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 22 km/h. Mixed precipitation is expected Today. Rain is highly likely at 84%, but with light accumulations around 3.64 mm. In addition, Snowfall is highly probable at 69%, but light with around 2.63 mm expected. Sleet or freezing rain is also a possibility.