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Weather in San Sebastian, Strana Baskov, Spain — today, tomorrow and 14-day forecast

Updated 21.08 at 11:32

+19°

Showers

feels like +17°

7.2 m/s, W89%763 mmHg06:1920:04🌙 60%

Weather in San Sebastian now: +19°, showers, wind 7.2 m/s, humidity 89%. Accurate forecast for today, tomorrow, 3 days and 2 weeks — temperature, precipitation, pressure and wind.

Now Tomorrow 3 days Week 2 weeks 🗄 Archive 📒 Diary 🎣 Fishing 🌊 Water t°

Showers, precipitation. Now +19°, feels like +17°, wind 7.2 m/s, W · precip 3.7 mm.

Weather in San Sebastian now

+17°

Feels like

7.2 m/s

Wind, W

89%

Humidity

5

UV index

763

Pressure, mmHg

3.7 mm

Precip, mm

06:19

Sunrise

20:04

Sunset · day 13h 45m

Hourly forecast for today in San Sebastian

12:00

+20°

0.3 mm

13:00

+21°

14:00

+21°

0.1 mm

15:00

+21°

0.1 mm

16:00

+21°

0.1 mm

17:00

+21°

18:00

+22°

19:00

+21°

20:00

+20°

🌇 sunset

21:00

+20°

22:00

+20°

23:00

+19°

00:00

+19°

01:00

+18°

02:00

+17°

03:00

+17°

04:00

+16°

05:00

+16°

06:00

+16°

🌅 sunrise

07:00

+16°

08:00

+18°

09:00

+20°

10:00

+21°

11:00

+22°

swipe→

Weather in San Sebastian tomorrow

From +16° to +25° — day and night.

Saturday

August 22

+16°+25°

💧 0.6 mm · 🌬 8 m/s · UV 7

Weather in San Sebastian for 3 days

From +16° to +30° — day and night.

Friday

August 21

+19°+22°

💧 3.7 mm · 🌬 9 m/s · UV 7

Saturday

August 22

+16°+25°

💧 0.6 mm · 🌬 8 m/s · UV 7

Sunday

August 23

+20°+30°

🌬 8 m/s · UV 7

Weather in San Sebastian for the week

Including the 5-day outlook.

From +16° to +31° — day and night.

Friday

August 21

+19°+22°

💧 3.7 mm · 🌬 9 m/s · UV 7

Saturday

August 22

+16°+25°

💧 0.6 mm · 🌬 8 m/s · UV 7

Sunday

August 23

+20°+30°

🌬 8 m/s · UV 7

Monday

August 24

+26°+31°

💧 0.7 mm · 🌬 8 m/s · UV 0

Tuesday

August 25

+23°+26°

💧 0.4 mm · 🌬 6 m/s

Wednesday

August 26

+20°+28°

💧 0.5 mm · 🌬 2 m/s

Thursday

August 27

+19°+22°

💧 2.9 mm · 🌬 3 m/s

Weather in San Sebastian for 2 weeks

Including the 10-day outlook.

From +16° to +31° — day and night.

Friday

August 21

+19°+22°

💧 3.7 mm · 🌬 9 m/s · UV 7

Saturday

August 22

+16°+25°

💧 0.6 mm · 🌬 8 m/s · UV 7

Sunday

August 23

+20°+30°

🌬 8 m/s · UV 7

Monday

August 24

+26°+31°

💧 0.7 mm · 🌬 8 m/s · UV 0

Tuesday

August 25

+23°+26°

💧 0.4 mm · 🌬 6 m/s

Wednesday

August 26

+20°+28°

💧 0.5 mm · 🌬 2 m/s

Thursday

August 27

+19°+22°

💧 2.9 mm · 🌬 3 m/s

Friday

August 28

+17°+23°

💧 0.7 mm · 🌬 4 m/s

Saturday

August 29

+17°+22°

🌬 3 m/s

Sunday

August 30

+16°+25°

🌬 3 m/s

Weekend weather in San Sebastian

Saturday, August 22 · +25° / +16° · Mostly clear

Sunday, August 23 · +30° / +20° · Mostly clear

Weather for the weather-sensitive

763

Pressure, mmHg · 3 above norm

7.2 m/s

Wind, W

89%

Humidity

+17°

Feels like

Kp 2

Magnetic storms · quiet

Magnetic storms — details →

📒 Weather diary in San Sebastian

Ready-made observation table for August: past days are already filled in with weather-station data — for school and beyond. Open the diary →

What to do in San Sebastian in weather like this 🎯

🏛️Museum

🎬Cinema

☕A café

🛍️Shopping mall

🎳Bowling

🏊Indoor pool

🎭Theatre

Water temperature in Celtic Sea

+25°

Sea · great for swimming

More on water in San Sebastian →

Diver bunny

🌿 Air quality & pollen

0 AQI · good

Pollen: grass

Air quality →Pollen → 📒 Weather diary →

Air-quality bunny

Fishing in San Sebastian: bite today — 5/10 🎣

Moderate: better in dry spells between showers. Most active is mullet (6/10).

🧭 763 mmHg🌖 day 9🌊 water +25°

Bite forecast →

The Moon today 🌙

Waxing moon

Illumination · 60%

16:01

Moonrise

Lunar calendar →

Weather archive →

San Sebastian, Strana Baskov, Spain. Population 185 357.

Precipitation map 🌧️

Open the full map & radar →

Cities near San Sebastian 📍

FAQ about weather in San Sebastian ❓

What's the weather in San Sebastian right now?

Now +19°, showers, wind 7.2 m/s, W, humidity 89%. Feels like +17°.

What's the weather in San Sebastian tomorrow?

Tomorrow: +25° by day, +16° at night, mostly clear.

Sunrise and sunset in San Sebastian?

Sunrise 06:19, sunset 20:04, day length 13h 45m.

What's the pressure and humidity in San Sebastian?

Pressure 763 mmHg, humidity 89%, wind 9 m/s. Matters for weather-sensitive people.

Will it rain in San Sebastian today?

Yes, rain is expected, precipitation chance —%. Take an umbrella or a raincoat.

Do I need sunscreen in San Sebastian?

Yes, the UV index is 7 — high. Use SPF 30+, especially for children; no more than 20-30 minutes in direct sun unprotected.

Do I need rubber boots in San Sebastian?

In rain and puddles, rubber boots or waterproof shoes will come in handy.

How long is it safe to stay in the sun in San Sebastian?

At UV 7, no more than 20–30 minutes unprotected; longer with SPF 30+ and shade.

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Weather in San Sebastian — in detail

Weather in San Sebastian from “Pogoda 1” — an accurate, free forecast: current temperature, feels-like, wind, atmospheric pressure, humidity and precipitation. Available for today, tomorrow, 3, 5 and 10 days, a week, 2 weeks and a month, plus hourly weather, monthly climate, water temperature, air quality and an observation archive since 2017.

To quickly check the weather in San Sebastian anytime, add the city to favorites — and get a daily forecast by email at 17:00 (Moscow time). Note: the forecast may be refined as new data arrives. Data: OpenWeather, Open-Meteo, met.no.

Photo San Sebastian: Keta / CC BY-SA 2.5 · Wikimedia Commons

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Weather alerts for San Sebastian?

Tomorrow's forecast, storm warnings, frost and heat — every day at 17:00 city time.

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