Weather Decatur weekend

Weather forecast for Decatur for this and next weekend.
Today
1/10/26
43 / 23 °F
Tomorrow
1/11/26
34 / 27 °F
Monday
1/12/26
37 / 34 °F
Sunday from morning untill noon cloudy, in the afternoon clear.
Saturday, Jan 10
image/svg+xml
43 / 23°F
0.00 in image/svg+xml 11 mph
37 °F 34 °F 9 am
41 °F 34 °F 12 pm
43 °F 36 °F 3 pm
34 °F 28 °F 9 pm
sunrise 7:16 am
sunset 4:50 pm
HOURLY
From morning untill noon cloudy, in the afternoon partly cloudy, in the evening initially partly cloudy, later cloudy. The highest temperature 43 °F. Total rainfall 0.06 in. At night partly cloudy. The lowest temperature 23 °F. Total rainfall 0.00 in.

Interactive map weather Illinois, USA


GPS: 39.8403; -88.9548
altitude: 675 ft
local time:
Meteogram is being loaded

Weather forecast Decatur, Illinois, USA extended forecast

Time State   Temp.   Feels like Precip. Wind PressureHumidity Dew total
 
 Fog Low
 
 Middle
 
 High
 

Saturday 01/10/2026
12 AM
1 AM 
cloudy 39 °F
36 °F		 0.0 in
  10 fps 7 mph
east-southeast		 30.1 in87 % 36  °F100 % 0% 4% 0% 100%
1 AM
2 AM 
overcast 39 °F
36 °F		 0.0 in
  9 fps 6 mph
east-southeast		 30.1 in89 % 36  °F100 % 0% 2% 53% 100%
2 AM
3 AM 
cloudy 39 °F
36 °F		 0.0 in
  7 fps 5 mph
east		 30.1 in90 % 36  °F98 % 0% 0% 3% 98%
3 AM
4 AM 
cloudy 37 °F
34 °F		 0.0 in
  5 fps 3 mph
east		 30.1 in92 % 34  °F87 % 0% 0% 10% 86%
4 AM
5 AM 
partly cloudy 36 °F
32 °F		 0.0 in
  3 fps 2 mph
east		 30.1 in93 % 34  °F14 % 0% 3% 0% 10%
5 AM
6 AM 
clear 36 °F
32 °F		 0.0 in
  1 fps 0 mph
northeast		 30.0 in94 % 34  °F2 % 0% 0% 1% 0%
6 AM
7 AM 
overcast 36 °F
32 °F		 0.0 in
  1 fps 1 mph
southeast		 30.0 in96 % 34  °F88 % 0% 1% 88% 0%
7 AM
8 AM 
overcast 34 °F
30 °F		 0.0 in
  5 fps 3 mph
west		 30.0 in96 % 32  °F96 % 0% 79% 85% 0%
