The stretch of below-seasonal temperatures will continue in Ottawa today, but temperatures will hit 20 C for the first long weekend of the summer. Environment Canada’s forecast calls for temperatures of 14 C today and 12 C on Wednesday, before temperatures hit 20 C on Friday. The normal temperatures for this time of year are a high of 19 C and a low of 8 C. It will be mainly sunny today. High 14 C. There will be increasing cloudiness tonight with a 40 per cent chance of overnight showers. Low 5 C. Ottawa will see rain on Wednesday. The forecast calls for 10 to 15 mm of rain. High 12 C. Thursday will be cloudy with a 40 per cent chance of showers. High 14 C. The outlook for Friday calls for a mix of sun and cloud with a 30 per cent chance of showers. High 20 C. Saturday will feature a mix of sun and cloud with a 30 per cent chance of showers. High 21 C. The normal temperatures for this time of year are a high of 19 C and a low of 8 C. Frost advisory A frost advisory was remains in effect for Ottawa this morning but was listed as the temperature warmed up. Hourly and 7-day forecast on our CTVNewsOttawa.ca weather hub