Donostia / San Sebastián
Today
Today weather in Donostia / San Sebastián
Thursday, 18th September 2025
31°
Sunny
Official weather alert: Yellow High Temperature Warning. Donostia / San Sebastián will have a warm day Today with temperatures ascending to 30 °C and descending to around 13 °C after sunset. Gentle breezes are expected across Donostia / San Sebastián Today, with speeds reaching around 8 km/h.
31° / 13°
Temp
0%
Rain
8 km/h
Wind
68%
Humidity
Donostia / San Sebastián Weather Pages
Donostia / San Sebastián hourly forecast for today
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| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 07:51 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 20:12 | 21:00 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | |  | | | | | |  | | | | | | | | | | | | | |  | | | | Next |
| temperatures | 13.8° | 13.6° | 18.2° | 13.3° | 13.2° | 13° | 13° | 14.3° | Sunrise | 17.6° | 20.9° | 24.1° | 26.7° | 28.5° | 29.7° | 30.6° | 30.7° | 30.2° | 29° | 24.5° | 22.2° | 21.6° | Sunset | 20.4° | 18.9° | 18.5° | |
| feels like | 13.8° | 14.4° | 14° | 13.8° | 13.8° | 13.4° | 13.2° | 14.4° | 17.6° | 20.9° | 25.4° | 27.2° | 28.9° | 30.2° | 31.2° | 31.2° | 30.8° | 30° | 25.8° | 24.6° | 21.6° | 20.5° | 18.9° | 18.5° | |||
| wind speed | 3 km/h | 3 km/h | 4 km/h | 4 km/h | 4 km/h | 4 km/h | 5 km/h | 7 km/h | 6 km/h | 5 km/h | 5 km/h | 5 km/h | 6 km/h | 5 km/h | 5 km/h | 6 km/h | 7 km/h | 7 km/h | 5 km/h | 5 km/h | 6 km/h | 8 km/h | 8 km/h | 7 km/h | |||
| wind degree | 218° | 199° | 211° | 197° | 190° | 183° | 170° | 160° | 150° | 119° | 84° | 66° | 44° | 39° | 24° | 16° | 29° | 37° | 62° | 125° | 175° | 245° | 246° | 240° | |||
| wind direction | SW | SSW | SSW | SSW | S | S | S | SSE | SSE | ESE | E | ENE | NE | NE | NNE | NNE | NNE | NE | ENE | SE | S | WSW | WSW | WSW | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 91% | 91% | 94% | 91% | 91% | 91% | 90% | 88% | 81% | 68% | 55% | 48% | 45% | 43% | 42% | 42% | 43% | 49% | 62% | 63% | 60% | 61% | 69% | 69% | |||
| dew point | 12.4° | 12.2° | 12.1° | 12° | 11.8° | 11.6° | 11.4° | 12.4° | 14.3° | 14.7° | 14.5° | 14.9° | 15.5° | 15.9° | 16.1° | 16.2° | 16.2° | 17.3° | 16.8° | 14.9° | 13.4° | 12.8° | 13° | 12.7° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 0% | 0% | 75% | 1% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 1% | 0% | 0% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 1 | 2.4 | 4 | 5.4 | 6.1 | 5.7 | 4.5 | 2.8 | 1.4 | 0.4 | 0 | 0 | 0 | 0 |
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View of Donostia / San Sebastián today
Explore Donostia / San Sebastián live webcam feed to see how the weather is shaping up today in Donostia / San Sebastián. See what people are wearing, check out the sky, and get a sense of the atmosphere before you step outside.
Stay informed and make the most of your day with our live weather updates from Donostia / San Sebastián today.
Weather in Donostia / San Sebastián today
The weather in Donostia / San Sebastián today is expected to be much warmer than usual, with a forecast temperature of 31 °C, compared to an average of 22.5 °C for 18th of September in recent years.
temperatures
31 °C
rain
0 mm
wind
8 km/h
UV
Low
Donostia / San Sebastián daylight overview ☀️
Today in Donostia / San Sebastián, The sun rises at 07:51 and sets at 20:12, giving a total daylight duration of 12 hours and 21 minutes.
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What to wear today in Donostia / San Sebastián? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Donostia / San Sebastián forecast.
Short-sleeve shirt
Shorts
Lightweight pants
Breathable footwear
Sunglasses
Wide brimmed hat
Sunscreen
Flip flop
The weather today in Donostia / San Sebastián - FAQ
What is the maximum temperature for today in Donostia / San Sebastián?
The maximum temperature for today in Donostia / San Sebastián is expected to be 31° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Donostia / San Sebastián? 🌧️
No, there is no significant chance of rain in Donostia / San Sebastián today. It should be a dry day.
What will be the wind speed today in Donostia / San Sebastián? 🌀
The wind in Donostia / San Sebastián is expected to blow at 8 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Donostia / San Sebastián today?
Given the forecast of 31 °C with a 0% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Donostia / San Sebastián today.
What is the sunrise and sunset time for Donostia / San Sebastián today?
The sun is expected to rise at 07:51 and set at 20:12 in Donostia / San Sebastián.
How accurate is the weather forecast Donostia / San Sebastián today? ✅
Donostia / San Sebastián weather forecast for today is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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Where is Donostia / San Sebastián?Get accurate weather forecasts for Donostia / San Sebastián, located at latitude 43.313 and longitude -1.975. Stay updated with localized weather information tailored for Donostia / San Sebastián.
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