8 AM
9 AM 
rain 37 °F
32 °F		 0.03 in
  15 fps 11 mph
west-northwest		 30.0 in93 % 36  °F100 % 0% 100% 100% 0%
9 AM
10 AM 
rain 37 °F
34 °F		 0.02 in
  14 fps 10 mph
west-northwest		 30.0 in96 % 36  °F100 % 0% 100% 100% 0%
10 AM
11 AM 
overcast 37 °F
32 °F		 0.0 in
  19 fps 13 mph
west-northwest		 30.1 in94 % 36  °F100 % 0% 100% 100% 0%
11 AM
12 PM 
overcast 37 °F
32 °F		 0.0 in
  22 fps 15 mph
west-northwest		 30.1 in88 % 34  °F100 % 0% 100% 1% 0%
12 PM
1 PM 
clear 41 °F
36 °F		 0.0 in
  22 fps 15 mph
west-northwest		 30.1 in65 % 30  °F1 % 0% 1% 0% 0%
1 PM
2 PM 
cloudy 43 °F
36 °F		 0.0 in
  26 fps 18 mph
west-northwest		 30.0 in49 % 27  °F43 % 0% 43% 0% 0%
2 PM
3 PM 
clear 43 °F
36 °F		 0.0 in
  23 fps 16 mph
west-northwest		 30.0 in46 % 25  °F1 % 0% 1% 0% 0%
3 PM
4 PM 
clear 43 °F
36 °F		 0.0 in
  22 fps 15 mph
west-northwest		 30.0 in43 % 23  °F6 % 0% 6% 0% 0%
4 PM
5 PM 
clear 41 °F
34 °F		 0.0 in
  17 fps 11 mph
west-northwest		 30.1 in44 % 23  °F0 % 0% 0% 0% 0%
5 PM
6 PM 
cloudy 39 °F
34 °F		 0.0 in
  12 fps 9 mph
west		 30.1 in52 % 23  °F72 % 0% 0% 72% 0%
6 PM
7 PM 
overcast 37 °F
30 °F		 0.0 in
  15 fps 10 mph
west		 30.1 in54 % 23  °F100 % 0% 14% 100% 0%
7 PM
8 PM 
light sleet 37 °F
30 °F		 0.00 in
  20 fps 14 mph
west-northwest		 30.1 in52 % 23  °F100 % 0% 93% 100% 0%
8 PM
9 PM 
overcast 36 °F
28 °F		 0.0 in
  19 fps 13 mph
northwest		 30.1 in63 % 25  °F100 % 0% 100% 100% 0%
9 PM
10 PM 
overcast 34 °F
27 °F		 0.0 in
  19 fps 13 mph
west-northwest		 30.1 in63 % 25  °F88 % 0% 45% 83% 0%
10 PM
11 PM 
clear 32 °F
25 °F		 0.0 in
  20 fps 14 mph
west-northwest		 30.2 in61 % 21  °F0 % 0% 0% 0% 0%
11 PM
12 AM 
clear 30 °F
23 °F		 0.0 in
  19 fps 13 mph
west-northwest		 30.2 in64 % 19  °F0 % 0% 0% 0% 0%

