Ottawa could continue to add to its record-setting rainy summer this weekend, with the risk of rain on three of the next four days. A total of 510.1 millimetres of rain was recorded at the Ottawa Airport between June 1 and Aug. 13, breaking the previous record for the June, July and August period of 464 millimetres set in 1972. Environment Canada’s forecast calls for a mix of sun and cloud today with a 40 per cent chance of afternoon showers. There is a risk of a thunderstorm. High 24 C with the humidex making it feel like 26. It will be partly cloudy tonight with a 40 per cent chance of evening showers. Low 12 C. Saturday will see a mix of sun and cloud. High 25 C. Mainly cloudy conditions are expected on Sunday with a 40 per cent chance of showers. High 23 C. The outlook for Monday calls for a mix of sun and cloud with a 30 per cent chance of showers. High 25 C. Tuesday will see a mix of sun and cloud. High 27 C. The normal temperatures for this time of year are a high of 25 C and a low of 15 C.