Heat Wave in Portugal Arrives Today: Expect Tropical nights

The U.K is not the only country suffering from a heat wave, Europe is getting an early Summer.

Portugal is no exception. Temperatures can reach 36 ºC (96.8 Fahrenheit) or even higher. 🥵

Learn which districts have a yellow alert for hot weather and recommendations to protect yourself from the heat wave in Portugal.

Young woman tourist enjoying beautiful cityscape top view on the old town during the sunny day in Lisbon city, Portugal (Source: Magnific.com)

Districts with Yellow Alert for Hot Weather

All districts except Faro and Islands of Madeira and Azores.

Thunder may occur on the 27th, in the North of Portugal (interior regions), accompanied by rain, hail and gusts of wind.

All interior districts (Viseu, Bragança, Vila Real, Guarda, Castelo Branco, Portalegre, Évora, and Beja).

For more information, see IPMA.

Wear light-weight, white/light colors, and cotton/linen clothes
Avoid outdoor sports
Drink water (see the quantity recommended according to health authorities)
Avoid alcoholic drinks
Avoid direct sun exposure between 11 AM and 5 PM
Use sunscreen at least SPF30 (SPF50 better) and reapply every two hours or after being in water
Wear a hat and sunglasses outside
Contact elderly and vulnerable people regularly (they are the most affected by these heat waves)
Take extra care of the most vulnerable groups: children, elderly, pregnant women, people with chronic illnesses, and workers exposed to heat.

Bathing season has not yet started for many beaches. See which beaches have lifeguards.
Avoid sunbathing during the critical hours.

Porto at night, Ribeira area(Source: David Bruyndonckx on Unsplash.com)

Close windows and blinds during the day, especially during peak heat hours, to keep the indoor air cool.
Leave windows open during the night, to cool down the rooms.
Stay hydrated throughout the evening
Switch to lightweight cotton or linen sheets and breathable sleepwear.

Written by Hop In Portugal Team
May 26, 2026

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Weather Alert Portugal