Brussels can expect a bitterly cold day Today, with temperatures not exceeding the freezing point. It’ll be quite breezy in Brussels Today with average wind speeds of 20 km/h. Mixed precipitation is expected Today. Rain is highly likely at 96%, but with light accumulations around 3.66 mm. In addition, Snowfall is highly probable at 70%, but light with around 2.61 mm expected. Sleet or freezing rain is also a possibility.