Today in Saint-Sébastien, instability will build during the day.
Fairly cloudless skies becoming changeable during the morning, sunny, progressively clouding over in the afternoon. No precipitation in the morning, light showers in the afternoon. Light winds.
We are 80% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.
Temperatures will vary between 18 and 31°C, it will be very warm in the afternoon and 7°C above normal.
Tonight, skies clearing but continuing risk of storms.
Possibility of showers Light winds.