Windsor-Essex residents can expect a stretch of unseasonably warm weather this week, with temperatures forecast to climb into the low 20s by midweek. Environment Canada is forecasting sunny skies Monday, becoming a mix of sun and cloud through the day. The high is expected to reach 18 C. Monday night will be partly cloudy before becoming cloudy after midnight, with a low of 6 C. A mix of sun and cloud is forecast Tuesday with a high of 15 C, followed by cloudy periods and an overnight low of 11 C. The warmest weather of the week is expected Wednesday and Thursday. Wednesday’s forecast calls for cloudy skies and a high of 21 C, with clearing overnight and a low of 12 C. Thursday is expected to bring a mix of sun and cloud with a 30 per cent chance of showers and a high of 23 C. There is also a 30 per cent chance of showers Thursday night, with temperatures dipping to 11 C. A mix of sun and cloud returns Friday with a high of 20 C. Cloudy periods are expected overnight with a low of 11 C. Halloween on Saturday is forecast to be cloudy, with a daytime high of 18 C.