News Frost is possible overnight SHARE ON: Bob McIntyre, staff Friday, Aug. 23rd, 2019 Tomatoes and other garden plants could be hit by frost overnight. (flickr.com) For the first time this growing season, you might want to cover your garden tonight. Environment Canada says the temperature will dip to three degrees in Timmins, Cochrane and Iroquois Falls overnight, under only a partly cloudy sky. As it stands now, the forecast is for a high of 23 degrees tomorrow; the overnight low eight; and Sunday’s high 27. Read the official forecast by clicking here.