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 19 km/h. Mixed precipitation is expected Today. Intermittent light showers are likely, with about 2.44 mm expected. In addition, Light snow showers are on the horizon, accumulating around 1.72 mm or less. Sleet or freezing rain is also a possibility. Expect a humid atmosphere, with levels hovering around 81%.