Lisbon: From tomorrow temperatures are to begin to fall to highs of 28 degrees with lows of 17 degrees with intermittent cloud cover. Over the weekend highs of 27 degrees are forecast with lows of 18 degrees and there will be no chance of rain.

The north: Highs of 29 degrees are expected tomorrow (Tuesday), rising slightly to maximums of 31 on Wednesday. By the weekend temperatures are to average daily highs of 29 degrees and lows of 14 degrees and there will also be a chance of rain.

The centre: Following highs of 39 degrees today, thermometers are to fall slightly down to averages of 35 degrees. Over the weekend cloud cover is to increase up to average daily highs of 35 degrees, with nightly lows of 18 degrees.

The south: Cloud cover is to increase tomorrow (Tuesday) but it will remain feeling hot with daily highs of 33 degrees and lows of 23 degrees. Wednesday and Thursday are to be clear with highs of 35 degrees and then over the weekend cloud cover is to increase again.