Decatur (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 6° Celsius; -
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 5° Celsius; -
Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: 3° Celsius; -
Maximum daytime temperature: 11° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 11° Celsius; Minimum nighttime temperature: 6° Celsius;
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 3° Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 6° Celsius;
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 6° Celsius;
Sunny changing to partly cloudy by early evening.
Sunrise:
Sunset:
M UV
No pollution data.
No pollen data.
7 day forecast for Decatur
Today (30 October 2025)
| Time |
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
|
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
 |
|
 |
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
9°
|
8°
|
8°
|
7°
|
7°
|
7°
|
6°
|
6°
|
7°
|
9°
|
11°
|
12°
|
13°
|
14°
|
14°
|
14°
|
13°
|
11°
|
10°
|
9°
|
9°
|
8°
|
8°
|
| Feels like temperature (°C) |
6°
|
6°
|
5°
|
4°
|
4°
|
3°
|
3°
|
3°
|
4°
|
6°
|
8°
|
10°
|
10°
|
11°
|
11°
|
11°
|
10°
|
9°
|
8°
|
7°
|
7°
|
6°
|
6°
|
| Wind direction and speed |
N
10
|
N
10
|
N
10
|
N
10
|
NNW
10
|
NNW
10
|
NNW
10
|
NNW
10
|
NNW
10
|
NNW
11
|
NNW
12
|
NNW
12
|
NNW
12
|
NNW
13
|
NW
13
|
NW
13
|
NW
11
|
NW
10
|
WNW
9
|
WNW
8
|
WNW
8
|
WNW
9
|
WNW
9
|
| Wind gust (mph) |
21
|
20
|
20
|
20
|
20
|
21
|
20
|
21
|
23
|
26
|
27
|
27
|
28
|
28
|
28
|
26
|
22
|
17
|
16
|
16
|
16
|
16
|
17
|
| Visibility |
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
67%
|
68%
|
72%
|
74%
|
78%
|
78%
|
81%
|
82%
|
74%
|
66%
|
57%
|
47%
|
42%
|
40%
|
40%
|
40%
|
40%
|
53%
|
57%
|
59%
|
63%
|
65%
|
67%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 4 | 4 | 4 | 3 | 2 | 1 | 1 | - | - | - | - | - | - |
Friday (31 October 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
 |
|
|
|
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
8°
|
8°
|
8°
|
8°
|
8°
|
7°
|
7°
|
6°
|
6°
|
7°
|
9°
|
10°
|
12°
|
12°
|
13°
|
13°
|
12°
|
12°
|
11°
|
10°
|
9°
|
9°
|
8°
|
8°
|
| Feels like temperature (°C) |
6°
|
6°
|
6°
|
5°
|
5°
|
4°
|
4°
|
3°
|
3°
|
4°
|
6°
|
8°
|
9°
|
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
8°
|
7°
|
7°
|
7°
|
6°
|
| Wind direction and speed (mph) |
WNW
9
|
WNW
9
|
WNW
9
|
WNW
9
|
WNW
9
|
WNW
9
|
W
9
|
W
9
|
W
8
|
W
9
|
W
10
|
W
10
|
WNW
12
|
WNW
12
|
WNW
13
|
WNW
13
|
WNW
12
|
WNW
11
|
WNW
8
|
WNW
7
|
WNW
7
|
WNW
7
|
WNW
7
|
WNW
7
|
| Wind gust (mph) |
17
|
17
|
17
|
18
|
17
|
17
|
17
|
17
|
19
|
21
|
22
|
25
|
27
|
29
|
28
|
27
|
25
|
21
|
15
|
13
|
13
|
13
|
13
|
14
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
| Humidity |
71%
|
72%
|
73%
|
74%
|
76%
|
78%
|
81%
|
82%
|
84%
|
75%
|
68%
|
61%
|
53%
|
46%
|
42%
|
43%
|
43%
|
48%
|
56%
|
62%
|
66%
|
69%
|
72%
|
72%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 4 | 4 | 4 | 2 | 1 | 1 | 1 | - | - | - | - | - | - |
Saturday (1 November 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
8°
|
7°
|
7°
|
7°
|
6°
|
6°
|
6°
|
5°
|
5°
|
6°
|
7°
|
8°
|
8°
|
9°
|
9°
|
9°
|
9°
|
8°
|
7°
|
7°
|
6°
|
6°
|
6°
|
5°
|
| Feels like temperature (°C) |
6°
|
5°
|
5°
|
4°
|
4°
|
4°
|
4°
|
3°
|
3°
|
4°
|
4°
|
5°
|
6°
|
7°
|
7°
|
7°
|
6°
|
6°
|
5°
|
5°
|
4°
|
4°
|
4°
|
3°
|
| Wind direction and speed (mph) |
WNW
7
|
W
7
|
WNW
7
|
WNW
7
|
WNW
7
|
WNW
7
|
W
7
|
WNW
6
|
WNW
6
|
WNW
8
|
WNW
8
|
WNW
9
|
WNW
9
|
WNW
9
|
WNW
9
|
WNW
9
|
WNW
8
|
WNW
8
|
WNW
7
|
WNW
6
|
NW
5
|
NW
5
|
WNW
5
|
WNW
5
|
| Wind gust (mph) |
14
|
13
|
13
|
13
|
13
|
13
|
13
|
13
|
16
|
17
|
19
|
20
|
21
|
21
|
20
|
19
|
18
|
15
|
13
|
11
|
10
|
10
|
9
|
9
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
| Humidity |
74%
|
76%
|
79%
|
79%
|
81%
|
81%
|
82%
|
82%
