A polar air mass will bring low temperatures to the territory over New Year's and into early 2026. Minimum temperatures will fall, but maximum temperatures will remain unchanged, according to IPMA.
New Year's Eve will see low temperatures
Sunday, 28 December 2025RSS
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Context & Explainers
IPMA is the Portuguese Institute of the Sea and Atmosphere (Instituto Português do Mar e da Atmosfera), the national agency for weather, marine forecasts and climate monitoring. Residents should watch its forecasts and warnings during storms, heatwaves or cold snaps because IPMA issues official advisories used by services, transport operators and local authorities.
