Viana Do Castelo (Portugal) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 24 degrees Celsius; Minimum nighttime temperature: 13 degrees Celsius; -
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 25 degrees Celsius; Minimum nighttime temperature: 16 degrees Celsius; -
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 23 degrees Celsius; Minimum nighttime temperature: 15 degrees Celsius;
-
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 17° Celsius;
Maximum daytime temperature: 23 degrees Celsius; Minimum nighttime temperature: 17 degrees Celsius;
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 21 degrees Celsius; Minimum nighttime temperature: 16 degrees Celsius; -
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 20 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius; -
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 18 degrees Celsius; Minimum nighttime temperature: 14 degrees Celsius;
Partly cloudy changing to sunny by late morning.
Sunrise:
Sunset:
H UV
No pollution data.
No pollen data.
7 day forecast for Viana Do Castelo
Friday (25 September 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 |
16°
|
16°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
15°
|
16°
|
17°
|
19°
|
21°
|
22°
|
23°
|
24°
|
24°
|
23°
|
22°
|
20°
|
17°
|
16°
|
16°
|
15°
|
| Feels like temperature (°C) |
16°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
15°
|
16°
|
17°
|
18°
|
20°
|
22°
|
22°
|
23°
|
23°
|
22°
|
21°
|
20°
|
17°
|
16°
|
16°
|
15°
|
| Wind direction and speed |
N
5
|
N
5
|
N
4
|
N
4
|
N
4
|
N
4
|
N
4
|
N
4
|
N
4
|
N
4
|
N
6
|
N
6
|
NNW
6
|
NNW
8
|
NNW
9
|
NNW
9
|
NNW
9
|
NNW
10
|
NNW
9
|
NNW
8
|
NNW
6
|
NNW
6
|
NNW
4
|
N
3
|
| Wind gust (mph) |
10
|
9
|
7
|
7
|
7
|
8
|
7
|
7
|
8
|
10
|
11
|
12
|
14
|
16
|
17
|
17
|
16
|
16
|
14
|
12
|
10
|
8
|
6
|
6
|
| Visibility |
G
|
G
|
G
|
M
|
M
|
M
|
P
|
M
|
M
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
| Humidity |
96%
|
95%
|
96%
|
97%
|
98%
|
98%
|
99%
|
99%
|
99%
|
91%
|
85%
|
77%
|
69%
|
65%
|
57%
|
55%
|
55%
|
58%
|
65%
|
81%
|
92%
|
92%
|
93%
|
94%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 4 | 6 | 6 | 5 | 4 | 3 | 1 | 1 | 1 | - | - | - | - |
Saturday (26 September 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%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
17°
|
19°
|
21°
|
23°
|
24°
|
25°
|
25°
|
24°
|
23°
|
23°
|
21°
|
19°
|
19°
|
19°
|
18°
|
| Feels like temperature (°C) |
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
17°
|
20°
|
22°
|
23°
|
25°
|
25°
|
25°
|
24°
|
23°
|
23°
|
22°
|
20°
|
20°
|
19°
|
19°
|
| Wind direction and speed (mph) |
N
3
|
N
3
|
NNE
3
|
NNE
2
|
NNE
3
|
NE
3
|
NE
3
|
NE
2
|
NE
2
|
NE
2
|
NNE
2
|
NNW
2
|
NW
3
|
NW
3
|
WNW
4
|
WNW
5
|
NW
5
|
NW
5
|
NW
5
|
NW
5
|
NNW
4
|
NNW
4
|
NNW
3
|
NNW
3
|
| Wind gust (mph) |
5
|
4
|
4
|
4
|
4
|
4
|
4
|
4
|
4
|
4
|
5
|
6
|
8
|
9
|
10
|
10
|
10
|
9
|
8
|
7
|
6
|
6
|
6
|
5
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
95%
|
96%
|
96%
|
96%
|
96%
|
97%
|
97%
|
97%
|
98%
|
84%
|
75%
|
66%
|
61%
|
55%
|
51%
|
52%
|
54%
|
55%
|
61%
|
80%
|
85%
|
88%
|
89%
|
90%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 4 | 5 | 5 | 5 | 2 | 2 | 1 | 1 | 1 | - | - | - | - |
Sunday (27 September 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%
|
20%
|
20%
|
20%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
<5%
|
| Temperature (°C) |
18°
|
18°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
17°
|
18°
|
19°
|
20°
|
21°
|
22°
|
22°
|
22°
|
22°
|
22°
|
21°
|
20°
|
18°
|
18°
|
17°
|
17°
|
| Feels like temperature (°C) |
19°
|
19°
|
18°
|
18°
|
18°
|
17°
|
17°
|
17°
|
18°
|
19°
|
20°
|
21°
|
22°
|
23°
|
23°
|
23°
|
22°
|
22°
|
22°
|
21°
|
19°
|
19°
|
18°
|
18°
|
| Wind direction and speed (mph) |
NNW
3
|
N
3
|
N
3
|
N
3
|
NNW
3
|
N
3
|
