Decatur (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 2° Celsius; Minimum nighttime temperature: -3° Celsius;
Maximum daytime temperature: 2° Celsius; Minimum nighttime temperature: -3° Celsius; -
Maximum daytime temperature: 1° Celsius; Minimum nighttime temperature: -3° Celsius;
Maximum daytime temperature: 1° Celsius; Minimum nighttime temperature: -3° Celsius; -
Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -3° Celsius;
Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -3° Celsius; -
Maximum daytime temperature: -2° Celsius; Minimum nighttime temperature: -16° Celsius;
Maximum daytime temperature: -2° Celsius; Minimum nighttime temperature: -16° Celsius; -
Maximum daytime temperature: -6° Celsius; Minimum nighttime temperature: -13° Celsius;
Maximum daytime temperature: -6° Celsius; Minimum nighttime temperature: -13° Celsius;
-
Maximum daytime temperature: -1° Celsius; Minimum nighttime temperature: -4° Celsius;
Maximum daytime temperature: -1° Celsius; Minimum nighttime temperature: -4° Celsius;
-
Maximum daytime temperature: 1° Celsius; Minimum nighttime temperature: -2° Celsius;
Maximum daytime temperature: 1° Celsius; Minimum nighttime temperature: -2° Celsius;
Sunny changing to overcast by early evening.
Sunrise:
Sunset:
M UV
No pollution data.
No pollen data.
7 day forecast for Decatur
Today (27 November 2025)
| Time |
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%
|
| Temperature |
0°
|
1°
|
2°
|
2°
|
2°
|
2°
|
1°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
| Feels like temperature (°C) |
-5°
|
-4°
|
-3°
|
-3°
|
-2°
|
-3°
|
-3°
|
-4°
|
-4°
|
-4°
|
-5°
|
-5°
|
-5°
|
| Wind direction and speed |
NW
13
|
WNW
13
|
WNW
13
|
WNW
13
|
WNW
12
|
WNW
10
|
W
8
|
W
9
|
W
9
|
WNW
9
|
WNW
10
|
WNW
10
|
NW
11
|
| Wind gust (mph) |
28
|
28
|
28
|
26
|
24
|
19
|
16
|
17
|
18
|
19
|
21
|
22
|
22
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
55%
|
54%
|
53%
|
50%
|
48%
|
54%
|
62%
|
64%
|
65%
|
65%
|
65%
|
65%
|
65%
|
| UV | 3 | 2 | 2 | 1 | 1 | 1 | - | - | - | - | - | - | - |
Friday (28 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 |
<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) |
-1°
|
-1°
|
-2°
|
-2°
|
-2°
|
-3°
|
-3°
|
-3°
|
-2°
|
-2°
|
-1°
|
0°
|
0°
|
0°
|
1°
|
1°
|
0°
|
-1°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
| Feels like temperature (°C) |
-6°
|
-6°
|
-7°
|
-7°
|
-7°
|
-8°
|
-7°
|
-7°
|
-7°
|
-6°
|
-5°
|
-4°
|
-3°
|
-3°
|
-2°
|
-2°
|
-2°
|
-3°
|
-4°
|
-4°
|
-4°
|
-4°
|
-5°
|
-5°
|
| Wind direction and speed (mph) |
NW
11
|
NW
10
|
NW
10
|
NW
9
|
NW
9
|
NW
8
|
