Viana Do Castelo (Portugal) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 12° Celsius; -
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 15° Celsius;
-
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 17° Celsius;
-
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 14° Celsius; -
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 12° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 10° Celsius;
-
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 9° Celsius;
Fog changing to sunny by late morning.
Sunrise:
Sunset:
H UV
No pollution data.
No pollen data.
7 day forecast for Viana Do Castelo
Today (17 September 2025)
| Time |
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%
|
| Temperature |
14°
|
14°
|
15°
|
16°
|
18°
|
20°
|
22°
|
24°
|
24°
|
25°
|
25°
|
24°
|
22°
|
18°
|
17°
|
15°
|
15°
|
| Feels like temperature (°C) |
14°
|
14°
|
15°
|
16°
|
18°
|
20°
|
22°
|
24°
|
24°
|
25°
|
25°
|
24°
|
23°
|
19°
|
17°
|
16°
|
15°
|
| Wind direction and speed |
N
3
|
N
3
|
N
4
|
N
4
|
NNW
5
|
NNW
6
|
NNW
7
|
NNW
7
|
NNW
7
|
NW
7
|
NW
6
|
NW
6
|
NW
5
|
NW
4
|
NNW
3
|
NNW
3
|
NNW
3
|
| Wind gust (mph) |
7
|
8
|
8
|
10
|
12
|
14
|
15
|
16
|
15
|
13
|
11
|
10
|
8
|
6
|
6
|
5
|
4
|
| Visibility |
VP
|
VP
|
VP
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
| Humidity |
100%
|
100%
|
100%
|
97%
|
87%
|
77%
|
67%
|
63%
|
59%
|
57%
|
58%
|
63%
|
85%
|
92%
|
93%
|
95%
|
96%
|
| UV | 1 | 1 | 1 | 3 | 5 | 6 | 7 | 6 | 5 | 3 | 2 | 1 | 1 | - | - | - | - |
Thursday (18 September 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%
|
10%
|
10%
|
10%
|
10%
|
20%
|
| Temperature (°C) |
14°
|
14°
|
13°
|
13°
|
13°
|
12°
|
13°
|
12°
|
14°
|
17°
|
19°
|
21°
|
23°
|
23°
|
24°
|
24°
|
24°
|
24°
|
23°
|
22°
|
20°
|
18°
|
18°
|
17°
|
| Feels like temperature (°C) |
15°
|
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
12°
|
14°
|
17°
|
20°
|
22°
|
23°
|
24°
|
25°
|
25°
|
25°
|
25°
|
24°
|
24°
|
21°
|
19°
|
19°
|
18°
|
| Wind direction and speed (mph) |
NNW
1
|
NNE
1
|
ENE
1
|
ENE
2
|
ENE
3
|
ENE
3
|
E
3
|
E
3
|
ENE
3
|
ENE
2
|
NE
2
|
W
2
|
W
4
|
W
5
|
WNW
5
|
WNW
4
|
WNW
5
|
WNW
4
|
WNW
3
|
WNW
4
|
WNW
3
|
NW
3
|
NW
3
|
NNW
3
|
| Wind gust (mph) |
3
|
3
|
4
|
4
|
4
|
5
|
6
|
6
|
6
|
6
|
6
|
9
|
12
|
12
|
12
|
12
|
11
|
9
|
8
|
6
|
6
|
5
|
6
|
6
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
| Humidity |
96%
|
96%
|
98%
|
98%
|
98%
|
98%
|
97%
|
96%
|
95%
|
81%
|
72%
|
65%
|
65%
|
63%
|
62%
|
59%
|
59%
|
62%
|
65%
|
83%
|
88%
|
92%
|
93%
|
94%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 1 | 1 | - | - | - | - |
Friday (19 September 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%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
10%
|
<5%
|
<5%
|
10%
|
| Temperature (°C) |
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
18°
|
19°
|
21°
|
23°
|
24°
|
25°
|
25°
|
24°
|
24°
|
23°
|
21°
|
19°
|
18°
|
18°
|
18°
|
| Feels like temperature (°C) |
18°
|
17°
|
17°
|
17°
|
17°
|
16°
|
17°
|
17°
|
17°
|
19°
|
21°
|
22°
|
24°
|
25°
|
25°
|
25°
|
24°
|
24°
|
23°
|
22°
|
20°
|
19°
|
19°
|
19°
|
| Wind direction and speed (mph) |
NNW
3
|
NNW
3
|
N
2
|
NNW
3
|
NNW
3
|
NNE
2
|
N
2
|
NE
2
|
SSW
3
|
SSE
2
|
SSE
2
|
S
3
|
SSW
3
|
SSW
4
|
SSW
5
|
SSW
6
|
SSW
6
|
SSW
5
|
SSW
4
|
SSW
4
|
SSW
4
|
SSW
4
|
SSW
3
|
S
3
|
| Wind gust (mph) |
6
|
5
|
5
|
6
|
5
|
5
|
4
|
5
|
5
|
6
|
7
|
10
|
11
|
13
|
13
|
14
|
13
|
12
|
10
|
8
|
8
|
7
|
6
|
6
|
| Visibility (description) |
G
|
G
|
G
|
G
|
M
|
M
|
G
|
M
|
M
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
| Humidity |
96%
|
97%
|
97%
|
98%
|
98%
|
99%
|
98%
|
98%
|
98%
|
92%
|
86%
|
78%
|
67%
|
60%
|
58%
|
60%
|
59%
|
62%
|
68%
|
79%
|
88%
|
92%
|
93%
|
95%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 4 | 6 | 6 | 6 | 5 | 3 | 2 | 1 | 1 | - | - | - | - |
