During the night, cloudiness will become abundant from the west of the country. The risk of a few showers will increase over the hours, especially over the west. The minima will oscillate between 11 and 16 degrees in a weak to moderate wind from west to southwest.
Friday, the weather will become more unstable. It will be variable with a partly to very cloudy sky accompanied by periods of rain or a few showers. The maximum will be between 18 degrees in the Hautes-Fagnes and 22 or 23 degrees elsewhere. The wind will be moderate from the west, drifting to the northwest during the day.
Saturday, cloudiness will increase rapidly and it will generally be very cloudy with light rain or drizzle at first. In the evening and the following night, the intensity of the rains will increase. The maximums will oscillate between 21 and 24 degrees. The wind will often be moderate from the southwest.
Sunday, at first, a few showers will still be possible with, on the east, possibly a little rain in the morning. In the course of the afternoon it will become generally dry from the west with clearings. The maxima will be close to 21 degrees in the center of the country.