According to the Portuguese Institute of the Sea and Atmosphere (IPMA), the warning will be in force between 12:00 and 18:00 today.

The IPMA predicts that today minimum temperatures will fluctuate between 12 degrees Celsius (in Guarda) and 18 (Aveiro and Faro), and the maximum between 18 (in Guarda) and 26 (Évora, Beja, Setúbal and Santarém).