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Great Falls, SC 29055 Weather

It is 54°F and clear in Great Falls, SC 29055, observed at 8:55 AM EDT. Today: Sunny, high 81°F, low 54°F. Hourly and 7-day forecast from the National Weather Service. Times are local (EDT).

Great Falls, SC 29055 current weather

54°F

Clear

H 81° / L 54°Feels like 54°

Observed at Lancaster County-mc Whirter Field (10.5 mi away), 10/30/2026, 8:55 AM EDT

7-day forecast

Tap a day for details

  • Today10/30Low 54°High 81°

    Today: Sunny, with a high near 81. North northeast wind 1 to 5 mph.

    Tonight: Partly cloudy, with a low around 54. North northeast wind 1 to 7 mph.

    Sunny
  • Sat10/31Low 50°High 70°

    Saturday: Partly sunny, with a high near 70. Northeast wind around 9 mph.

    Saturday Night: Mostly cloudy, with a low around 50. Northeast wind around 6 mph.

    Partly Sunny
  • Sun11/1Low 50°High 69°

    Sunday: Mostly cloudy, with a high near 69. East northeast wind around 7 mph.

    Sunday Night: Mostly cloudy, with a low around 50.

    Mostly Cloudy
  • Mon11/2Low 50°High 72°

    Monday: Mostly sunny, with a high near 72.

    Monday Night: Partly cloudy, with a low around 50.

    Mostly Sunny
  • Tue11/315% chance of precipitationLow 55°High 76°

    Tuesday: Mostly sunny, with a high near 76.

    Tuesday Night: A slight chance of rain showers after 1am. Partly cloudy, with a low around 55.

    Mostly Sunny
  • Wed11/443% chance of precipitationLow 57°High 76°

    Wednesday: A chance of rain showers. Partly sunny, with a high near 76. Chance of precipitation is 40%.

    Wednesday Night: A chance of rain showers before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.

    Chance Rain Showers
  • Thu11/538% chance of precipitationLow 52°High 76°

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 76. Chance of precipitation is 40%.

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 52.

    Chance Showers And Thunderstorms

Forecast for 34.578, -80.909 from the NWS GSP office, updated 10/30/2026, 3:18 AM PT · Official forecast on weather.gov

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

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Great Falls, SC 29055 right now?
The latest observation from Lancaster County-mc Whirter Field was 54°F and clear, reported at 10/30/2026, 8:55 AM EDT.
What is the high temperature today in Great Falls, SC 29055?
The National Weather Service forecast for today calls for a high near 81°F. Sunny.
What time is sunrise and sunset in Great Falls, SC 29055 today?
Sunrise is about 7:42 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 Great Falls, SC 29055?
At Winnsboro, the 1991 to 2020 normal high in October is 74°F and the normal low is 50°F.

Nearby hazards

South Carolina hazards

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)
58ModeratePM2.5
AQI forecast tomorrow (Union County)
43GoodPM2.5

UV index guide · Air quality

Drought

By county

Chester County, week of 10/27/2026

64% of the county is abnormally dry. No drought.

Sun and moon

Local time, center of the area

Sunrise
7:42 AM
Sunset
6:32 PM
Daylight
10 hr 50 min
Moon
Waning Gibbous 79% lit
First light (civil dawn)
7:16 AM
Last light (civil dusk)
6:57 PM
Moonrise
10:22 PM
Moonset
12:43 PM

Normal October weather

Climate

Normal October high 74°, low 50°, precipitation 3.29 in for the month. 1991 to 2020 normals at Winnsboro, 17 mi away.

Other places nearby

Data sources

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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.

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