Local Forecast

Sumter, SC Weather Forecast & Alerts

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

No Active Alerts

Hour-by-Hour  Current Observation

Monday 2:35 AM EDTMonday 2:35 AM

°F °C
Regional Observations →
73°F

Mostly Cloudy

  • 91° / 73° High / Low
  • 73° Feels Like
  • 0% Chance of Rain

Wind

0 mph

N

UV Index

0

None

Humidity

89%

Dew 69°F

Sun

6:09 AM · 8:30 PM

Rise · Set

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

5-Day Outlook

Through Friday

Local Radar →

Today

91° 73°

Mostly Cloudy

Overnight: Overcast

Detailed forecast

Today

Partly sunny, with a high near 90. Southwest wind around 2 mph.

Night

Mostly cloudy, with a low around 72. Southeast wind 0 to 3 mph.

Tuesday

87° 71°

Chance of Thunderstorms

Overnight: Mostly Cloudy

Detailed forecast

Tuesday

A slight chance of rain showers between 8am and 11am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 87. Southeast wind around 3 mph. Chance of precipitation is 40%.

Night

A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 70. Southeast wind 0 to 3 mph. Chance of precipitation is 40%.

Wednesday

91° 71°

Isolated T-storm

Overnight: Partly Cloudy

Detailed forecast

Wednesday

A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 20%.

Night

A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70.

Thursday

93° 71°

Isolated T-storm

Overnight: Partly Sunny

Detailed forecast

Thursday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

Night

A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71.

Friday

95° 73°

Isolated T-storm

Overnight: Isolated T-storm

Detailed forecast

Friday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95.

Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

Sumter, SC Weather Analysis Tools