A weather forecast was published for September 10, 2026, covering the municipalities of Mafra, Sintra, Torres Vedras and Lisbon, as well as the localities of Ericeira and Santa Cruz. The forecast covers the period from Thursday, September 10, to Sunday, September 13, and includes information on sky conditions, maximum and minimum temperatures, and wind direction and intensity for each day.
In Mafra, partly cloudy skies are forecast for Thursday with temperatures between 16º and 25º, moderate north wind, evolving to clear skies from Friday to Sunday, with temperatures gradually rising to 19º/34º on Sunday. In Sintra, the pattern is similar, with partly cloudy skies on Thursday (16º/23º) and clear or partly cloudy skies on the following days, reaching 19º/31º on Sunday.
In Torres Vedras, the forecast indicates partly cloudy skies on Thursday with temperatures of 16º/28º and moderate northwest wind, clearing to clear skies from Friday to Sunday with a significant temperature rise, reaching 19º/38º on Sunday. In Lisbon, the sky will be partly cloudy on Thursday (17º/30º) and clear from Friday to Sunday, with temperatures rising to 21º/37º on Sunday.
The Portuguese Institute of the Sea and Atmosphere has not issued any weather warnings for the Lisbon district, indicating the absence of significant adverse weather conditions during this period.
