San Sebastian weather live forecast

Today's maximum temperature in San Sebastian is expected to be 21°C. Select a day from the live weather forecast for San Sebastian, Spain for more weather parameters.

Wednesday
29th Apr
21

15

1

4
Thursday
30th Apr
19

15

6

5
Friday
1st May
24

15

5

5
Saturday
2nd May
21

17

0

4
Sunday
3rd May
17

15

6

2

5-day weather forecast updated at 04:01 on Wednesday 29th April 2026 GMT

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The 5-day weather forecast for Spain (San Sebastian) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

San Sebastian weather forecast by day

Below are the detailed weather forecasts for San Sebastian for the next 5 days.

San Sebastian weather for Wednesday 29th April 2026

Expect mostly cloudy with light rain in San Sebastian, Spain with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a gentle breeze of 17 kph from the south-east.

21
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
4
UV index (Moderate)
27
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
17
kph wind from SE

San Sebastian weather for Thursday 30th April 2026

Expect broken clouds in San Sebastian, Spain with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.

19
°C maximum temperature
15
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from N

San Sebastian weather for Friday 1st May 2026

Expect isolated thunderstorms in San Sebastian, Spain with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a light breeze of 7 kph from the east.

24
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
5
UV index (Moderate)
41
% chance of some rain
<2
mm of rainfall expected
24
°C wind chill
7
kph wind from E

San Sebastian weather for Saturday 2nd May 2026

Expect isolated thunderstorms in San Sebastian, Spain with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 76% chance of some rain and a light breeze of 8 kph from the south.

21
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
4
UV index (Moderate)
76
% chance of some rain
<20
mm of rainfall expected
21
°C wind chill
8
kph wind from S

San Sebastian weather for Sunday 3rd May 2026

Expect sunshine and showers in San Sebastian, Spain with a maximum temperature of 17°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a gentle breeze of 13 kph from the north.