Lisbon: Saturday will see temperatures reach 28 degrees, with partly cloudy skies over the capital. On Sunday, temperatures rise to 31 degrees, before dropping to 20 degrees overnight. By Monday, temperatures are expected to climb to 33 degrees, with lows of 20 degrees.

The South: Starting on Saturday, temperatures will reach 31 degrees under clear blue skies, before falling to 21 degrees overnight. On Sunday, temperatures ease slightly to 28 degrees, with lows of 19 degrees. By Monday, temperatures are expected to reach 29 degrees, before dropping to 20 degrees overnight.

The Centre: Across central Portugal, Saturday brings temperatures of 31 degrees, dropping to 18 degrees overnight. On Sunday, some cloud cover is expected as temperatures rise to 34 degrees. By Monday, conditions remain similar, with highs of 33 degrees and lows of 18 degrees.

The North: Temperatures on Saturday will reach 28 degrees before dropping to 17 degrees overnight. On Sunday, temperatures climb to 29 degrees, with a slightly warmer night at 20 degrees. By Monday, conditions remain unchanged, with highs of 29 degrees and lows of 20 degrees.

Azores: Saturday is expected to bring temperatures of 25 degrees under cloudy skies, before falling to 20 degrees overnight. On Sunday, temperatures increase slightly to 27 degrees, with a chance of rain. By Monday, rain is expected throughout the day, while temperatures reach 28 degrees.

Madeira: In Madeira, Saturday will see temperatures reach 29 degrees, with a chance of rain, before falling to 23 degrees overnight. On Sunday, temperatures will reach 28 degrees and drop to 22 degrees at night. By Monday, temperatures are expected to remain the same, with rain still likely.