San Sebastián

Current Weather

26°78°

Overcast

Feels Like: 25°76°

Min: 23°74°

Max: 30°86°

The next few hours will be humid and overcast, with today reaching 30°C and dropping to 24°C. The coming days will be light rain throughout the day and possible thunderstorms until evening.

Hourly Forecast
25°77°27°80°28°82°29°84°29°85°30°86°29°85°28°83°28°82°27°80°26°79°25°78°25°77°25°77°25°77°25°76°24°76°24°76°24°75°24°75°24°75°24°75°24°75°24°75°
32%
32%
32%
82%
82%
82%
98%
98%
98%
38%
38%
38%
12%
12%
12%
38%
38%
38%
26%
26%
26%
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
Today
Tomorrow

Want a closer look at the weather?

Premium adds minute-by-minute rain timing, yesterday comparisons, and more detail across Airpult.

Get Premium
Air Quality
13
Good

Air quality is satisfactory, and air pollution poses little or no risk.

GoodHazardous
Daylight Hours

05:28

Sunrise

17:14

Sunset

11 hours 45 minutes of sunlight today
Moon

06:58

Moonrise

18:00

Moonset

Daily Forecast

Today

23°74°
30°86°

Tuesday

24°75°
32°89°

Wednesday

23°74°
32°90°

Thursday

24°75°
32°89°

Friday

23°74°
32°89°

Saturday

24°75°
30°85°

Sunday

23°74°
29°84°

Monday

23°74°
26°79°

Tuesday

23°74°
28°83°

Wednesday

23°74°
27°81°
UV Index
No protection needed
2Low
LowExtreme
Humidity
92%Very Humid
LowHigh
Looking at the night sky?

See moon phases, eclipses, and seasons for this year.

View astronomy
Current stargazing conditions?

See sky darkness, moon phase, and the best viewing window for San Sebastián.

View stargazing score

Weather in San Sebastián today, October 12, 2026

San Sebastián looks damp on October 12, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Morning plans should assume damp conditions, as rain chances climb toward 82% around 10:00. Cloud cover is also at its densest near 07:00 at roughly 92%.San Sebastián looks damp on October 12, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Morning plans should assume damp conditions, as rain chances climb toward 82% around 10:00. Cloud cover is also at its densest near 07:00 at roughly 92%.

The temperature range runs from about 23°C up to 30°C. The air stays humid, with relative humidity between 70% and 100% and the peak around 18:00. A lighter breeze peaks around 12:00 near 9 km/h.The temperature range runs from about 74°F up to 86°F. The air stays humid, with relative humidity between 70% and 100% and the peak around 18:00. A lighter breeze peaks around 12:00 near 5 mph.

Expect the wet theme to continue later, as rain odds reach 98% near 13:00. Cloud amounts hold near 91% around 12:00. Visibility holds near 15.6 km, though it can fall to 10.6 km. Daylight runs from 05:28 to 17:14, lasting 11 hours 45 minutes of sunlight today.Expect the wet theme to continue later, as rain odds reach 98% near 13:00. Cloud amounts hold near 91% around 12:00. Visibility holds near 9.7 mi, though it can fall to 6.6 mi. Daylight runs from 05:28 to 17:14, lasting 11 hours 45 minutes of sunlight today.

In short, treat October 12, 2026 in San Sebastián as a damp day: pack covers, watch the wetter hours, and expect a high near 30°C.In short, treat October 12, 2026 in San Sebastián as a damp day: pack covers, watch the wetter hours, and expect a high near 86°F.

Frequently asked questions about weather in San Sebastián

How warm does it get in San Sebastián?

The warmest month in San Sebastián is May, with average high temperatures of 31°C. The average temperature during this period is around 27°C.The warmest month in San Sebastián is May, with average high temperatures of 88°F. The average temperature during this period is around 81°F.

How cold does it get in San Sebastián?

The coldest month in San Sebastián is January, with average low temperatures of 23°C. The average temperature during this period is around 25°C.The coldest month in San Sebastián is January, with average low temperatures of 73°F. The average temperature during this period is around 77°F.

What is the wettest time of year in San Sebastián?

The wettest month in San Sebastián is June, with an average of 361 mm of precipitation.The wettest month in San Sebastián is June, with an average of 14.2 in of precipitation.

What is the driest time of year in San Sebastián?

The driest month in San Sebastián is March, with an average of 65 mm of precipitation.The driest month in San Sebastián is March, with an average of 2.6 in of precipitation.

View full climate insights for San Sebastián →