NNE
3
|
NNE
3
|
NNE
3
|
N
3
|
N
2
|
N
2
|
WNW
2
|
WSW
3
|
W
3
|
W
4
|
W
5
|
WNW
4
|
NW
3
|
NW
3
|
NNW
3
|
NNW
3
|
NNW
3
|
N
3
|
| Wind gust (mph) |
4
|
5
|
5
|
4
|
4
|
5
|
5
|
5
|
5
|
5
|
5
|
6
|
8
|
8
|
10
|
10
|
9
|
8
|
7
|
6
|
6
|
5
|
4
|
4
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
G
|
G
|
G
|
G
|
VG
|
VG
|
G
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
92%
|
93%
|
94%
|
94%
|
96%
|
96%
|
96%
|
96%
|
96%
|
90%
|
89%
|
83%
|
75%
|
68%
|
70%
|
68%
|
69%
|
71%
|
75%
|
85%
|
91%
|
92%
|
94%
|
96%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 2 | 2 | 1 | 1 | 1 | - | - | - | - |
Monday (28 September 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%
|
<5%
|
<5%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
20%
|
| Temperature (°C) |
17°
|
17°
|
17°
|
16°
|
15°
|
15°
|
15°
|
15°
|
15°
|
17°
|
18°
|
20°
|
22°
|
23°
|
22°
|
22°
|
22°
|
21°
|
20°
|
19°
|
18°
|
18°
|
18°
|
18°
|
| Feels like temperature (°C) |
18°
|
18°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
18°
|
19°
|
21°
|
22°
|
22°
|
22°
|
21°
|
21°
|
20°
|
19°
|
19°
|
18°
|
17°
|
17°
|
16°
|
| Wind direction and speed (mph) |
NE
3
|
NNE
3
|
NNE
3
|
NE
2
|
ENE
3
|
ENE
3
|
E
3
|
ENE
2
|
E
3
|
E
3
|
ESE
2
|
SSE
4
|
S
6
|
S
7
|
S
8
|
S
9
|
S
9
|
S
9
|
S
8
|
S
6
|
SSE
7
|
SSE
8
|
SSE
10
|
SSE
12
|
| Wind gust (mph) |
4
|
4
|
4
|
4
|
4
|
4
|
4
|
4
|
5
|
5
|
7
|
11
|
14
|
16
|
17
|
16
|
17
|
16
|
13
|
11
|
13
|
15
|
19
|
21
|
| Visibility (description) |
G
|
G
|
M
|
G
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
96%
|
96%
|
97%
|
97%
|
97%
|
98%
|
99%
|
99%
|
99%
|
94%
|
88%
|
78%
|
68%
|
64%
|
62%
|
63%
|
67%
|
71%
|
75%
|
86%
|
92%
|
92%
|
93%
|
93%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 4 | 5 | 6 | 5 | 4 | 3 | 1 | 1 | 1 | - | - | - | - |
Tuesday (29 September 2026)
| Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
 |
|
 |
|
 |
|
| Chance of precipitation |
20%
|
20%
|
40%
|
50%
|
50%
|
60%
|
70%
|
80%
|
70%
|
| Temperature (°C) |
18°
|
18°
|
18°
|
18°
|
19°
|
20°
|
20°
|
19°
|
18°
|
| Feels like temperature (°C) |
16°
|
16°
|
16°
|
16°
|
15°
|
16°
|
16°
|
17°
|
17°
|
| Wind direction and speed (mph) |
SSE
13
|
SSE
14
|
SSE
15
|
SSE
17
|
S
19
|
S
20
|
S
20
|
S
16
|
S
13
|
| Wind gust (mph) |
22
|
25
|
28
|
31
|
35
|
35
|
32
|
27
|
23
|
| Visibility (description) |
M
|
M
|
M
|
M
|
M
|
M
|
M
|
P
|
P
|
| Humidity |
93%
|
93%
|
93%
|
90%
|
90%
|
84%
|
87%
|
95%
|
98%
|
| UV | - | - | - | 1 | 2 | 2 | 1 | 1 | - |
Wednesday (30 September 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
50%
|
50%
|
50%
|
50%
|
30%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
18°
|
17°
|
17°
|
18°
|
20°
|
20°
|
18°
|
16°
|
| Feels like temperature (°C) |
18°
|
18°
|
17°
|
18°
|
19°
|
19°
|
18°
|
16°
|
| Wind direction and speed (mph) |
S
8
|
SSE
5
|
S
4
|
S
5
|
WSW
7
|
W
8
|
W
5
|
NNW
3
|
| Wind gust (mph) |
13
|
9
|
9
|
15
|
18
|
16
|
7
|
5
|
| Visibility (description) |
P
|
M
|
M
|
M
|
G
|
VG
|
G
|
G
|
| Humidity |
97%
|
98%
|
98%
|
95%
|
76%
|
69%
|
81%
|
93%
|
| UV | - | - | 1 | 2 | 4 | 2 | 1 | - |
Thursday (1 October 2026)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
<5%
|
| Temperature (°C) |
15°
|
14°
|
14°
|
17°
|
18°
|
18°
|
17°
|
16°
|
| Feels like temperature (°C) |
15°
|
15°
|
14°
|
17°
|
18°
|
17°
|
16°
|
15°
|
| Wind direction and speed (mph) |
N
3
|
NE
4
|
NE
4
|
E
4
|
WNW
7
|
NW
8
|
NNW
7
|
NNE
6
|
| Wind gust (mph) |
5
|
5
|
6
|
13
|
18
|
19
|
13
|
9
|
| Visibility (description) |
G
|
G
|
M
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
94%
|
95%
|
96%
|
84%
|
71%
|
75%
|
82%
|
86%
|
| UV | - | - | 1 | 3 | 5 | 2 | 1 | - |
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Forecast for 1am (UTC+1) Friday
Updated 19:33 (UTC+1) on Thu 24 Sep 2026
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