Decatur (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 24 degrees Celsius; Minimum nighttime temperature: 11 degrees Celsius; -
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 24 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius; -
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 18° Celsius;
Maximum daytime temperature: 25 degrees Celsius; Minimum nighttime temperature: 18 degrees Celsius;
-
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 21° Celsius;
Maximum daytime temperature: 27 degrees Celsius; Minimum nighttime temperature: 21 degrees Celsius; -
Maximum daytime temperature: 32° Celsius; Minimum nighttime temperature: 22° Celsius;
Maximum daytime temperature: 32 degrees Celsius; Minimum nighttime temperature: 22 degrees Celsius;
-
Maximum daytime temperature: 35° Celsius; Minimum nighttime temperature: 24° Celsius;
Maximum daytime temperature: 35 degrees Celsius; Minimum nighttime temperature: 24 degrees Celsius;
-
Maximum daytime temperature: 34° Celsius; Minimum nighttime temperature: 21° Celsius;
Maximum daytime temperature: 34 degrees Celsius; Minimum nighttime temperature: 21 degrees Celsius;
Sunny.
Sunrise:
Sunset:
VH UV
No pollution data.
No pollen data.
7 day forecast for Decatur
Today (22 July 2026)
| Time |
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|
| Weather symbols |  |
|
 |
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
23°
|
22°
|
20°
|
19°
|
17°
|
17°
|
| Feels like temperature (°C) |
22°
|
21°
|
19°
|
18°
|
16°
|
16°
|
| Wind direction and speed |
NNE
8
|
NNE
8
|
NNE
7
|
NE
7
|
NE
7
|
ENE
7
|
| Wind gust (mph) |
15
|
13
|
11
|
11
|
12
|
12
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
46%
|
54%
|
58%
|
64%
|
66%
|
69%
|
| UV | 1 | - | - | - | - | - |
Thursday (23 July 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) |
16°
|
15°
|
14°
|
13°
|
12°
|
12°
|
11°
|
13°
|
16°
|
19°
|
20°
|
22°
|
23°
|
23°
|
24°
|
24°
|
24°
|
24°
|
24°
|
23°
|
20°
|
18°
|
17°
|
17°
|
| Feels like temperature (°C) |
15°
|
14°
|
13°
|
12°
|
12°
|
11°
|
11°
|
13°
|
16°
|
18°
|
19°
|
20°
|
21°
|
22°
|
23°
|
23°
|
24°
|
23°
|
23°
|
23°
|
20°
|
18°
|
17°
|
17°
|
| Wind direction and speed (mph) |
ENE
7
|
ENE
6
|
ENE
5
|
ENE
4
|
NE
4
|
NE
5
|
NE
4
|
NE
3
|
NE
4
|
ENE
5
|
ENE
6
|
ENE
7
|
E
7
|
E
7
|
E
6
|
E
6
|
E
5
|
E
5
|
E
5
|
E
5
|
E
4
|
E
5
|
ENE
4
|
ENE
4
|
| Wind gust (mph) |
11
|
9
|
8
|
7
|
8
|
7
|
7
|
8
|
11
|
14
|
16
|
17
|
17
|
16
|
16
|
15
|
13
|
12
|
10
|
8
|
7
|
7
|
6
|
6
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
73%
|
75%
|
79%
|
85%
|
86%
|
89%
|
89%
|
83%
|
73%
|
64%
|
55%
|
43%
|
41%
|
40%
|
40%
|
40%
|
40%
|
41%
|
42%
|
55%
|
72%
|
76%
|
77%
|
78%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 4 | 7 | 8 | 9 | 10 | 8 | 7 | 4 | 2 | 1 | - | - | - | - | - |
Friday (24 July 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%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
10%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
| Temperature (°C) |
17°
|
16°
|
16°
|
15°
|
15°
|
14°
|
15°
|
16°
|
18°
|
20°
|
22°
|
23°
|
24°
|
24°
|
24°
|
25°
|
24°
|
24°
|
23°
|
23°
|
21°
|
20°
|
19°
|
19°
|
| Feels like temperature (°C) |
17°
|
16°
|
16°
|
15°
|
14°
|
14°
|
14°
|
16°
|
18°
|
21°
|
22°
|
23°
|
24°
|
24°
|
24°
|
25°
|
24°
|
24°
|
24°
|
23°
|
21°
|
20°
|
20°
|
19°
|
| Wind direction and speed (mph) |
ENE
4
|
ENE
4
|
ENE
4
|
ENE
4
|
ENE
4
|
E
4
|
E
4
|
E
3
|
E
4
|
ESE
3
|
SE
3
|
SSE
4
|
SSE
4
|
S
4
|
S
4
|
S
4
|
S
4
|
S
4
|
S
4
|
SSW
4
|
S
4
|
S
4
|
S
5
|
S
5
|
| Wind gust (mph) |
6
|
6
|
6
|
6
|
7
|
7
|
8
|
8
|
8
|
8
|
10
|
11
|
11
|
11
|
11
|
11
|
10
|
10
|
8
|
7
|
7
|
7
|
8
|
7
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
| Humidity |
80%
|
82%
|
82%
|
85%
|
85%
|
84%
|
84%
|
81%
|
74%
|
69%
|
65%
|
56%
|
51%
|
48%
|
49%
|
49%
|