|
82%
|
77%
|
73%
|
66%
|
58%
|
52%
|
46%
|
49%
|
53%
|
58%
|
64%
|
71%
|
76%
|
80%
|
79%
|
81%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 3 | 3 | 2 | 1 | 1 | 1 | - | - | - | - | - | - |
Sunday (2 November 2025)
| Time |
00:00
|
01:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
5°
|
5°
|
5°
|
5°
|
4°
|
4°
|
4°
|
4°
|
4°
|
5°
|
6°
|
8°
|
9°
|
10°
|
10°
|
11°
|
11°
|
10°
|
9°
|
8°
|
8°
|
7°
|
7°
|
7°
|
7°
|
| Feels like temperature (°C) |
3°
|
3°
|
3°
|
3°
|
2°
|
2°
|
2°
|
2°
|
3°
|
4°
|
5°
|
6°
|
7°
|
8°
|
9°
|
9°
|
9°
|
8°
|
7°
|
6°
|
5°
|
5°
|
4°
|
4°
|
4°
|
| Wind direction and speed (mph) |
WNW
5
|
WNW
5
|
WNW
5
|
WNW
5
|
WNW
5
|
WNW
4
|
WNW
4
|
WNW
4
|
WNW
4
|
WNW
4
|
W
4
|
WSW
6
|
WSW
7
|
WSW
8
|
SW
9
|
SW
9
|
SW
9
|
SW
9
|
SSW
8
|
SSW
8
|
SSW
8
|
SSW
9
|
SSW
9
|
SW
9
|
SW
10
|
| Wind gust (mph) |
9
|
9
|
9
|
9
|
9
|
8
|
8
|
8
|
9
|
11
|
14
|
18
|
20
|
20
|
20
|
20
|
19
|
17
|
15
|
16
|
17
|
17
|
18
|
18
|
20
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
84%
|
85%
|
86%
|
86%
|
87%
|
88%
|
87%
|
88%
|
88%
|
81%
|
74%
|
63%
|
54%
|
49%
|
46%
|
44%
|
47%
|
51%
|
58%
|
63%
|
67%
|
69%
|
69%
|
68%
|
68%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 2 | 1 | 1 | - | - | - | - | - | - | - |
Monday (3 November 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
7°
|
7°
|
7°
|
6°
|
6°
|
7°
|
6°
|
6°
|
7°
|
9°
|
11°
|
13°
|
14°
|
15°
|
15°
|
15°
|
14°
|
12°
|
11°
|
9°
|
| Feels like temperature (°C) |
4°
|
4°
|
4°
|
3°
|
3°
|
4°
|
3°
|
3°
|
5°
|
7°
|
9°
|
10°
|
11°
|
11°
|
12°
|
12°
|
12°
|
10°
|
9°
|
6°
|
| Wind direction and speed (mph) |
SW
10
|
SW
10
|
SW
10
|
SW
10
|
SW
10
|
WSW
10
|
WSW
9
|
WSW
9
|
WSW
10
|
WSW
11
|
W
12
|
W
13
|
W
14
|
WNW
14
|
WNW
14
|
WNW
13
|
WNW
11
|
WNW
10
|
WNW
10
|
WNW
10
|
| Wind gust (mph) |
19
|
19
|
19
|
19
|
19
|
18
|
18
|
20
|
23
|
25
|
26
|
28
|
29
|
29
|
28
|
27
|
22
|
20
|
20
|
18
|
| Visibility (description) |
VG
|
VG
|
VG
|
G
|
G
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
71%
|
71%
|
73%
|
74%
|
75%
|
75%
|
76%
|
75%
|
69%
|
61%
|
52%
|
47%
|
42%
|
39%
|
37%
|
36%
|
38%
|
47%
|
49%
|
59%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 3 | 3 | 2 | 1 | 1 | - | - | - |
Tuesday (4 November 2025)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
| Temperature (°C) |
7°
|
5°
|
3°
|
8°
|
14°
|
15°
|
11°
|
9°
|
| Feels like temperature (°C) |
5°
|
3°
|
1°
|
6°
|
12°
|
13°
|
10°
|
8°
|
| Wind direction and speed (mph) |
WNW
8
|
WNW
7
|
WNW
6
|
W
6
|
WSW
9
|
WSW
10
|
SW
7
|
SW
7
|
| Wind gust (mph) |
15
|
12
|
13
|
20
|
22
|
21
|
13
|
14
|
| Visibility (description) |
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
66%
|
76%
|
85%
|
62%
|
40%
|
34%
|
59%
|
69%
|
| UV | - | - | 1 | 2 | 3 | 1 | - | - |
Wednesday (5 November 2025)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
8°
|
7°
|
7°
|
10°
|
14°
|
15°
|
11°
|
10°
|
| Feels like temperature (°C) |
6°
|
5°
|
5°
|
8°
|
12°
|
13°
|
10°
|
8°
|
| Wind direction and speed (mph) |
SW
7
|
SSW
7
|
SSW
6
|
SSW
8
|
WSW
9
|
WSW
8
|
WSW
6
|
WSW
7
|
| Wind gust (mph) |
15
|
13
|
17
|
20
|
21
|
17
|
13
|
14
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
76%
|
83%
|
83%
|
59%
|
46%
|
44%
|
67%
|
75%
|
| UV | - | - | 1 | 2 | 3 | 1 | - | - |
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Forecast
Forecast for 01:00 (UTC-5), Thu
Updated 00:26 (UTC) on Thu 30 Oct 2025
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Nearest forecasts
- Springfield Capital 42.5 miles
- Bloomington - Central Illinois 45.0 miles
- Peoria Regional 72.1 miles
- Terre Haute - Hulman Field 87.6 miles
- Greater Kankakee 101 miles
- St Louis 109 miles
- St.Louis - Lambert International 109 miles
- Spirit of St. Louis 125 miles
- Quincy 133 miles
- Aurora Municipal 136 miles