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Decatur (United States of America) weather
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Nearest forecast to your detected location
Forecast days
-
27° Maximum daytime temperature: 27° Celsius; 17° Minimum nighttime temperature: 17° Celsius;
Sunrise:
Sunset:
Sunny intervals changing to partly cloudy by nighttime.VH UVNo pollution data.No pollen data.27° Maximum daytime temperature: 27 degrees Celsius; 17° Minimum nighttime temperature: 17 degrees Celsius; -
28° Maximum daytime temperature: 28° Celsius; 15° Minimum nighttime temperature: 15° Celsius;
Sunrise:
Sunset:
Sunny.VH UVNo pollution data.No pollen data.28° Maximum daytime temperature: 28 degrees Celsius; 15° Minimum nighttime temperature: 15 degrees Celsius; -
27° Maximum daytime temperature: 27° Celsius; 12° Minimum nighttime temperature: 12° Celsius;
Sunrise:
Sunset:
Sunny.VH UVNo pollution data.No pollen data.27° Maximum daytime temperature: 27 degrees Celsius; 12° Minimum nighttime temperature: 12 degrees Celsius; -
27° Maximum daytime temperature: 27° Celsius; 14° Minimum nighttime temperature: 14° Celsius;
Sunrise:
Sunset:
Sunny.VH UVNo pollution data.No pollen data.27° Maximum daytime temperature: 27 degrees Celsius; 14° Minimum nighttime temperature: 14 degrees Celsius; -
28° Maximum daytime temperature: 28° Celsius; 19° Minimum nighttime temperature: 19° Celsius;
Sunrise:
Sunset:
Sunny.VH UVNo pollution data.No pollen data.28° Maximum daytime temperature: 28 degrees Celsius; 19° Minimum nighttime temperature: 19 degrees Celsius; -
30° Maximum daytime temperature: 30° Celsius; 20° Minimum nighttime temperature: 20° Celsius;
Sunrise:
Sunset:
Sunny.VH UVNo pollution data.No pollen data.30° Maximum daytime temperature: 30 degrees Celsius; 20° Minimum nighttime temperature: 20 degrees Celsius; -
28° Maximum daytime temperature: 28° Celsius; 20° Minimum nighttime temperature: 20° Celsius;
Sunrise:
Sunset:
Sunny intervals changing to light showers by lunchtime.H UVNo pollution data.No pollen data.28° Maximum daytime temperature: 28 degrees Celsius; 20° Minimum nighttime temperature: 20 degrees Celsius;
Sunny intervals changing to partly cloudy by nighttime.
VH UV
No pollution data.
No pollen data.
Sunny.
VH UV
No pollution data.
No pollen data.
Sunny.
VH UV
No pollution data.
No pollen data.
Sunny.
VH UV
No pollution data.
No pollen data.
Sunny.
VH UV
No pollution data.
No pollen data.
Sunny.
VH UV
No pollution data.
No pollen data.
Sunny intervals changing to light showers by lunchtime.
H UV
No pollution data.
No pollen data.
7 day forecast for Decatur
Today (31 May 2026)
| 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%
|
10%
|
10%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
18°
|
17°
|
16°
|
16°
|
15°
|
15°
|
15°
|
17°
|
19°
|
21°
|
23°
|
24°
|
26°
|
27°
|
27°
|
27°
|
27°
|
26°
|
25°
|
23°
|
21°
|
20°
|
20°
|
| Feels like temperature (°C) |
16°
|
15°
|
14°
|
14°
|
14°
|
13°
|
14°
|
15°
|
17°
|
19°
|
22°
|
23°
|
25°
|
26°
|
27°
|
27°
|
27°
|
26°
|
25°
|
23°
|
21°
|
21°
|
20°
|
| Wind direction and speed (mph) |
E
10
|
E
10
|
E
10
|
E
10
|
E
8
|
E
8
|
E
8
|
ESE
8
|
ESE
8
|
ESE
8
|
ESE
7
|
SE
6
|
SE
5
|
SE
5
|
SE
4
|
ESE
5
|
ESE
5
|
ESE
6
|
ESE
5
|
SE
5
|
SE
5
|
SE
5
|
SE
4
|
