San Sebastian (Spain) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 33° Celsius; Minimum nighttime temperature: 24° Celsius;
Maximum daytime temperature: 33° Celsius; Minimum nighttime temperature: 24° Celsius; -
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 16° Celsius; -
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 14° Celsius; -
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 13° Celsius;
-
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 12° Celsius;
-
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 12° Celsius;
-
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 11° Celsius;
Clear changing to partly cloudy by nighttime.
Sunrise:
Sunset:
H UV
No pollution data.
No pollen data.
7 day forecast for San Sebastian
Today (18 September 2025)
| Time |
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%
|
20%
|
30%
|
20%
|
20%
|
20%
|
| Temperature |
18°
|
18°
|
18°
|
22°
|
23°
|
24°
|
26°
|
28°
|
30°
|
31°
|
32°
|
32°
|
32°
|
32°
|
29°
|
29°
|
30°
|
29°
|
| Feels like temperature (°C) |
20°
|
19°
|
19°
|
24°
|
25°
|
26°
|
29°
|
31°
|
32°
|
33°
|
34°
|
34°
|
34°
|
35°
|
31°
|
29°
|
29°
|
28°
|
| Wind direction and speed |
SSE
2
|
SE
2
|
SE
2
|
SSE
2
|
SSE
2
|
S
2
|
SSW
2
|
S
3
|
SSW
4
|
SW
4
|
SSW
4
|
SSW
4
|
SSE
4
|
S
4
|
S
7
|
S
9
|
S
10
|
S
12
|
| Wind gust (mph) |
5
|
5
|
6
|
6
|
6
|
6
|
8
|
14
|
13
|
13
|
12
|
11
|
11
|
16
|
19
|
22
|
24
|
27
|
| Visibility |
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
92%
|
94%
|
95%
|
88%
|
82%
|
77%
|
68%
|
61%
|
55%
|
50%
|
46%
|
46%
|
48%
|
63%
|
59%
|
50%
|
46%
|
47%
|
| UV | - | 1 | 1 | 1 | 2 | 4 | 5 | 6 | 6 | 5 | 4 | 2 | 1 | 1 | 1 | - | - | - |
Saturday (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%
|
10%
|
10%
|
30%
|
50%
|
40%
|
40%
|
40%
|
30%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
50%
|
80%
|
90%
|
80%
|
60%
|
70%
|
60%
|
| Temperature (°C) |
29°
|
28°
|
28°
|
27°
|
27°
|
26°
|
25°
|
25°
|
24°
|
24°
|
25°
|
26°
|
26°
|
24°
|
23°
|
22°
|
22°
|
22°
|
21°
|
20°
|
20°
|
19°
|
19°
|
19°
|
| Feels like temperature (°C) |
27°
|
26°
|
26°
|
25°
|
24°
|
24°
|
23°
|
23°
|
23°
|
23°
|
24°
|
25°
|
26°
|
24°
|
22°
|
21°
|
21°
|
21°
|
20°
|
19°
|
18°
|
18°
|
18°
|
18°
|
| Wind direction and speed (mph) |
S
13
|
S
14
|
S
15
|
S
14
|
S
15
|
S
14
|
S
13
|
S
13
|
S
12
|
S
12
|
S
12
|
SSW
12
|
SW
12
|
WSW
12
|
W
12
|
WNW
12
|
NW
12
|
NW
11
|
WNW
12
|
WNW
12
|
WNW
12
|
WNW
11
|
WNW
11
|
WNW
10
|
| Wind gust (mph) |
29
|
30
|
30
|
30
|
30
|
28
|
28
|
27
|
26
|
26
|
26
|
25
|
26
|
25
|
25
|
26
|
25
|
23
|
23
|
22
|
22
|
21
|
20
|
19
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
M
|
M
|
M
|
M
|
G
|
G
|
| Humidity |
46%
|
48%
|
47%
|
49%
|
49%
|
54%
|
58%
|
61%
|
63%
|
64%
|
65%
|
64%
|
65%
|
74%
|
77%
|
81%
|
78%
|
78%
|
84%
|
89%
|
91%
|
91%
|
87%
|
86%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 4 | 5 | 6 | 5 | 4 | 2 | 1 | 1 | 1 | 1 | - | - | - |
Sunday (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 |
60%
|
70%
|
70%
|
80%
|
90%
|
90%
|
90%
|
≥95%
|
≥95%
|
90%
|
90%
|
90%
|
90%
|
80%
|
70%
|
80%
|
80%
|
80%
|
80%
|
70%
|
60%
|
60%
|
70%
|
60%
|
| Temperature (°C) |
19°
|
19°
|
18°
|
18°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
| Feels like temperature (°C) |
18°
|
18°
|
17°
|
17°
|
16°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
13°
|
| Wind direction and speed (mph) |
WNW
10
|
WNW
10
|
WNW
10
|
NW
10
|
WNW
10
|
NW
9
|
NW
8
|
NW
9
|
NW
8
|
NW
8
|
NW
8
|
NW
8
|
NW
9
|
WNW
10
|
WNW
10
|
WNW
11
|
WNW
12
|
WNW
13
|
WNW
14
|
WNW
13
|
WNW
13
|
W
13
|
W
13
|
W
13
|
| Wind gust (mph) |
18
|
18
|
18
|
18
|
18
|
17
|
16
|
16
|
16
|
15
|
16
|
18
|
19
|
20
|
22
|
23
|
25
|
26
|
25
|
25
|
25
|
22
|
23
|
23
|
| Visibility (description) |
G
|
G
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
G
|
M
|
M
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
86%
|
85%
|
88%
|
89%
|
90%
|
92%
|
92%
|
92%
|
93%
|
92%
|
92%
|
92%
|
91%
|
89%
