A change is on the way, with rain, stronger winds and possible thunderstorms forecast from Friday as Atlantic low-pressure systems approach the country.

After several days of relatively stable weather, November is beginning to show its more unsettled side. The change is expected to affect northern and central Portugal first, before spreading to other parts of the country over the following days.

IPMA are predicting mainly clear conditions for Thursday with some high clouds developing over central and southern areas in the afternoon. Temperatures will be a little lower and the night will be quite cold in some of the more inland areas.

Friday, 6 November, will bring a noticeable change. According to the IPMA, rain is expected along the northern and central coast, gradually spreading inland and towards the Alentejo. Thunderstorms are also possible in coastal areas of northern and central Portugal during the afternoon.

Winds will become stronger, particularly in higher areas of the North and Centre, where speeds could reach 40 km/h. Despite the wetter conditions, temperatures may rise slightly in southern Portugal.

Storm Bruna could bring further unsettled weather

Meteorologists are also monitoring a developing Atlantic weather system that could bring a longer period of rain and strong winds to Portugal.

The system has been discussed under the name Bruna, although early forecasts have highlighted uncertainty over its development, intensity and exact trajectory.

Weather forecasting service Luso Meteo has warned that the approaching depression could interact with a large amount of moisture travelling across the Atlantic, creating conditions for several days of rain, thunderstorms and locally strong winds.

The most unsettled conditions could arrive early next week, particularly around Monday, 9 November, although the areas most affected will depend on how the weather system develops.

What about the Algarve?

The Algarve is expected to hold on to the better weather for a little longer.

On 5 November, weather should remain largely sunny, with temperatures in Faro approaching 20°C during the afternoon. 6 November may also begin with some brighter spells in the South, while rain is expected to arrive earlier in northern and central Portugal.

However, the Algarve may not escape the unsettled weather altogether. Forecasts from Tempo.pt suggest that the South could experience more rain and stronger winds as the Atlantic weather system develops over the weekend and into next week.

The latest forecasts suggest that northern and central Portugal will experience the greatest rainfall during the first part of the weekend, while the situation further south remains less certain.

For anyone planning outdoor activities, 5 November looks like a good opportunity to make the most of the sunshine before the weather changes.

The IPMA continues to update its forecasts as the Atlantic systems approach, and residents are advised to check the latest weather information and any warnings issued for their area.

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