It will be hot and humid in Ottawa on Friday and temperatures will be well above the seasonal average.

Environment Canada’s weather forecast calls for a mix of sun and cloud and a high of 28 C. The humidex will make it feel more like 33 degrees. Today’s UV index will be 8, or very high.

There will be a chance of showers overnight with a risk of a thunderstorm. Temperatures will fall to 20 C.

The warm weather will continue tomorrow and the forecast calls for showers in the morning and evening. Temperatures will climb to 27 C on Saturday, but it will feel more like 32 degrees with the humidex.

There will be a 30 per cent chance of showers tomorrow morning, but it will be sunny in the afternoon. Expect a 70 per cent chance of rain in the evening. Temperatures will drop to 14 C overnight.

The seasonal weather will return on Sunday – expect rain throughout the day and a high of 19 C.

The forecast for the holiday Monday calls for a mix of sun and cloud and a high of 19 C.