A stretch of cool, unsettled weather is setting the tone for the start of May in Windsor-Essex, with clouds, scattered showers and brisk winds continuing through the end of the week before a gradual warmup early next week. Today will see mainly cloudy skies with a 40 per cent chance of showers, along with a shift to northwest winds reaching about 30 km/h by the morning, adding a chill to the air. The high is expected to reach 12 C, and despite the cloud cover, the UV index remains high at 6. Conditions ease somewhat this evening, with skies becoming partly cloudy and a 30 per cent chance of showers early on. Winds will diminish and become light overnight as temperatures dip to about 3 C. There is a risk of frost, particularly in outlying areas. The cool and unsettled pattern continues Friday, May 1, with mainly cloudy skies and a 60 per cent chance of showers. Temperatures will be slightly cooler, with a high of 9 C. Skies will clear overnight, bringing temperatures down to around 0 C. The weekend brings some improvement, beginning with sunny skies Saturday and a high of 10 C. Clear conditions continue Saturday night, with temperatures once again falling to the freezing mark. Sunday offers a mix of sun and cloud, along with a 40 per cent chance of showers and a slightly warmer high of 13 C. Clouds increase again overnight with a 30 per cent chance of showers and a low of 7 C.