Sumter- Including the city of Sumter 308 PM EDT Fri Apr 19 2024 .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms this evening. Lows in the mid 60s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY...Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. North winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 50 percent. .SUNDAY...Showers. Much cooler. Near steady temperature in the upper 50s. Northeast winds 10 to 15 mph. Chance of rain 90 percent. .SUNDAY NIGHT...Mostly cloudy. Showers, mainly in the evening. Lows in the upper 40s. North winds 5 to 10 mph. Chance of rain 90 percent. .MONDAY...Partly sunny. Highs in the mid 60s. .MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .TUESDAY...Sunny. Highs in the mid 70s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Sunny. Highs in the lower 80s. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. .THURSDAY...Sunny. Highs in the mid 70s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. .FRIDAY...Mostly sunny. Highs in the mid 70s. $$