Great Falls, SC Weather Forecast
Local 7-day forecast
Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Great Falls, SC in one place.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 90. East wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Great Falls, SC is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 25, 2026 10:43 PM EDT.
The active forecast window currently covers Aug 26 to Sep 1, 2026 for Great Falls, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 26 to Sep 1, 2026
- Latest sync
- Aug 25, 2026 10:43 PM EDT
- Forecast office
- GSP
- Source
- NOAA / NWS
Daily Outlook
This Week in Great Falls
Tuesday looks like the warmest upcoming period in Great Falls at 93 degrees F.
Friday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Wednesday at about 0 to 5 mph E.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 25, 2026 10:43 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- GSP
- Radar station
- KCAE
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms between 7pm and 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind 0 to 3 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers and thunderstorms likely. Partly sunny, with a high near 88. South wind 0 to 3 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. South wind around 2 mph. Chance of precipitation is 60%.
A chance of rain showers before 11am, then showers and thunderstorms. Mostly cloudy, with a high near 85. Chance of precipitation is 80%.
Showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 80%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 87.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70.
Mostly sunny, with a high near 90.
Mostly clear, with a low around 71.
Sunny, with a high near 93.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Aug 26
|
Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
0 to 5 mph
E
|
|
Wednesday Night
Aug 26
|
Chance Showers And Thunderstorms
|
70°F |
0 to 3 mph
SE
|
|
Thursday
Aug 27
|
Chance Showers And Thunderstorms
|
88°F |
0 to 3 mph
S
|
|
Thursday Night
Aug 27
|
Showers And Thunderstorms Likely
|
70°F |
2 mph
S
|
|
Friday
Aug 28
|
Showers And Thunderstorms
|
85°F |
0 to 3 mph
SW
|
|
Friday Night
Aug 28
|
Showers And Thunderstorms
|
69°F |
1 mph
WNW
|
|
Saturday
Aug 29
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
83°F |
1 mph
ESE
|
|
Saturday Night
Aug 29
|
Chance Showers And Thunderstorms
|
70°F |
1 mph
ENE
|
|
Sunday
Aug 30
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
87°F |
2 mph
E
|
|
Sunday Night
Aug 30
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
70°F |
1 mph
ENE
|
|
Monday
Aug 31
|
Mostly Sunny
|
90°F |
1 mph
WSW
|
|
Monday Night
Aug 31
|
Mostly Clear
|
71°F |
1 mph
NNW
|
|
Tuesday
Sep 1
|
Sunny
|
93°F |
2 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Great Falls.