Summerville, SC Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Summerville, SC in one place.
Mostly clear, with a low around 77. Southwest wind around 6 mph.
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: Jul 11, 2026 5:30 AM EDT.
The active forecast window currently covers Jul 11 to Jul 17, 2026 for Summerville, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 11 to Jul 17, 2026
- Latest sync
- Jul 11, 2026 5:30 AM EDT
- Forecast office
- CHS
- Source
- NOAA / NWS
Daily Outlook
This Week in Summerville
Saturday looks like the warmest upcoming period in Summerville at 97 degrees F.
Monday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Saturday at about 6 to 12 mph W.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 11, 2026 5:30 AM 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 after 2pm. Mostly sunny, with a high near 97. Heat index values as high as 107. West wind 6 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. Heat index values as high as 102. Southwest wind 3 to 9 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 97. Heat index values as high as 105. West wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms likely before 8pm, then showers and thunderstorms. Mostly cloudy, with a low around 73. Southwest wind 1 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
A chance of rain showers before 11am, then showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Showers and thunderstorms before 8pm, then showers and thunderstorms likely between 8pm and 2am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 80%.
Showers and thunderstorms likely. Partly sunny, with a high near 91. Chance of precipitation is 70%.
Showers and thunderstorms likely before 2am. Partly cloudy, with a low around 73. Chance of precipitation is 70%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 95. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 11
|
Mostly Clear
|
77°F |
6 mph
SW
|
|
Saturday
Jul 11
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
97°F |
6 to 12 mph
W
|
|
Saturday Night
Jul 11
|
Chance Showers And Thunderstorms
|
76°F |
3 to 9 mph
SW
|
|
Sunday
Jul 12
|
Mostly Sunny then Showers And Thunderstorms Likely
|
97°F |
7 mph
W
|
|
Sunday Night
Jul 12
|
Showers And Thunderstorms Likely then Showers And Thunderstorms
|
73°F |
1 to 5 mph
SW
|
|
Monday
Jul 13
|
Showers And Thunderstorms
|
91°F |
1 to 5 mph
W
|
|
Monday Night
Jul 13
|
Showers And Thunderstorms then Showers And Thunderstorms Likely
|
72°F |
0 to 5 mph
SE
|
|
Tuesday
Jul 14
|
Showers And Thunderstorms Likely
|
91°F |
1 to 5 mph
NE
|
|
Tuesday Night
Jul 14
|
Showers And Thunderstorms Likely
|
73°F |
0 to 3 mph
E
|
|
Wednesday
Jul 15
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
92°F |
0 to 5 mph
W
|
|
Wednesday Night
Jul 15
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
75°F |
1 to 5 mph
SW
|
|
Thursday
Jul 16
|
Sunny then Slight Chance Showers And Thunderstorms
|
95°F |
1 to 5 mph
SW
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
76°F |
5 mph
SW
|
|
Friday
Jul 17
|
Sunny then Chance Showers And Thunderstorms
|
96°F |
2 to 6 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Summerville.
