Local Forecast

Sumter, SC Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Sumter, SC

No Active Alerts

Hour-by-Hour  Current Observation

Tuesday 1:30 AM EDTTuesday 1:30 AM

°F °C
Regional Observations →
75°F

Clear

  • 93° / 71° High / Low
  • 75° Feels Like
  • 0% Chance of Rain

Wind

0 mph

N

UV Index

0

None

Humidity

100%

Dew 75°F

Sun

7:10 AM · 7:15 PM

Rise · Set

Source: SUMTER (KSMS). Slider scrubs the next 12 hours.

5-Day Outlook

Through Saturday

Local Radar →

Tuesday

93° 71°

Chance of Thunderstorms

Overnight: Chance of Thunderstorms

Detailed forecast

Tuesday

Patchy fog before 8am, then a slight chance of rain showers between 1pm and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 91. Heat index values as high as 100. Northeast wind 0 to 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Night

A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 4am. Mostly cloudy, with a low around 70. East wind 2 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday

82° 64°

Chance of Thunderstorms

Overnight: Isolated T-storm

Detailed forecast

Wednesday

A slight chance of rain showers after 4pm. Mostly cloudy, with a high near 80. Northeast wind 7 to 13 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Night

A chance of rain showers. Mostly cloudy, with a low around 63. Northeast wind 9 to 13 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Thursday

75° 59°

Chance of Thunderstorms

Overnight: Mostly Cloudy

Detailed forecast

Thursday

A chance of rain showers. Mostly cloudy, with a high near 75. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Night

A slight chance of rain showers before 8pm. Mostly cloudy, with a low around 58.

Friday

78° 57°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Friday

Sunny, with a high near 78.

Night

Mostly clear, with a low around 56.

Saturday

80° 55°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Saturday

Sunny, with a high near 80.

Night

Mostly clear, with a low around 55.

Sumter, SC Weather Analysis Tools