Today, Brussels will be chilly with temperatures possibly hitting a high of 4 °C, dropping to around 0 °C by night. Gentle breezes are expected across Brussels Today, with speeds reaching around 14 km/h. Mixed precipitation is expected Today. Rain is highly likely at 87%, but with light accumulations around 0.32 mm. In addition, A few snowflakes might be spotted at a 6% chance. Sleet or freezing rain is also a possibility.