NW
8
|
NW
7
|
NW
8
|
NW
8
|
NW
7
|
WNW
7
|
WNW
6
|
WNW
6
|
WNW
6
|
WNW
6
|
WNW
4
|
WNW
3
|
S
3
|
SE
3
|
SE
3
|
SE
4
|
SE
4
|
SE
5
|
| Wind gust (mph) |
22
|
20
|
19
|
18
|
17
|
16
|
15
|
15
|
17
|
17
|
17
|
17
|
17
|
16
|
15
|
12
|
7
|
5
|
5
|
6
|
7
|
8
|
10
|
11
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
65%
|
65%
|
65%
|
65%
|
65%
|
66%
|
66%
|
67%
|
63%
|
56%
|
53%
|
51%
|
50%
|
48%
|
49%
|
51%
|
57%
|
82%
|
84%
|
77%
|
76%
|
76%
|
76%
|
75%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 3 | 2 | 2 | 1 | 1 | 1 | - | - | - | - | - | - | - |
Saturday (29 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 |
<5%
|
<5%
|
10%
|
30%
|
50%
|
70%
|
70%
|
70%
|
70%
|
70%
|
80%
|
90%
|
80%
|
90%
|
90%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
≥95%
|
90%
|
80%
|
70%
|
| Temperature (°C) |
-1°
|
-1°
|
-1°
|
-1°
|
-1°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-1°
|
-1°
|
-1°
|
-1°
|
0°
|
0°
|
0°
|
0°
|
1°
|
1°
|
| Feels like temperature (°C) |
-5°
|
-5°
|
-5°
|
-5°
|
-6°
|
-7°
|
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
-7°
|
-7°
|
-7°
|
-7°
|
-6°
|
-6°
|
-5°
|
-5°
|
-4°
|
-3°
|
| Wind direction and speed (mph) |
SE
6
|
SE
6
|
SE
7
|
SE
7
|
SE
9
|
SE
10
|
SE
11
|
SE
12
|
SE
13
|
SE
14
|
SE
15
|
SE
15
|
SE
15
|
SE
15
|
SE
15
|
SE
15
|
SE
16
|
SE
16
|
SE
16
|
SE
15
|
SE
14
|
SE
12
|
SSE
10
|
SSE
9
|
| Wind gust (mph) |
12
|
13
|
15
|
17
|
20
|
22
|
24
|
24
|
27
|
29
|
30
|
30
|
30
|
31
|
31
|
32
|
32
|
32
|
31
|
29
|
26
|
24
|
21
|
19
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
P
|
VP
|
VP
|
VP
|
P
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
VP
|
P
|
M
|
| Humidity |
74%
|
73%
|
72%
|
72%
|
77%
|
95%
|
102%
|
102%
|
102%
|
99%
|
101%
|
101%
|
101%
|
101%
|
101%
|
101%
|
101%
|
101%
|
101%
|
100%
|
100%
|
100%
|
98%
|
97%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - |
Sunday (30 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 |
50%
|
30%
|
10%
|
30%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
1°
|
1°
|
1°
|
0°
|
0°
|
-1°
|
-2°
|
-2°
|
-3°
|
-3°
|
-3°
|
-3°
|
-2°
|
-2°
|
-3°
|
-3°
|
-3°
|
-4°
|
-4°
|
-5°
|
-6°
|
-7°
|
-8°
|
-8°
|
| Feels like temperature (°C) |
-3°
|
-4°
|
-5°
|
-5°
|
-6°
|
-7°
|
-8°
|
-9°
|
-9°
|
-9°
|
-9°
|
-9°
|
-9°
|
-9°
|
-9°
|
-9°
|
-9°
|
-10°
|
-10°
|
-10°
|
-11°
|
-12°
|
-13°
|
-13°
|
| Wind direction and speed (mph) |
SW
8
|
W
10
|
WNW
13
|
WNW
14
|
WNW
15
|
WNW
15
|
WNW
15
|
WNW
15
|
WNW
15
|
WNW
15
|
WNW
15
|
WNW
15
|
WNW
15
|
NW
14
|
NW
13
|
NW
12
|
NW
11
|
NW
10
|
NW
10
|
NW
9
|
NW
8
|
NW
7
|
NW
7
|
NW
7
|
| Wind gust (mph) |
20
