The warning for the districts of Porto, Viana do Castelo, Lisbon, Leiria, Aveiro, Coimbra and Braga will be in effect between 3:00pm and 9:00pm today.
Minimum temperatures today will range between 6 degrees Celsius (in Bragança) and 11 (in Faro, Coimbra, Aveiro and Porto) and maximum temperatures between 13 (in Viseu) and 21 (in Faro).