It’s going to be a chilly end to the week, according to Ontario's weather forecast. Environment Canada has issued a frost warning for eastern parts of the province and the Ottawa Valley, as temperatures are expected to drop to almost freezing. While it’s definitely not ideal conditions for mid-June, the cold isn’t expected to stick around!\nResidents of eastern Ontario may have to grab an extra sweater tonight, as temperatures in parts of the province are expected to plummet to almost freezing.\nOn Sunday, June 14, Environment Canada issued a frost advisory for the Ottawa Valley and beyond, warning that cold conditions and almost-freezing temperatures are on the horizon.\nThe advisory explains that patchy frost is "likely tonight into Monday morning as ground temperatures fall to near the freezing mark."\nThe notice urges any plant-lovers to take necessary precautions, as these conditions will be harmful to any frost-sensitive plants and trees.\nThe forecast low for the region is 2 C overnight, with temperatures reaching as low as -1 C into Sunday morning.\nWhile the City of Ottawa is not listed under the frost advisory, the notice does extend west into the Algonquin region.\nWhile Ottawa did not get as cold as expected last night, several areas were below 0°C including Algonquin Park at -1.6°C.#OttWeather pic.twitter.com/nklPdwBebH— Ottawa Weather Records🌷 (@YOW_Weather) June 14, 2020\nDespite the low temperatures that will start next week off, there’s plenty of sun and heat on the horizon.\nMost of the province can expect summer-like conditions throughout next week, with some places even expected to experience temperatures of 33 C next weekend.\nTomorrow's forecast low of 4°C would be the lowest temperature #Ottawa has recorded on Jun 14th since 1884. #OttWeather pic.twitter.com/nwBaLxj3PE— Ottawa Weather Records🌷 (@YOW_Weather) June 13, 2020\nThese cold spells follow a week-or-so of unusual weather patterns across the province, as some regions experienced snow this week, while others saw heat waves and 40 C conditions.\nViolent winds, hail and even tornadoes were spotted in some places this week, proving that the season’s end has been everything but consistent!\n@KMacTWN @weathernetwork Snow in Manitouwadge, ON June 11, 2020. Can this year end now?? pic.twitter.com/W6HRChqFqs— Tammie Hache (@TammieHache) June 11, 2020\nWith the official start of the summer now just one short week away, there’s good news in store for heat-lovers.\nThe official summer forecast from The Weather Network predicts a warm and sunny start to the new season, with spots of sweltering heat and wet weather.\nSounds like you’ll need to grab your umbrella, sunscreen AND your sweater, Ontario. Who knows what’s ahead?!\n*This article's cover image is for illustrative purposes only.