Saturday (20 September 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%
|
10%
|
20%
|
20%
|
10%
|
30%
|
30%
|
40%
|
50%
|
40%
|
40%
|
30%
|
40%
|
30%
|
30%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
18°
|
19°
|
19°
|
20°
|
20°
|
21°
|
21°
|
21°
|
21°
|
20°
|
19°
|
18°
|
17°
|
17°
|
17°
|
| Feels like temperature (°C) |
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
20°
|
19°
|
19°
|
18°
|
17°
|
17°
|
16°
|
15°
|
15°
|
15°
|
| Wind direction and speed (mph) |
S
3
|
SSE
3
|
SSE
3
|
SSE
3
|
SE
3
|
SSE
3
|
SSE
3
|
SSE
2
|
SSW
2
|
SSW
3
|
WSW
5
|
WNW
6
|
NW
9
|
NW
10
|
NW
10
|
NW
11
|
NW
12
|
NNW
12
|
NNW
12
|
NNW
11
|
NNW
11
|
NNW
11
|
NNW
11
|
N
11
|
| Wind gust (mph) |
5
|
5
|
6
|
5
|
6
|
5
|
5
|
4
|
6
|
9
|
12
|
17
|
20
|
22
|
23
|
23
|
25
|
24
|
23
|
21
|
20
|
21
|
21
|
21
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
96%
|
96%
|
96%
|
97%
|
97%
|
97%
|
98%
|
98%
|
98%
|
96%
|
94%
|
90%
|
83%
|
75%
|
67%
|
60%
|
59%
|
59%
|
60%
|
66%
|
73%
|
76%
|
78%
|
81%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 6 | 5 | 5 | 3 | 2 | 1 | 1 | - | - | - | - |
Sunday (21 September 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%
|
<5%
|
<5%
|
<5%
|
20%
|
10%
|
10%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
| Temperature (°C) |
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
16°
|
18°
|
19°
|
19°
|
20°
|
20°
|
20°
|
20°
|
20°
|
19°
|
18°
|
17°
|
16°
|
16°
|
15°
|
| Feels like temperature (°C) |
14°
|
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
15°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
16°
|
16°
|
15°
|
15°
|
14°
|
14°
|
13°
|
13°
|
| Wind direction and speed (mph) |
N
10
|
N
10
|
N
10
|
N
10
|
N
10
|
N
10
|
N
9
|
NNW
9
|
N
8
|
N
9
|
N
10
|
NNW
11
|
NNW
11
|
NNW
12
|
NNW
13
|
NNW
14
|
NNW
15
|
NNW
15
|
NNW
15
|
NNW
14
|
NNW
14
|
NNW
14
|
NNW
14
|
NNW
13
|
| Wind gust (mph) |
19
|
19
|
19
|
18
|
18
|
17
|
16
|
16
|
16
|
21
|
22
|
24
|
26
|
28
|
30
|
30
|
31
|
30
|
29
|
26
|
26
|
26
|
25
|
23
|
| 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 |
81%
|
83%
|
83%
|
84%
|
84%
|
85%
|
87%
|
88%
|
88%
|
74%
|
63%
|
56%
|
53%
|
51%
|
47%
|
46%
|
49%
|
51%
|
52%
|
57%
|
63%
|
65%
|
67%
|
69%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 2 | 3 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 1 | 1 | - | - | - | - |
Monday (22 September 2025)
| Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
<5%
|
<5%
|
<5%
|
20%
|
20%
|
10%
|
<5%
|
<5%
|
| Temperature (°C) |
15°
|
15°
|
13°
|
13°
|
16°
|
19°
|
20°
|
18°
|
15°
|
| Feels like temperature (°C) |
13°
|
12°
|
12°
|
11°
|
14°
|
16°
|
16°
|
15°
|
13°
|
| Wind direction and speed (mph) |
NNW
12
|
NNW
12
|
N
10
|
N
10
|
NNE
11
|
N
12
|
NNW
14
|
NNW
12
|
N
11
|
| Wind gust (mph) |
22
|
22
|
18
|
22
|
25
|
28
|
28
|
24
|
21
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
73%
|
75%
|
84%
|
86%
|
63%
|
46%
|
45%
|
49%
|
68%
|
| UV | - | - | - | 1 | 3 | 6 | 3 | 1 | - |
Tuesday (23 September 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
10%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
14°
|
13°
|
11°
|
16°
|
20°
|
21°
|
19°
|
15°
|
| Feels like temperature (°C) |
12°
|
11°
|
10°
|
15°
|
18°
|
19°
|
17°
|
14°
|
| Wind direction and speed (mph) |
N
10
|
N
7
|
NE
6
|
NNE
6
|
N
7
|
NNW
10
|
NNW
11
|
NNW
9
|
| Wind gust (mph) |
17
|
13
|
13
|
19
|
22
|
22
|
20
|
16
|
| Visibility (description) |
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
80%
|
86%
|
93%
|
67%
|
46%
|
43%
|
56%
|
76%
|
| UV | - | - | 1 | 3 | 6 | 3 | 1 | - |
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Forecast for 07:00 (UTC+1), Wed
Updated 06:44 (UTC+1) on Wed 17 Sep 2025
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