Weather San Sebastian today


image/svg+xml image/svg+xml image/svg+xml Saturday, Apr 18 16 / C ° 11 0.0 mm 12 km/h Today 4/18/26 16 / 11 °C Tomorrow 4/19/26 18 / 13 °C Monday 4/20/26 20 / 14 °C image/svg+xml image/svg+xml
sunrise 7:11 am
sunset 9:01 pm
HOURLY


Interactive map weather Spain


Flag Spain
GPS: 43.3128; -1.9750
altitude: 17 m
local time:
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Weather forecast San Sebastian, Spain extended forecast

Time State   Temp.   Feels like Precip. Wind PressureHumidity Dew total
 
Fog Low
 
Middle
 
High
 

Friday 04/24/2026

2 AM
8 PM 
cloudy 15 °C
16 °C
0.0 mm
 0.8 m/s3 km/h
south
1014 hPa94 % 14  °C83 % 0% 0% 0% 83%
8 AM
2 AM 
clear 14 °C
14 °C
0.0 mm
 1.2 m/s4 km/h
south-southeast
1013 hPa76 % 10  °C0 % 0% 0% 0% 0%
2 PM
8 AM 
cloudy 23 °C
23 °C
0.0 mm
 2.9 m/s10 km/h
southeast
1013 hPa45 % 10  °C49 % 0% 0% 0% 49%
8 PM
2 PM 
cloudy 22 °C
22 °C
0.0 mm
 2.7 m/s10 km/h
east-southeast
1011 hPa52 % 12  °C71 % 0% 0% 0% 71%

Saturday 04/25/2026

2 AM
8 PM 
overcast 19 °C
16 °C
0.0 mm
 8.6 m/s31 km/h
south
1012 hPa33 % 2  °C99 % 0% 0% 0% 99%
8 AM
2 AM 
clear 16 °C
14 °C
0.0 mm
 3.5 m/s13 km/h
south
1012 hPa46 % 4  °C7 % 0% 0% 1% 5%
2 PM
8 AM 
clear 22 °C
22 °C
0.0 mm
 2.5 m/s9 km/h
north-northeast
1013 hPa56 % 13  °C2 % 0% 0% 2% 0%
8 PM
2 PM 
cloudy 20 °C
20 °C
0.0 mm
 4.0 m/s14 km/h
east-northeast
1011 hPa67 % 14  °C78 % 0% 0% 31% 68%
 

San Sebastian, Spain - information

State: Spain
GPS coordinates: 43.3128; -1.9750
Time zone: Europe / Madrid

Population: 185 357
Altitude: 17 m
The administrative part:



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Data source

Weather forecast for San Sebastian is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Long-term statistical averages

average min. max.  precipit…
days
 January 8.2 °C 5.5 °C 10.8 °C  13 
 February 8.8 °C 6.0 °C 11.6 °C  12 
 March 9.7 °C 6.6 °C 12.8 °C  13 
 April 10.7 °C 7.6 °C 13.8 °C  14 
 May 13.8 °C 10.5 °C 17.1 °C  13 
 June 16.2 °C 13.1 °C 19.3 °C  11 
 July 18.6 °C 15.5 °C 21.6 °C  10 
 August 19.1 °C 16.1 °C 22.2 °C  10 
 September 17.7 °C 14.4 °C 21.0 °C  10 
 October 14.9 °C 11.9 °C 18.0 °C  12 
 November 11.1 °C 8.3 °C 13.8 °C  13 
 December 9.3 °C 6.7 °C 11.8 °C  12 
Statistical averages in charts San Sebastian


Astronomical information San Sebastian

data are always in the local time

Sun and light

 April 24, 2026 
Sunrise: Sunset: 
7:11 am 9:01 pm
Noon: Length of day: 
2:06 pm13:50
Start of civil twilight*: End of civil twilight*: 
6:40 am9:32 pm
Start of nautical twilight*: End of nautical twilight*: 
6:03 am10:09 pm
Start of astronomical twilight*:  End of astronomical twilight*: 
5:23 am10:49 pm
* What is Twilight?

Moon and moon phases

Moonrise: Moonset: 
04/24/2026 1:25 pm 04/25/2026 4:24 am
Next new moon: Next full moon: 
05/16/202605/01/2026

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