Always a good idea to view a variety of these computer generated forecasts - see also

http://www.wunderground.com/cgi-bin/findweather/getForecast?query=l%27ampolla&wuSelect=WEATHER

and

http://www.aemet.es/en/eltiempo/prediccion/localidades/ampolla-l-43067

obviously changing your locality but they don't vary much.  They all seem to underestimate strong winds however, no doubt due to the influence of the mountains of Els Ports

Alternatively keep an eye on

http://www.metoffice.gov.uk/weather/europe/surface_pressure.html

and make your own forecast.