Ottawa is set for a rainy Thanksgiving Day, though temperatures will remain in the mid-to-high teens. According to Environment Canada’s weather forecast, periods of rain are expected throughout Monday. The temperatures will be mild, reaching a high of 17 C. The overnight low will be 6 C. On Tuesday, expect more rain and a cooler day, with temperatures only reaching a high of 8 C. Wednesday will be cloudy with a temperature high of 12 C. Thursday will feature a mix of sun and clouds and a high of 10 C.