South Carolina · NWS GSP office

Simpsonville, SC weather

It is 54°F and clear at Greenville Downtown Airport as of Oct 28, 5:05 AM EDT. Overnight: Mostly Clear, low near 48°F. Forecast from the National Weather Service, issued Oct 28, 2:23 AM EDT.

Updated Oct 28, 5:26 AM EDT (snapshot)

Current conditions

Temperature

54°F

Clear

Wind

NNE 10 mph

Humidity 71% · dew point 45°F

Pressure · visibility

30.32 inHg

Visibility 10 mi

Observed at Greenville Downtown Airport (KGMU), Oct 28, 5:05 AM EDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Simpsonville forecast zone right now.

Around the NWS GSP forecast area

No active alerts in zones served by the GSP office near Simpsonville.

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. South Carolina has 7 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Simpsonville (local time)
TimeTempForecastPrecip. chanceWind
Wed 7 AM48°FMostly Sunny0%NNE 8 mph
Wed 8 AM48°FPartly Sunny0%NNE 8 mph
Wed 9 AM52°FMostly Sunny0%NNE 9 mph
Wed 10 AM58°FMostly Sunny0%NE 10 mph
Wed 11 AM63°FMostly Sunny0%NE 12 mph
Wed 12 PM66°FPartly Sunny0%NE 12 mph
Wed 1 PM69°FMostly Cloudy0%NE 12 mph
Wed 2 PM71°FPartly Sunny0%NE 10 mph
Wed 3 PM71°FPartly Sunny0%NE 10 mph
Wed 4 PM71°FPartly Sunny0%ENE 10 mph
Wed 5 PM72°FMostly Sunny0%ENE 9 mph
Wed 6 PM69°FPartly Cloudy0%ENE 8 mph
Wed 7 PM65°FPartly Cloudy0%NE 8 mph
Wed 8 PM62°FPartly Cloudy0%NE 7 mph
Wed 9 PM57°FMostly Cloudy0%NE 7 mph
Wed 10 PM56°FPartly Cloudy0%NE 7 mph
Wed 11 PM56°FMostly Cloudy0%NE 7 mph
Thu 12 AM55°FPartly Cloudy0%NNE 7 mph
Thu 1 AM55°FMostly Cloudy0%NNE 7 mph
Thu 2 AM55°FMostly Cloudy0%NNE 7 mph
Thu 3 AM54°FMostly Cloudy0%NNE 7 mph
Thu 4 AM54°FMostly Cloudy0%NNE 7 mph
Thu 5 AM54°FMostly Cloudy0%NNE 7 mph
Thu 6 AM54°FMostly Sunny0%NNE 7 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Simpsonville can differ.

7-day forecast

Overnight

Low 48°F

Mostly clear, with a low around 48. North northeast wind around 7 mph.

Wednesday

High 72°F·Low 53°F

Partly sunny, with a high near 72. Northeast wind 8 to 12 mph.

Wednesday Night: Mostly cloudy, with a low around 53. Northeast wind around 8 mph.

Thursday

High 75°F·Low 48°F

Mostly sunny, with a high near 75. Northeast wind 5 to 9 mph.

Thursday Night: Mostly clear, with a low around 48. North northeast wind around 2 mph.

Friday

High 78°F·Low 54°F

Sunny, with a high near 78.

Friday Night: Partly cloudy, with a low around 54.

Saturday

High 71°F·Low 52°F

Mostly cloudy, with a high near 71.

Saturday Night: A chance of rain showers after 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

Sunday

High 64°F·Low 53°F

Rain showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

Sunday Night: Rain showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.

Monday

High 70°F·Low 54°F

Rain showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

Monday Night: A slight chance of rain showers. Mostly cloudy, with a low around 54.

Tuesday

High 73°F

A chance of rain showers. Partly sunny, with a high near 73.

Nearby cities

Larger cities in the area

Other cities in Greenville County

See every city we cover in South Carolina, or check all active alerts.

About this forecast

Forecast office
Simpsonville is served by the National Weather Service GSP forecast office, forecast zone SCZ107, county zone SCC045.
Location used
The Census Bureau's internal point for Simpsonville (34.7285, -82.2564), in Greenville County. Population: 28,078 (2024 estimate), number 21 of the 27 South Carolina cities on this site.
Radar
Nearest NWS radar: KGSP. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/34.7285,-82.2564 (forecast issued Oct 28, 2:23 AM EDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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