Saint Stephen, SC Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Stephen, SC in one place.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. East wind around 2 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Saint Stephen, 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 8:30 PM EDT.
The active forecast window currently covers Aug 25 to Aug 30, 2026 for Saint Stephen, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 25 to Aug 30, 2026
- Latest sync
- Aug 23, 2026 8:30 PM EDT
- Forecast office
- CHS
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Stephen
Tuesday looks like the warmest upcoming period in Saint Stephen at 91 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Wednesday at about 0 to 3 mph SE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 8:30 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- CHS
- 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. Partly cloudy, with a low around 70. East wind around 1 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 8pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms before 2pm, then showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 72. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms before 8am, then showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 25
|
Mostly Sunny then Chance Showers And Thunderstorms
|
91°F |
2 mph
E
|
|
Tuesday Night
Aug 25
|
Chance Showers And Thunderstorms
|
70°F |
1 mph
E
|
|
Wednesday
Aug 26
|
Chance Showers And Thunderstorms
|
91°F |
0 to 3 mph
SE
|
|
Wednesday Night
Aug 26
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
72°F |
0 to 3 mph
E
|
|
Thursday
Aug 27
|
Slight Chance Showers And Thunderstorms
|
91°F |
0 to 3 mph
SW
|
|
Thursday Night
Aug 27
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
72°F |
2 mph
W
|
|
Friday
Aug 28
|
Slight Chance Showers And Thunderstorms
|
91°F |
0 to 3 mph
W
|
|
Friday Night
Aug 28
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
71°F |
1 mph
W
|
|
Saturday
Aug 29
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
90°F |
1 mph
SW
|
|
Saturday Night
Aug 29
|
Showers And Thunderstorms Likely
|
72°F |
0 mph
|
|
Sunday
Aug 30
|
Chance Showers And Thunderstorms
|
91°F |
1 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Stephen.