The southeastern part will first of all be in variable cloudiness, sometimes with sunshine. In the afternoon, cloudiness will increase and the risk of rain will be greater. The maxima will vary between 16 degrees at the coast and in Hautes-Fagnes and from 18 to 20 degrees in the other regions. The wind will be moderate to sometimes strong southwesterly, decreasing to weak to moderate in the afternoon.
There will be lots of cloudy fields on Saturday night, with the risk of a local shower in the southeast. This night, the weather will usually become dry with sometimes thinning. At the end of the night, some showers may again occur from the French border. Minima of 11 degrees in Hautes-Fagnes at 15 or 16 degrees in most other regions. The wind will again become moderate and will move south.
24 degrees
On Sunday, the weather will be variable and very mild with maxima between 19 and 24 degrees. In the morning, some local showers will be possible, with large clearings between them. In the afternoon, cloudiness will increase from the coast and a rain and rain zone will reach the west of the country. The precipitation zone is unlikely to arrive on the center until evening. The south wind will be moderate to strong, gradually moving southwest and seaward to the west.
During the night from Sunday to Monday, the sky will be overcast with sometimes a little rain. The weather will become foggy in many places. The maxima will be between 11 and 15 degrees in a westerly to southwesterly wind, then becoming weak in various directions.
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https://www.sudinfo.be/id146107/article/2019-10-12/des-risques-daverse-en-hausse-mais-jusqua-24-degres-ce-dimanche-les-previsions