Tega Cay, 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 Tega Cay, SC in one place.
A chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 94. Heat index values as high as 102. South southwest wind 2 to 9 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Tega Cay, 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 17, 2026 10:53 AM EDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Tega Cay, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 10:53 AM EDT
- Forecast office
- GSP
- Source
- NOAA / NWS
Daily Outlook
This Week in Tega Cay
Saturday looks like the warmest upcoming period in Tega Cay at 94 degrees F.
Thursday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Saturday at about 2 to 9 mph SSW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 10:53 AM EDT
- Coverage
- 6 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
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 1am, then a slight chance of showers and thunderstorms between 1am and 2am. Partly cloudy, with a low around 74. Southwest wind 2 to 9 mph. Chance of precipitation is 30%.
Showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 92. West southwest wind 2 to 6 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8pm, then showers and thunderstorms likely between 8pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Mostly sunny, with a high near 92.
Partly cloudy, with a low around 75.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 40%.
A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Mostly Sunny then Chance Showers And Thunderstorms
|
94°F |
2 to 9 mph
SSW
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
74°F |
2 to 9 mph
SW
|
|
Sunday
Jul 19
|
Mostly Sunny then Showers And Thunderstorms Likely
|
92°F |
2 to 6 mph
WSW
|
|
Sunday Night
Jul 19
|
Showers And Thunderstorms Likely
|
72°F |
0 to 5 mph
SSE
|
|
Monday
Jul 20
|
Mostly Sunny then Chance Showers And Thunderstorms
|
90°F |
5 mph
ENE
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
73°F |
1 to 5 mph
SSE
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
92°F |
2 to 8 mph
SSW
|
|
Tuesday Night
Jul 21
|
Partly Cloudy
|
75°F |
7 mph
SSW
|
|
Wednesday
Jul 22
|
Mostly Sunny then Chance Showers And Thunderstorms
|
93°F |
8 mph
WSW
|
|
Wednesday Night
Jul 22
|
Chance Showers And Thunderstorms
|
71°F |
5 to 8 mph
N
|
|
Thursday
Jul 23
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
88°F |
6 to 9 mph
NE
|
|
Thursday Night
Jul 23
|
Slight Chance Showers And Thunderstorms
|
69°F |
1 to 5 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Tega Cay.