Fri Feb 21 09:24:10 PM EST 2025 Dorchester- Including the cities of Saint George and Summerville 923 PM EST Fri Feb 21 2025 .TONIGHT...Mostly clear. Lows in the mid 20s. Light and variable winds. .SATURDAY...Sunny. Highs in the upper 50s. Northeast winds around 5 mph, becoming southeast around 5 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 30s. Southeast winds around 5 mph in the evening, becoming light and variable. .SUNDAY...Sunny. Highs in the lower 60s. Northwest winds around 5 mph. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 30s. Light and variable winds. .MONDAY...Mostly sunny. Highs in the mid 60s. .MONDAY NIGHT...Mostly clear. Lows in the upper 30s. .TUESDAY...Sunny. Highs in the lower 70s. .TUESDAY NIGHT...Clear. Lows in the mid 40s. .WEDNESDAY...Sunny. Highs in the lower 70s. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. .THURSDAY...Mostly sunny with a 40 percent chance of showers. Highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy with a 40 percent chance of showers. Lows in the lower 40s. .FRIDAY...Sunny. Highs in the lower 60s.