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Decatur, IL

37°F
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Decatur

Illinois

37°
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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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3 AM

38°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Frost Advisory

1:00 AM Sunday - 8:00 AM Sunday

WindSW 8 mph

Air QualityExcellent

Wind Gusts13 mph

Humidity75%

Indoor Humidity39% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling33300 ft

4 AM

38°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Frost Advisory

1:00 AM Sunday - 8:00 AM Sunday

WindSW 8 mph

Air QualityExcellent

Wind Gusts13 mph

Humidity72%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

37°
RealFeel® 31°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Frost Advisory

1:00 AM Sunday - 8:00 AM Sunday

WindSW 9 mph

Air QualityExcellent

Wind Gusts12 mph

Humidity74%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

37°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Frost Advisory

1:00 AM Sunday - 8:00 AM Sunday

WindWSW 9 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity76%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

37°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Frost Advisory

1:00 AM Sunday - 8:00 AM Sunday

RealFeel Shade™30°

WindWSW 10 mph

Air QualityExcellent

Max UV Index0.6 (Low)

Wind Gusts10 mph

Humidity78%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

40°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 7%
Chevron down
Sunny

RealFeel Shade™32°

WindW 10 mph

Air QualityExcellent

Max UV Index1.6 (Low)

Wind Gusts13 mph

Humidity68%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

46°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 7%
Chevron down
Sunny

RealFeel Shade™38°

WindW 13 mph

Air QualityFair

Max UV Index2.5 (Moderate)

Wind Gusts16 mph

Humidity53%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

51°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 7%
Chevron down
Mostly sunny

RealFeel Shade™43°

WindWNW 14 mph

Air QualityFair

Max UV Index3.9 (Moderate)

Wind Gusts20 mph

Humidity42%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

54°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 7%
Chevron down
Sunny

RealFeel Shade™46°

WindWNW 15 mph

Air QualityFair

Max UV Index5.3 (Moderate)

Wind Gusts24 mph

Humidity36%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

56°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 7%
Chevron down
Mostly sunny

RealFeel Shade™49°

WindWNW 17 mph

Air QualityFair

Max UV Index7.2 (High)

Wind Gusts30 mph

Humidity32%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

59°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 5%
Chevron down
Mostly sunny

RealFeel Shade™52°

WindWNW 18 mph

Air QualityFair

Max UV Index7.9 (Very High)

Wind Gusts35 mph

Humidity29%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

60°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™53°

WindWNW 18 mph

Air QualityFair

Max UV Index7.2 (High)

Wind Gusts36 mph

Humidity29%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

61°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™54°

WindWNW 18 mph

Air QualityFair

Max UV Index5.3 (Moderate)

Wind Gusts36 mph

Humidity30%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

59°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™52°

WindWNW 17 mph

Air QualityFair

Max UV Index3.9 (Moderate)

Wind Gusts37 mph

Humidity33%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

58°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™51°

WindNW 16 mph

Air QualityFair

Max UV Index2.5 (Moderate)

Wind Gusts33 mph

Humidity35%

Indoor Humidity39% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

56°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™49°

WindNW 15 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts29 mph

Humidity38%

Indoor Humidity39% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

54°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™48°

WindNNW 13 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts23 mph

Humidity42%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

51°
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindNNW 10 mph

Air QualityFair

Wind Gusts20 mph

Humidity47%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover55%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

48°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindN 8 mph

Air QualityFair

Wind Gusts15 mph

Humidity52%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover61%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

45°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindN 7 mph

Air QualityFair

Wind Gusts10 mph

Humidity58%

Indoor Humidity40% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

44°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindN 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity59%

Indoor Humidity39% (Slightly Dry)

Dew Point31° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover59%

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 38° with a RealFeel® of 32°, clear with a 0% 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 Decatur:

  • Champaign, IL
  • Peoria, IL
  • Springfield, IL
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