| Wind gust (mph) |
19
|
19
|
17
|
16
|
15
|
15
|
17
|
17
|
16
|
15
|
15
|
14
|
14
|
12
|
12
|
12
|
11
|
11
|
10
|
8
|
8
|
8
|
7
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
54%
|
55%
|
58%
|
62%
|
64%
|
65%
|
64%
|
58%
|
54%
|
49%
|
42%
|
41%
|
41%
|
41%
|
42%
|
41%
|
42%
|
44%
|
52%
|
63%
|
69%
|
74%
|
77%
|
| UV | - | - | - | - | - | 1 | 1 | 2 | 4 | 6 | 8 | 8 | 9 | 6 | 4 | 4 | 2 | 1 | - | - | - | - | - |
Monday (1 June 2026)
| 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%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
19°
|
19°
|
18°
|
18°
|
17°
|
17°
|
17°
|
18°
|
19°
|
21°
|
23°
|
25°
|
26°
|
27°
|
27°
|
28°
|
28°
|
28°
|
27°
|
26°
|
24°
|
22°
|
21°
|
20°
|
| Feels like temperature (°C) |
19°
|
19°
|
18°
|
18°
|
17°
|
17°
|
17°
|
18°
|
19°
|
21°
|
23°
|
25°
|
26°
|
27°
|
27°
|
28°
|
28°
|
28°
|
27°
|
26°
|
24°
|
22°
|
20°
|
18°
|
| Wind direction and speed (mph) |
ESE
5
|
E
4
|
ENE
5
|
ENE
5
|
ENE
5
|
ENE
5
|
E
5
|
E
5
|
E
5
|
E
5
|
ESE
5
|
ESE
5
|
ESE
5
|
E
5
|
ENE
5
|
ENE
5
|
ENE
5
|
ENE
6
|
NE
6
|
ENE
7
|
ENE
7
|
NE
7
|
NE
8
|
ENE
8
|
| Wind gust (mph) |
7
|
7
|
8
|
8
|
8
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
14
|
14
|
15
|
14
|
14
|
14
|
12
|
12
|
12
|
14
|
14
|
14
|
| Visibility (description) |
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
80%
|
83%
|
84%
|
84%
|
84%
|
84%
|
83%
|
77%
|
71%
|
61%
|
54%
|
48%
|
44%
|
45%
|
43%
|
41%
|
42%
|
42%
|
42%
|
48%
|
57%
|
58%
|
56%
|
57%
|
| UV | - | - | - | - | - | - | 1 | 1 | 2 | 4 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 1 | - | - | - | - | - |
Tuesday (2 June 2026)
| 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) |
19°
|
18°
|
17°
|
16°
|
16°
|
15°
|
15°
|
17°
|
19°
|
21°
|
23°
|
24°
|
26°
|
27°
|
27°
|
27°
|
27°
|
27°
|
26°
|
25°
|
22°
|
20°
|
19°
|
18°
|
| Feels like temperature (°C) |
17°
|
17°
|
16°
|
15°
|
15°
|
14°
|
14°
|
15°
|
17°
|
19°
|
21°
|
22°
|
23°
|
24°
|
24°
|
24°
|
24°
|
24°
|
23°
|
22°
|
20°
|
18°
|
17°
|
16°
|
| Wind direction and speed (mph) |
ENE
8
|
ENE
7
|
NE
7
|
NE
7
|
NE
7
|
ENE
6
|
ENE
7
|
ENE
7
|
ENE
8
|
E
9
|
E
9
|
E
10
|
E
10
|
E
10
|
E
10
|
ENE
10
|
ENE
10
|
ENE
10
|
E
10
|
E
9
|
E
8
|
ESE
7
|
E
7
|
E
7
|
| Wind gust (mph) |
14
|
13
|
12
|
12
|
12
|
11
|
12
|
16
|
17
|
18
|
21
|
23
|
23
|
23
|
23
|
22
|
21
|
20
|
18
|
16
|
13
|
12
|
12
|
12
|
| 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 |
61%
|
60%
|
60%
|
68%
|
67%
|
69%
|
69%
|
66%
|
60%
|
51%
|
40%
|
39%
|
32%
|
26%
|
23%
|
22%
|
21%
|
21%
|
22%
|
34%
|
41%
|
46%
|
52%
|
56%
|
| UV | - | - | - | - | - | - | 1 | 1 | 3 | 4 | 7 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 | - | - | - | - | - |
Wednesday (3 June 2026)
| 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) |
17°
|
16°
|
15°
|
14°
|
13°
|
13°
|
13°
|
15°
|
17°
|
20°
|
22°
|
24°
|
25°
|
26°
|
26°
|
27°
|
27°
|
26°
|
26°
|
25°
|
22°
|
20°
|
19°
|
18°
|
| Feels like temperature (°C) |
16°
|
15°
|
14°
|
13°
|
13°
|
12°
|
12°
|
14°
|
16°
|
18°
|
21°
|
22°
|
23°
|
24°
|
24°
|
25°
|
25°
|
25°
|
24°
|
23°
|
21°
|
19°
|
18°
|
17°
|
| Wind direction and speed (mph) |
E
7
|
E
7
|
E
6
|
E
6
|
E
6
|
E
6
|
E
5
|
E
5
|
E
6
|
ESE
7
|
ESE
7
|
ESE
7
|
ESE
7
|
ESE
7
|
SE
7
|
SE
7
|
SE
7
|
SE
7
|
SE
8
|
SSE
8
|
SSE
6
|
SSE
6
|
SSE
6
|
SSE
5
|