Sunday 01/11/2026
12 AM
1 AM 
clear 28 °F
21 °F		 0.0 in
  19 fps 13 mph
west-northwest		 30.2 in64 % 19  °F6 % 0% 6% 0% 0%
1 AM
2 AM 
overcast 27 °F
19 °F		 0.0 in
  21 fps 14 mph
west-northwest		 30.2 in61 % 16  °F97 % 0% 97% 0% 0%
2 AM
3 AM 
overcast 28 °F
19 °F		 0.0 in
  26 fps 18 mph
west-northwest		 30.2 in57 % 16  °F98 % 0% 98% 16% 0%
3 AM
4 AM 
overcast 25 °F
16 °F		 0.0 in
  30 fps 21 mph
northwest		 30.2 in50 % 10  °F100 % 0% 100% 0% 0%
4 AM
5 AM 
overcast 25 °F
16 °F		 0.0 in
  28 fps 19 mph
northwest		 30.3 in53 % 10  °F99 % 0% 99% 1% 0%
5 AM
6 AM 
cloudy 25 °F
16 °F		 0.0 in
  30 fps 20 mph
northwest		 30.3 in45 % 7  °F47 % 0% 47% 0% 0%
6 AM
7 AM 
clear 23 °F
14 °F		 0.0 in
  24 fps 16 mph
northwest		 30.4 in54 % 10  °F3 % 0% 3% 0% 0%
7 AM
8 AM 
clear 23 °F
16 °F		 0.0 in
  22 fps 15 mph
northwest		 30.4 in59 % 12  °F3 % 0% 3% 0% 0%
8 AM
9 AM 
overcast 23 °F
16 °F		 0.0 in
  21 fps 14 mph
northwest		 30.4 in59 % 12  °F100 % 0% 100% 0% 0%
9 AM
10 AM 
overcast 25 °F
18 °F		 0.0 in
  22 fps 15 mph
northwest		 30.4 in54 % 12  °F96 % 0% 96% 0% 0%
10 AM
11 AM 
clear 28 °F
21 °F		 0.0 in
  21 fps 14 mph
west-northwest		 30.4 in54 % 14  °F2 % 0% 2% 0% 0%
11 AM
12 PM 
clear 30 °F
23 °F		 0.0 in
  21 fps 14 mph
west-northwest		 30.5 in53 % 16  °F0 % 0% 0% 0% 0%
12 PM
1 PM 
clear 32 °F
25 °F		 0.0 in
  19 fps 13 mph
west-northwest		 30.4 in53 % 18  °F4 % 0% 4% 0% 0%
1 PM
2 PM 
clear 34 °F
27 °F		 0.0 in
  18 fps 13 mph
northwest		 30.4 in51 % 19  °F2 % 0% 2% 0% 0%
2 PM
3 PM 
clear 34 °F
27 °F		 0.0 in
  16 fps 11 mph
west-northwest		 30.4 in51 % 19  °F1 % 0% 1% 0% 0%
3 PM
4 PM 
clear 34 °F
27 °F		 0.0 in
  16 fps 11 mph
west-northwest		 30.4 in52 % 19  °F0 % 0% 0% 0% 0%
4 PM
5 PM 
clear 34 °F
27 °F		 0.0 in
  14 fps 10 mph
west		 30.4 in54 % 19  °F0 % 0% 0% 0% 0%
5 PM
6 PM 
clear 30 °F
25 °F		 0.0 in
  9 fps 6 mph
west		 30.4 in64 % 19  °F0 % 0% 0% 0% 0%
6 PM
7 PM 
clear 28 °F
23 °F		 0.0 in
  11 fps 8 mph
west-southwest		 30.5 in68 % 19  °F7 % 0% 0% 0% 7%
7 PM
8 PM 
clear 28 °F
21 °F		 0.0 in
  12 fps 9 mph
west-southwest		 30.5 in68 % 19  °F3 % 0% 0% 0% 3%
8 PM
9 PM 
clear 27 °F
19 °F		 0.0 in
  11 fps 8 mph
southwest		 30.4 in70 % 19  °F0 % 0% 0% 0% 0%
9 PM
10 PM 
clear 27 °F
21 °F		 0.0 in
  11 fps 7 mph
southwest		 30.4 in71 % 19  °F0 % 0% 0% 0% 0%
10 PM
11 PM 
clear 27 °F
19 °F		 0.0 in
  12 fps 8 mph
southwest		 30.4 in70 % 19  °F0 % 0% 0% 0% 0%
11 PM
12 AM 
clear 27 °F
19 °F		 0.0 in
  12 fps 9 mph
southwest		 30.4 in69 % 19  °F0 % 0% 0% 0% 0%
 

Decatur, Illinois, USA - information

State: Illinois, USA
GPS coordinates: 39.8403; -88.9548
Time zone: America / Chicago time difference in hours with time in NY is -7 hours

Population: 73 254
Altitude: 675 ft
The administrative part:



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Weather Decatur, Illinois, USA. Weather forecast Decatur.



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Data source

Weather forecast for Decatur is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Astronomical information Decatur

data are always in the local time

Sun and light

 Jan. 10, 2026 
Sunrise: Sunset: 
7:16 am 4:50 pm
Noon: Length of day: 
12:03 pm09:34
Start of civil twilight*: End of civil twilight*: 
6:46 am5:21 pm
Start of nautical twilight*: End of nautical twilight*: 
6:13 am5:53 pm
Start of astronomical twilight*:  End of astronomical twilight*: 
5:40 am6:26 pm
* What is Twilight?

Moon and moon phases

Moonrise: Moonset: 
01/09/2026 11:58 pm 01/10/2026 11:08 am
Next new moon: Next full moon: 
01/18/202602/01/2026

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