Weather Forecast for San Sebastian

Pais Vasco, Spain

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Current Weather - San Sebastian: 14°C

Pais Vasco, Spain

Clear

Feels like 12°C

Wind

7 km/h SSW

Humidity

68%

Pressure

1023 mb

UV Index

0

Visibility

10 km

Sunny

Sunny

Tuesday, September 22, 2026

High

23°C

Low

14°C

Rain Chance

8%

Hourly Forecast

Clear 14°C
22:00
Clear 14°C
23:00
Sep 23

Day Statistics

Maximum Wind

10 km/h

Humidity

69%

Precipitation

0 mm

UV Index

6

Visibility

9 km

Rain Chance

8%

Snow Chance

0%

Sun & Moon

Sunrise

07:55 AM

Sunset

08:05 PM

Moonrise

06:25 PM

Moonset

03:29 AM

Moon Phase

Waxing Gibbous

Moon Illumination

89%

Air Quality

PM2.5

6.2

μg/m³

PM10

9.2

μg/m³

NO₂

8

μg/m³

O₃

64.9

μg/m³

SO₂

0.6

μg/m³

CO

169.2

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Weather Alerts

Moderate high-temperature warning. Gipuzkoa interior

Gipuzkoa interior Sep 22, 11:26 AM - Sep 24, 06:59 PM
Severity: Moderate Urgency: Future

Maximum temperature: 34 ºC.

Be aware, keep up to date with the latest weather forecast. Moderate damages to people and properties may occur, especially to those vulnerable or in exposed areas.

Event: Moderate high-temperature warning Certainty: Likely Category: Met