|
86%
|
85%
|
84%
|
82%
|
79%
|
81%
|
80%
|
79%
|
82%
|
83%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | - | - | - |
Monday (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 |
60%
|
60%
|
60%
|
70%
|
80%
|
60%
|
70%
|
70%
|
80%
|
70%
|
70%
|
80%
|
60%
|
70%
|
80%
|
80%
|
80%
|
80%
|
80%
|
80%
|
60%
|
60%
|
80%
|
60%
|
| Temperature (°C) |
15°
|
15°
|
15°
|
14°
|
15°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
16°
|
16°
|
16°
|
16°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
| Feels like temperature (°C) |
13°
|
13°
|
12°
|
12°
|
12°
|
12°
|
11°
|
11°
|
11°
|
12°
|
12°
|
12°
|
12°
|
12°
|
13°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
| Wind direction and speed (mph) |
W
13
|
W
13
|
W
14
|
W
14
|
W
15
|
W
15
|
W
15
|
W
15
|
W
16
|
W
16
|
W
16
|
W
17
|
W
16
|
W
16
|
W
17
|
W
17
|
W
18
|
W
19
|
WNW
19
|
WNW
17
|
WNW
17
|
WNW
16
|
WNW
14
|
WNW
15
|
| Wind gust (mph) |
26
|
25
|
26
|
27
|
27
|
28
|
29
|
29
|
28
|
28
|
29
|
29
|
31
|
32
|
33
|
34
|
36
|
35
|
34
|
32
|
32
|
29
|
26
|
27
|
| Visibility (description) |
G
|
VG
|
G
|
G
|
G
|
G
|
VG
|
G
|
G
|
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
G
|
| Humidity |
83%
|
84%
|
84%
|
84%
|
84%
|
83%
|
83%
|
84%
|
83%
|
78%
|
76%
|
76%
|
75%
|
73%
|
70%
|
72%
|
74%
|
75%
|
77%
|
78%
|
78%
|
78%
|
79%
|
80%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 3 | 2 | 5 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - |
Tuesday (22 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 |
60%
|
70%
|
70%
|
70%
|
70%
|
70%
|
60%
|
60%
|
80%
|
80%
|
80%
|
80%
|
70%
|
50%
|
60%
|
50%
|
40%
|
30%
|
40%
|
40%
|
40%
|
30%
|
40%
|
30%
|
| Temperature (°C) |
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
17°
|
15°
|
15°
|
14°
|
14°
|
| Feels like temperature (°C) |
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
13°
|
13°
|
13°
|
13°
|
| Wind direction and speed (mph) |
WNW
14
|
WNW
14
|
WNW
13
|
WNW
13
|
WNW
12
|
WNW
11
|
NW
10
|
NW
10
|
NW
10
|
NW
10
|
NW
9
|
NW
9
|
NW
9
|
NW
9
|
NW
9
|
NW
10
|
NW
10
|
NW
10
|
NW
10
|
NW
11
|
NNW
10
|
NNW
10
|
NNW
9
|
NNW
9
|
| Wind gust (mph) |
27
|
24
|
24
|
24
|
22
|
22
|
20
|
20
|
20
|
20
|
19
|
18
|
20
|
20
|
21
|
22
|
21
|
21
|
21
|
21
|
20
|
18
|
17
|
16
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
82%
|
82%
|
84%
|
84%
|
84%
|
84%
|
85%
|
86%
|
86%
|
85%
|
84%
|
80%
|
79%
|
74%
|
72%
|
67%
|
64%
|
63%
|
63%
|
64%
|
73%
|
73%
|
78%
|
77%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 4 | 3 | 2 | 1 | 1 | 1 | - | - | - |
Wednesday (23 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
30%
|
30%
|
30%
|
20%
|
40%
|
30%
|
30%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
14°
|
14°
|
14°
|
14°
|
13°
|
15°
|
17°
|
17°
|
16°
|
15°
|
| Feels like temperature (°C) |
13°
|
13°
|
12°
|
12°
|
12°
|
14°
|
16°
|
16°
|
14°
|
14°
|
| Wind direction and speed (mph) |
NW
8
|
NW
8
|
NW
8
|
W
9
|
SW
7
|
WSW
7
|
NW
8
|
NNW
8
|
N
8
|
NE
8
|
| Wind gust (mph) |
15
|
15
|
17
|
15
|
16
|
18
|
19
|
18
|
16
|
15
|
| Visibility (description) |
VG
|
VG
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
79%
|
78%
|
81%
|
83%
|
84%
|
69%
|
60%
|
59%
|
70%
|
77%
|
| UV | - | - | - | - | 1 | 3 | 5 | 2 | - | - |
Thursday (24 September 2025)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
20%
|
20%
|
30%
|
10%
|
<5%
|
10%
|
10%
|
| Temperature (°C) |
14°
|
14°
|
12°
|
16°
|
17°
|
18°
|
16°
|
15°
|
| Feels like temperature (°C) |
13°
|
12°
|
11°
|
15°
|
16°
|
17°
|
15°
|
14°
|
| Wind direction and speed (mph) |
E
7
|
S
7
|
SSE
6
|
S
6
|
NW
7
|
N
7
|
NNE
7
|
ENE
7
|
| Wind gust (mph) |
14
|
13
|
14
|
16
|
19
|
17
|
14
|
12
|
| Visibility (description) |
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
81%
|
84%
|
88%
|
69%
|
59%
|
61%
|
72%
|
78%
|
| UV | - | - | 1 | 3 | 5 | 2 | - | - |
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Updated 01:21 (UTC+1) on Fri 19 Sep 2025
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