly sunny

RealFeel Shade™84°

Heat Index86°

WindNNW 9 mph

Air QualityUnhealthy

Max UV Index3.4 (Moderate)

Wind Gusts16 mph

Humidity69%

Indoor Humidity69% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover19%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

80°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™81°

Heat Index84°

WindN 9 mph

Air QualityUnhealthy

Max UV Index0.8 (Low)

Wind Gusts16 mph

Humidity74%

Indoor Humidity74% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.05 in

Visibility5 mi

Cloud Ceiling4000 ft

7 PM

80°
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 43%
Chevron down
Mostly sunny

RealFeel Shade™82°

Heat Index83°

WindN 9 mph

Air QualityUnhealthy

Max UV Index1.2 (Low)

Wind Gusts17 mph

Humidity72%

Indoor Humidity72% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover27%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

78°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Partly sunny w/ t-storms

RealFeel Shade™78°

WindN 8 mph

Air QualityUnhealthy

Max UV Index0.3 (Low)

Wind Gusts16 mph

Humidity77%

Indoor Humidity77% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover23%

Rain0.04 in

Visibility7 mi

Cloud Ceiling30000 ft

9 PM

76°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Mostly clear

WindNNE 7 mph

Air QualityUnhealthy

Wind Gusts14 mph

Humidity81%

Indoor Humidity81% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

74°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Mostly clear

WindNNE 6 mph

Air QualityUnhealthy

Wind Gusts13 mph

Humidity87%

Indoor Humidity87% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover14%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

72°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Mostly clear

WindNNE 6 mph

Air QualityUnhealthy

Wind Gusts13 mph

Humidity91%

Indoor Humidity91% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover28%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Decatur

AccuWeather's hourly forecast for Decatur provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 70° with a RealFeel® of 72°, mostly cloudy with a 37% 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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