If you planning to travel to University of Western Ontario Research Park - Sarnia-Lambton, Sarnia, 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 12:37 PM. The temperature feels like 30 with a humidity level of 74 so dress accordingly. Cloud coverage is 73 percent with visibility at 12.6 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 6 MPH. At the end of the day don’t miss the sunset at 9:57 PM.