Dorchester- Including the cities of Saint George and Summerville 247 PM EDT Thu Mar 28 2024 .TONIGHT...Mostly clear. Cooler with lows around 40. North winds 10 to 15 mph. .FRIDAY...Sunny. Highs around 70. Northwest winds 5 to 10 mph. .FRIDAY NIGHT...Clear. Lows in the upper 40s. Southwest winds around 5 mph. .SATURDAY...Sunny. Highs in the mid 70s. Southwest winds 10 to 15 mph. .SATURDAY NIGHT...Clear. Lows in the mid 50s. Southwest winds 5 to 10 mph. .SUNDAY...Sunny. Highs in the lower 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. .MONDAY...Partly sunny. Highs in the mid 80s. .MONDAY NIGHT...Mostly cloudy. Lows in the mid 60s. .TUESDAY...Partly sunny. Highs in the mid 80s. .TUESDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 60s. Chance of rain 50 percent. .WEDNESDAY...Partly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Chance of rain 50 percent. .WEDNESDAY NIGHT...Mostly clear. Cooler with lows in the mid 40s. .THURSDAY...Sunny. Highs around 70. $$