If you planning to travel to W. J. McCallion Planetarium, Hamilton, Ontario, Canada, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 12:42 PM. The temperature feels like 3.45 with a humidity level of 54 so dress accordingly. Cloud coverage is 69 percent with visibility at 21.1 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling west-southwest at a speed of 6 MPH. At the end of the day don’t miss the sunset at 10:23 PM.