55%
|
57%
|
59%
|
67%
|
75%
|
79%
|
81%
|
85%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 4 | 4 | 5 | 6 | 6 | 4 | 3 | 3 | 2 | 1 | - | - | - | - | - |
Saturday (25 July 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 |
20%
|
20%
|
20%
|
20%
|
20%
|
30%
|
20%
|
30%
|
40%
|
30%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
19°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
19°
|
20°
|
21°
|
22°
|
23°
|
24°
|
25°
|
26°
|
26°
|
27°
|
27°
|
27°
|
27°
|
25°
|
24°
|
23°
|
23°
|
| Feels like temperature (°C) |
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
20°
|
21°
|
22°
|
24°
|
25°
|
27°
|
28°
|
28°
|
29°
|
29°
|
29°
|
29°
|
27°
|
26°
|
26°
|
25°
|
| Wind direction and speed (mph) |
S
5
|
S
4
|
S
4
|
S
4
|
SSE
4
|
SSE
5
|
SSE
5
|
S
6
|
S
6
|
S
7
|
S
8
|
S
8
|
SSW
8
|
SSW
7
|
SSW
7
|
SW
7
|
SW
6
|
SW
5
|
SW
5
|
SSW
5
|
S
4
|
S
4
|
SSE
4
|
S
4
|
| Wind gust (mph) |
7
|
7
|
8
|
8
|
8
|
9
|
9
|
11
|
13
|
15
|
15
|
16
|
16
|
15
|
14
|
14
|
12
|
11
|
10
|
8
|
7
|
7
|
7
|
7
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
M
|
G
|
M
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
| Humidity |
87%
|
88%
|
90%
|
91%
|
91%
|
91%
|
91%
|
88%
|
86%
|
86%
|
84%
|
82%
|
79%
|
78%
|
76%
|
74%
|
75%
|
75%
|
76%
|
79%
|
87%
|
92%
|
94%
|
96%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 3 | 3 | 4 | 5 | 6 | 6 | 5 | 4 | 2 | 1 | - | - | - | - | - |
Sunday (26 July 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 |
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
23°
|
22°
|
22°
|
22°
|
22°
|
22°
|
22°
|
23°
|
24°
|
25°
|
27°
|
28°
|
29°
|
30°
|
31°
|
32°
|
32°
|
32°
|
31°
|
30°
|
25°
|
| Feels like temperature (°C) |
25°
|
25°
|
24°
|
25°
|
24°
|
24°
|
24°
|
25°
|
27°
|
28°
|
30°
|
31°
|
32°
|
33°
|
34°
|
34°
|
34°
|
34°
|
34°
|
33°
|
27°
|
| Wind direction and speed (mph) |
S
4
|
SSW
4
|
SW
4
|
SW
4
|
SW
3
|
WSW
3
|
WSW
3
|
WSW
3
|
W
3
|
W
4
|
WNW
5
|
NW
4
|
NW
5
|
WNW
5
|
WNW
5
|
WNW
5
|
WNW
5
|
NW
5
|
NNW
5
|
N
4
|
SSE
5
|
| Wind gust (mph) |
7
|
6
|
7
|
6
|
6
|
5
|
6
|
7
|
9
|
10
|
11
|
12
|
13
|
13
|
13
|
12
|
12
|
11
|
9
|
9
|
9
|
| Visibility (description) |
G
|
M
|
M
|
M
|
M
|
M
|
VP
|
VP
|
M
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
97%
|
97%
|
98%
|
98%
|
99%
|
99%
|
99%
|
99%
|
95%
|
90%
|
84%
|
77%
|
69%
|
65%
|
59%
|
57%
|
56%
|
57%
|
58%
|
67%
|
85%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 4 | 5 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 | - | - |
Monday (27 July 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%
|
<5%
|
10%
|
10%
|
<5%
|
10%
|
| Temperature (°C) |
23°
|
23°
|
24°
|
29°
|
33°
|
35°
|
32°
|
27°
|
| Feels like temperature (°C) |
25°
|
24°
|
25°
|
31°
|
34°
|
35°
|
34°
|
29°
|
| Wind direction and speed (mph) |
S
5
|
S
6
|
S
6
|
SSW
9
|
SW
10
|
SW
11
|
SSW
8
|
SW
7
|
| Wind gust (mph) |
10
|
11
|
17
|
21
|
21
|
20
|
15
|
13
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
G
|
| Humidity |
91%
|
92%
|
88%
|
74%
|
55%
|
48%
|
63%
|
77%
|
| UV | - | - | 1 | 6 | 9 | 4 | - | - |
Tuesday (28 July 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
26°
|
25°
|
24°
|
29°
|
33°
|
34°
|
31°
|
26°
|
| Feels like temperature (°C) |
28°
|
26°
|
26°
|
31°
|
35°
|
35°
|
33°
|
28°
|
| Wind direction and speed (mph) |
SW
7
|
WSW
7
|
W
7
|
WNW
8
|
NW
9
|
NNW
9
|
N
7
|
NE
7
|
| Wind gust (mph) |
13
|
13
|
17
|
18
|
19
|
18
|
13
|
14
|
| Visibility (description) |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
82%
|
84%
|
88%
|
74%
|
56%
|
51%
|
64%
|
74%
|
| UV | - | - | 1 | 6 | 9 | 4 | - | - |
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Forecast
Forecast for 7pm (UTC-5) Wednesday
Updated 19:18 (UTC+1) on Wed 22 Jul 2026
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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