Tonight and tonight it is first light, and later variable cloudy with very soft minima around 18 degrees.
Tomorrow it will be even warmer with possibly a local 30 person. There is a small chance of a local rain or thunderstorm towards the evening.
On Sunday it is a bit less warm, about 25 degrees, with a greater chance of a few rain or thunderstorms.
Also Monday will also be a day with periods with rain or showers and maxima up to 23 degrees.
Maybe here you should see again which weather amateur weather Geri Haerynck from Koekelare predicted for this week. He did that at the beginning of January.