The rainiest month in Ottawa history will end with a hot, humid and sunny start to the long weekend. Environment Canada says 281.8 mm of rain has been recorded at the Ottawa Airport in July, setting the record for most rain in a month in Ottawa history. The previous record was 250.2 mm, set back in 1899. The 281 mm of rain this month includes the record 118 mm of rain on July 1 that caused flooding on roads and basements, and 85.7 mm of rain this week. The forecast calls for a mix of sun and cloud today. High 28 C with the humidex making it feel like 35. It will be clear this evening with increasing cloudiness after midnight. Low 18 C. Saturday will see mainly cloudy conditions with a 40 per cent chance of showers in the afternoon. There is a risk of a thunderstorm. High 27 C with the humidex making it feel like 35. Rain is expected on Sunday. High 24 C. The outlook for Monday calls for a mix of sun and cloud. High 26 C. Tuesday will be sunny. High 28 C. The normal temperatures for this time of year are a high of 26 C and a low of 16 C.