|
25
|
28
|
30
|
30
|
30
|
30
|
29
|
29
|
29
|
29
|
29
|
28
|
28
|
26
|
24
|
22
|
21
|
19
|
17
|
15
|
13
|
13
|
12
|
| Visibility (description) |
M
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
98%
|
97%
|
96%
|
95%
|
94%
|
93%
|
92%
|
91%
|
91%
|
88%
|
88%
|
88%
|
87%
|
87%
|
87%
|
86%
|
87%
|
87%
|
88%
|
91%
|
91%
|
92%
|
93%
|
93%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 2 | 1 | 1 | 1 | - | - | - | - | - | - | - |
Monday (1 December 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
-9°
|
-10°
|
-10°
|
-11°
|
-12°
|
-12°
|
-14°
|
-14°
|
-13°
|
-12°
|
-11°
|
-9°
|
-8°
|
-7°
|
-6°
|
-6°
|
-8°
|
-11°
|
-11°
|
-10°
|
| Feels like temperature (°C) |
-14°
|
-15°
|
-15°
|
-16°
|
-17°
|
-17°
|
-19°
|
-19°
|
-17°
|
-15°
|
-13°
|
-12°
|
-10°
|
-9°
|
-9°
|
-9°
|
-11°
|
-15°
|
-15°
|
-14°
|
| Wind direction and speed (mph) |
NW
6
|
NW
6
|
NW
6
|
NW
6
|
NW
5
|
NW
5
|
NNW
5
|
NNW
4
|
NW
4
|
NNW
3
|
NNW
3
|
NW
3
|
WNW
3
|
NNW
3
|
N
3
|
NE
3
|
NE
3
|
NE
4
|
ENE
4
|
E
4
|
| Wind gust (mph) |
11
|
11
|
11
|
10
|
9
|
9
|
8
|
8
|
7
|
7
|
8
|
8
|
8
|
8
|
7
|
6
|
6
|
7
|
7
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
94%
|
94%
|
94%
|
95%
|
96%
|
97%
|
97%
|
97%
|
96%
|
93%
|
92%
|
91%
|
88%
|
86%
|
86%
|
87%
|
90%
|
94%
|
98%
|
100%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 3 | 3 | 2 | 1 | 1 | 1 | - | - | - |
Tuesday (2 December 2025)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
-9°
|
-8°
|
-9°
|
-6°
|
-2°
|
-1°
|
-3°
|
-3°
|
| Feels like temperature (°C) |
-13°
|
-12°
|
-13°
|
-10°
|
-6°
|
-4°
|
-7°
|
-8°
|
| Wind direction and speed (mph) |
E
4
|
SE
4
|
SSE
5
|
S
4
|
SSW
6
|
SSW
5
|
S
6
|
S
7
|
| Wind gust (mph) |
8
|
8
|
9
|
13
|
13
|
12
|
13
|
15
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
98%
|
99%
|
98%
|
90%
|
84%
|
84%
|
92%
|
88%
|
| UV | - | - | 1 | 2 | 3 | 1 | - | - |
Wednesday (3 December 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%
|
<5%
|
<5%
|
| Temperature (°C) |
-3°
|
-2°
|
-2°
|
0°
|
1°
|
1°
|
1°
|
0°
|
| Feels like temperature (°C) |
-7°
|
-7°
|
-7°
|
-5°
|
-3°
|
-2°
|
-3°
|
-4°
|
| Wind direction and speed (mph) |
SSW
8
|
SSW
8
|
SSW
9
|
SSW
8
|
SSW
8
|
SSW
7
|
SW
8
|
WSW
9
|
| Wind gust (mph) |
17
|
17
|
17
|
18
|
17
|
16
|
16
|
16
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
| Humidity |
87%
|
85%
|
85%
|
85%
|
83%
|
85%
|
88%
|
86%
|
| UV | - | - | - | 2 | 3 | 1 | - | - |
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Forecast
Forecast for 11am (UTC-6) Thursday
Updated 12:24 (UTC) on Thu 27 Nov 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