| Wind gust (mph) |
12
|
12
|
10
|
10
|
9
|
9
|
10
|
12
|
13
|
14
|
17
|
18
|
18
|
18
|
18
|
18
|
17
|
16
|
15
|
13
|
10
|
9
|
9
|
9
|
| 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 |
57%
|
59%
|
64%
|
67%
|
71%
|
73%
|
73%
|
65%
|
56%
|
44%
|
40%
|
36%
|
29%
|
26%
|
23%
|
23%
|
23%
|
31%
|
36%
|
40%
|
51%
|
59%
|
65%
|
69%
|
| UV | - | - | - | - | - | - | 1 | 1 | 3 | 4 | 7 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 | - | - | - | - | - |
Thursday (4 June 2026)
| 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
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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%
|
| Temperature (°C) |
17°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
17°
|
20°
|
22°
|
24°
|
26°
|
26°
|
27°
|
28°
|
28°
|
28°
|
28°
|
27°
|
26°
|
21°
|
| Feels like temperature (°C) |
16°
|
16°
|
15°
|
15°
|
14°
|
14°
|
14°
|
16°
|
19°
|
21°
|
23°
|
24°
|
25°
|
26°
|
26°
|
26°
|
26°
|
26°
|
25°
|
25°
|
21°
|
| Wind direction and speed (mph) |
SSE
6
|
SSE
6
|
SE
6
|
SE
6
|
SSE
6
|
SSE
6
|
SSE
6
|
SSE
5
|
SSE
6
|
S
7
|
S
9
|
SSW
10
|
SSW
10
|
SSW
10
|
SSW
10
|
SSW
10
|
SSW
10
|
SSW
10
|
SSW
10
|
SSW
9
|
S
7
|
| Wind gust (mph) |
8
|
9
|
9
|
9
|
9
|
9
|
10
|
11
|
14
|
17
|
20
|
21
|
22
|
22
|
22
|
22
|
21
|
20
|
19
|
16
|
13
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
74%
|
74%
|
76%
|
77%
|
79%
|
81%
|
79%
|
73%
|
63%
|
54%
|
43%
|
41%
|
40%
|
39%
|
38%
|
39%
|
39%
|
40%
|
41%
|
42%
|
67%
|
| UV | - | - | - | - | - | - | 1 | 1 | 2 | 4 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 | - | - |
Friday (5 June 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | ||||||||
| Chance of precipitation |
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
20°
|
19°
|
20°
|
25°
|
29°
|
30°
|
27°
|
23°
|
| Feels like temperature (°C) |
19°
|
18°
|
19°
|
24°
|
28°
|
29°
|
26°
|
23°
|
| Wind direction and speed (mph) |
S
8
|
SSW
8
|
SSW
8
|
SSW
10
|
SW
11
|
SSW
11
|
SSW
10
|
S
8
|
| Wind gust (mph) |
14
|
14
|
20
|
23
|
24
|
22
|
17
|
16
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
72%
|
76%
|
73%
|
54%
|
44%
|
43%
|
47%
|
69%
|
| UV | - | - | 1 | 6 | 8 | 4 | - | - |
Saturday (6 June 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | ||||||||
| Chance of precipitation |
20%
|
30%
|
30%
|
40%
|
50%
|
50%
|
40%
|
40%
|
| Temperature (°C) |
22°
|
20°
|
21°
|
25°
|
28°
|
27°
|
25°
|
23°
|
| Feels like temperature (°C) |
21°
|
20°
|
20°
|
24°
|
27°
|
26°
|
25°
|
24°
|
| Wind direction and speed (mph) |
S
9
|
SSW
8
|
S
8
|
SSW
10
|
SSW
11
|
SSW
10
|
SSW
8
|
SSW
8
|
| Wind gust (mph) |
16
|
16
|
20
|
23
|
24
|
24
|
17
|
17
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
G
|
| Humidity |
74%
|
79%
|
79%
|
61%
|
48%
|
48%
|
58%
|
78%
|
| UV | - | - | 1 | 6 | 7 | 3 | - | - |
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Forecast for 2am (UTC-5) Sunday
Updated 01:22 (UTC+1) on Sun 31 May 2026
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Nearest forecasts
- Springfield Capital 42.5 miles
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- St.Louis - Lambert International 109 miles
- Spirit of St. Louis 125 miles
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- Aurora Municipal 136 miles
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