Fountain Inn, SC Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Fountain Inn, SC in one place.
Sunny, with a high near 89. Northeast wind 2 to 8 mph.
Local Weather Overview
This forecast page for Fountain Inn, 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 23, 2026 7:39 PM EDT.
The active forecast window currently covers Aug 25 to Aug 29, 2026 for Fountain Inn, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 25 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 7:39 PM EDT
- Forecast office
- GSP
- Source
- NOAA / NWS
Daily Outlook
This Week in Fountain Inn
Wednesday looks like the warmest upcoming period in Fountain Inn at 91 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Tuesday at about 2 to 8 mph NE.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 7:39 PM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- GSP
- Radar station
- KGSP
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 67.
A slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 91.
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
A chance of rain showers before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 25
|
Sunny
|
89°F |
2 to 8 mph
NE
|
|
Tuesday Night
Aug 25
|
Mostly Clear
|
67°F |
3 mph
NE
|
|
Wednesday
Aug 26
|
Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
5 mph
E
|
|
Wednesday Night
Aug 26
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
68°F |
0 to 5 mph
SSW
|
|
Thursday
Aug 27
|
Showers And Thunderstorms Likely
|
88°F |
0 to 7 mph
SW
|
|
Thursday Night
Aug 27
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
68°F |
2 to 6 mph
SW
|
|
Friday
Aug 28
|
Mostly Sunny then Chance Showers And Thunderstorms
|
87°F |
3 mph
WSW
|
|
Friday Night
Aug 28
|
Chance Showers And Thunderstorms
|
68°F |
3 mph
ENE
|
|
Saturday
Aug 29
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
3 mph
ENE
|
|
Saturday Night
Aug 29
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
69°F |
3 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fountain Inn.
