Skip to content

Checked

Sumter, SC 29152 Weather

Today: Mostly Sunny, high 80°F, low 54°F. Hourly and 10-day forecast from the National Weather Service. Times are local (EDT).

Sumter, SC 29152 current weather

60°F

Mostly Sunny

Forecast for this hour. No recent report from a nearby station.

H 80° / L 54°

No recent station report. NWS hourly forecast updated 10/28/2026, 11:21 PM PT

Hourly forecast

NWS, updated 10/28/2026, 11:21 PM PT

  1. Now60°
  2. 7 AM60°
  3. 8 AM60°
  4. 9 AM62°
  5. 10 AM65°
  6. 11 AM69°
  7. 12 PM72°
  8. 1 PM76°
  9. 2 PM78°
  10. 3 PM78°
  11. 4 PM79°
  12. 5 PM78°
  13. 6 PM77°
  14. 7 PM73°
  15. 8 PM67°
  16. 9 PM64°
  17. 10 PM62°
  18. 11 PM61°
  19. 12 AM60°Fri
  20. 1 AM59°
  21. 2 AM58°
  22. 3 AM57°
  23. 4 AM57°
  24. 5 AM56°
  25. 6 AM55°
  26. 7 AM55°
  27. 8 AM54°
  28. 9 AM58°
  29. 10 AM65°
  30. 11 AM71°
  31. 12 PM74°
  32. 1 PM78°
  33. 2 PM80°
  34. 3 PM80°
  35. 4 PM82°
  36. 5 PM80°
  37. 6 PM78°
  38. 7 PM73°
  39. 8 PM67°
  40. 9 PM64°
  41. 10 PM62°
  42. 11 PM61°
  43. 12 AM60°Sat
  44. 1 AM59°
  45. 2 AM59°
  46. 3 AM58°
  47. 4 AM58°
  48. 5 AM57°

10-day forecast

Tap a day for details

  • Today10/29Low 54°High 80°

    Today: Mostly sunny, with a high near 80. Northeast wind around 10 mph.

    Tonight: Mostly clear, with a low around 54. North wind 3 to 7 mph.

    Mostly Sunny
  • Fri10/30Low 56°High 82°

    Friday: Sunny, with a high near 82. North wind 5 to 8 mph.

    Friday Night: Partly cloudy, with a low around 56. Northeast wind 0 to 7 mph.

    Sunny
  • Sat10/31Low 54°High 75°

    Saturday: Mostly cloudy, with a high near 75. Northeast wind 8 to 13 mph.

    Saturday Night: Mostly cloudy, with a low around 54.

    Mostly Cloudy
  • Sun11/129% chance of precipitationLow 56°High 74°

    Sunday: Mostly cloudy, with a high near 74.

    Sunday Night: A chance of rain showers after 7pm. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Mostly Cloudy
  • Mon11/225% chance of precipitationLow 55°High 75°

    Monday: A chance of rain showers before 1pm. Partly sunny, with a high near 75. Chance of precipitation is 30%.

    Monday Night: Mostly cloudy, with a low around 55.

    Chance Rain Showers
  • Tue11/3Low 57°High 79°

    Tuesday: Partly sunny, with a high near 79.

    Tuesday Night: Mostly cloudy, with a low around 57.

    Partly Sunny
  • Wed11/433% chance of precipitationLow 58°High 79°

    Wednesday: A chance of rain showers after 1pm. Mostly sunny, with a high near 79. Chance of precipitation is 30%.

    Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 58.

    Mostly Sunny then Chance Rain Showers
  • Thu11/5Model blend41% chance of precipitationLow 55°High 78°

    Thursday: Chance of rain. High near 78°. Low that night near 55°. About 0.32 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Fri11/6Model blend31% chance of precipitationLow 49°High 74°

    Friday: Chance of rain. High near 74°. Low that night near 49°. About 0.13 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blend13% chance of precipitationLow 44°High 71°

    Saturday: Mostly sunny. High near 71°. Low that night near 44°. About 0.01 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 33.975, -80.467 from the NWS CAE office, updated 10/28/2026, 11:21 PM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KSMS (Sumter Muni, 6 mi), model run 10/29/2026, 4:00 AM EDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now60°Mostly Sunny0%9 mph
  2. 7 AM60°Mostly Sunny1%9 mph
  3. 8 AM60°Mostly Sunny0%9 mph
  4. 9 AM62°Mostly Sunny0%9 mph
  5. 10 AM65°Mostly Sunny0%9 mph
  6. 11 AM69°Mostly Sunny0%10 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gusts
Show

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the high temperature today in Sumter, SC 29152?
The National Weather Service forecast for today calls for a high near 80°F. Mostly Sunny.
Will it rain in Sumter, SC 29152 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Sumter, SC 29152?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 5 to Nov 7) come from the NOAA National Blend of Models, with highs of 71°F to 78°F and up to a 41% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in Sumter, SC 29152 today?
Sunrise is about 7:38 AM EDT and sunset is about 6:32 PM EDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Sumter, SC 29152?
At Wedgefield, the 1991 to 2020 normal high in October is 77°F and the normal low is 53°F.

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (Union County)
55ModeratePM2.5
AQI forecast tomorrow (Union County)
59ModeratePM2.5

UV index guide · Air quality

Drought

By county

Sumter County, week of 10/20/2026

100% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:38 AM
Sunset
6:32 PM
Daylight
10 hr 53 min
Moon
Waning Gibbous 88% lit
First light (civil dawn)
7:13 AM
Last light (civil dusk)
6:57 PM
Moonrise
9:12 PM
Moonset
11:37 AM

Normal October weather

Climate

Normal October high 77°, low 53°, precipitation 3.41 in for the month. 1991 to 2020 normals at Wedgefield, 6 mi away.

Other places nearby

Data sources

See something wrong? Request a correction

About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

Forecasts, observations and alerts come from the National Weather Service (api.weather.gov). Data can be delayed by minutes to hours, and an observation station may be miles from the place named on this page. This site is not affiliated with NOAA or the National Weather Service.

DatenUS is a private website and is not affiliated with or endorsed by any government agency. We republish public data from the sources listed on this page. Data can be incomplete, delayed or wrong. Always check the original source before you make a decision.

Our servers read this data automatically from government sources. Errors can come from the source itself or from the way we read, process or display it, and we do not guarantee that it is accurate, complete or current. Verify anything important with the official source.

Report an errorRead the full disclaimer