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 9:53 AM. The temperature feels like 73.80000000000001 with a humidity level of 73 so dress accordingly. Cloud coverage is 8 percent with visibility at 12.4 percent. Today’s UV index is 10, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 5 MPH. At the end of the day don’t miss the sunset at 1:13 AM.