Summerville, SC Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Summerville, SC in one place.
A slight chance of rain showers between 10am and 11am, then a slight chance of showers and thunderstorms between 11am and 1pm, then showers and thunderstorms likely between 1pm and 3pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Summerville, 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: May 26, 2026 9:30 PM EDT.
The active forecast window currently covers May 27 to Jun 2, 2026 for Summerville, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 27 to Jun 2, 2026
- Latest sync
- May 26, 2026 9:30 PM EDT
- Forecast office
- CHS
- Source
- NOAA / NWS
Daily Outlook
This Week in Summerville
Thursday looks like the warmest upcoming period in Summerville at 92 degrees F.
Monday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 8 mph SW.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- May 26, 2026 9:30 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- CHS
- Radar station
- KCLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms between 7pm and 11pm. Mostly cloudy, with a low around 70. Southwest wind 3 to 7 mph. Chance of precipitation is 20%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. West wind 3 to 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms. Mostly cloudy, with a low around 68. West wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 11am, then showers and thunderstorms likely. Mostly cloudy, with a high near 85. 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 chance of showers and thunderstorms between 8pm and 2am, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Showers and thunderstorms. Cloudy, with a high near 82. Chance of precipitation is 80%.
Showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 80%.
Rain showers likely before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. 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 61. Chance of precipitation is 50%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
May 27
|
Slight Chance Showers And Thunderstorms
|
89°F |
5 to 8 mph
SW
|
|
Wednesday Night
May 27
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
70°F |
3 to 7 mph
SW
|
|
Thursday
May 28
|
Mostly Sunny then Chance Showers And Thunderstorms
|
92°F |
3 to 8 mph
W
|
|
Thursday Night
May 28
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
68°F |
0 to 5 mph
W
|
|
Friday
May 29
|
Showers And Thunderstorms Likely
|
85°F |
2 to 8 mph
E
|
|
Friday Night
May 29
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
67°F |
1 to 7 mph
E
|
|
Saturday
May 30
|
Showers And Thunderstorms
|
82°F |
2 to 6 mph
NE
|
|
Saturday Night
May 30
|
Showers And Thunderstorms
|
65°F |
1 to 5 mph
NE
|
|
Sunday
May 31
|
Rain Showers Likely
|
82°F |
3 to 8 mph
E
|
|
Sunday Night
May 31
|
Showers And Thunderstorms Likely
|
63°F |
2 to 6 mph
E
|
|
Monday
Jun 1
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
82°F |
6 mph
W
|
|
Monday Night
Jun 1
|
Chance Showers And Thunderstorms
|
61°F |
5 mph
W
|
|
Tuesday
Jun 2
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
80°F |
3 to 8 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Summerville.
