Lisbon: Intermittent cloud is expected over the weekend ion the capital with temperatures peaking at 28 degrees and dropping to nightly lows of 17 degrees. From Monday until Wednesday temperatures are to drop slightly to highs of 27 degrees before jumping sharply up to highs of 33 degrees by the end of the week.

The north: Heavy periods of cloud are forecast for the weekend with temperatures peaking at highs of 25 degrees and dropping to lows of 13 degrees. On Tuesday there will be a high chance of rain before thermometers go on the rise again on Thursday up to highs of 29 degrees.

The centre: Hazy cloud is predicted on Saturday with temperatures reaching highs of 30 degrees and dropping to lows of 19 degrees. On Sunday there will be intermittent cloud cover and highs of 31 degrees with lows of 15 degrees. Tuesday and Wednesday are to feel slightly cooler before temperatures rise again on Thursday up to 32 degrees.

The south: There will be a high chance of rain in the south on Saturday although it will remain warm with highs of 28 degrees and lows of 20 degrees. From Sunday clear skies are forecast with average daily highs of 30 degrees and nightly lows of 18 degrees until Wednesday when intermittent cloud cover is to return.