Simpsonville, SC Weather Forecast

Local 7-day forecast

88°
F

Mostly Sunny then Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Simpsonville, SC in one place.

Wednesday, August 26, 2026
Wind: 5 mph E
Wednesday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. East wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Simpsonville, 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 25, 2026 9:52 AM EDT.

The active forecast window currently covers Aug 26 to Aug 31, 2026 for Simpsonville, SC.

Page Snapshot

Page focus
city weather
Forecast window
Aug 26 to Aug 31, 2026
Latest sync
Aug 25, 2026 9:52 AM EDT
Forecast office
GSP
Source
NOAA / NWS
Next High
88°F
Wednesday
Next Low
68°F
Wednesday Night
Rain Outlook
10
Periods mentioning precipitation
Windiest
0 to 6 mph
Thursday

Daily Outlook

Today
Aug 26
Mostly Sunny then Chance Showers And Thunderstorms
88 °F
/ 68°F
Wind 5 mph
Thu
Aug 27
Chance Showers And Thunderstorms
87 °F
/ 68°F
Wind 0 to 6 mph
Fri
Aug 28
Chance Showers And Thunderstorms
86 °F
/ 68°F
Wind 3 mph
Sat
Aug 29
Slight Chance Rain Showers then Chance Showers And Thunderstorms
85 °F
/ 68°F
Wind 1 to 5 mph
Sun
Aug 30
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
86 °F
/ 69°F
Wind 1 to 5 mph
Mon
Aug 31
Sunny
90 °F
/ 70°F
Wind 1 to 5 mph

This Week in Simpsonville

Monday looks like the warmest upcoming period in Simpsonville at 90 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 68 degrees F.

The strongest winds are forecast for Thursday at about 0 to 6 mph SSW.

Precipitation is mentioned in 10 upcoming forecast periods.

Forecast Details

Last updated
Aug 25, 2026 9:52 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 source

Extended Forecast

Wednesday Night
Aug 26
68°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
0 to 5 mph E

A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 68. East wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Thursday
Aug 27
87°F
Chance Showers And Thunderstorms
0 to 6 mph SSW

A chance of rain showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 87. South southwest wind 0 to 6 mph. Chance of precipitation is 60%.

Thursday Night
Aug 27
68°F
Chance Showers And Thunderstorms
1 to 5 mph SW

A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.

Friday
Aug 28
86°F
Chance Showers And Thunderstorms
3 mph SW

A chance of showers and thunderstorms between 8am and 3pm, then showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 70%.

Friday Night
Aug 28
68°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
3 mph ESE

Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.

Saturday
Aug 29
85°F
Slight Chance Rain Showers then Chance Showers And Thunderstorms
1 to 5 mph ENE

A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.

Saturday Night
Aug 29
68°F
Chance Showers And Thunderstorms
0 to 5 mph ENE

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

Sunday
Aug 30
86°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
1 to 5 mph E

A slight chance of rain showers between 8am and 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.

Sunday Night
Aug 30
69°F
Slight Chance Showers And Thunderstorms
0 to 3 mph SSW

A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69.

Monday
Aug 31
90°F
Sunny
1 to 5 mph WSW

Sunny, with a high near 90.

Monday Night
Aug 31
70°F
Mostly Clear
3 mph WSW

Mostly clear, with a low around 70.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Aug 26
Mostly Sunny then Chance Showers And Thunderstorms
88°F
5 mph
E
Wednesday Night
Aug 26
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
68°F
0 to 5 mph
E
Thursday
Aug 27
Chance Showers And Thunderstorms
87°F
0 to 6 mph
SSW
Thursday Night
Aug 27
Chance Showers And Thunderstorms
68°F
1 to 5 mph
SW
Friday
Aug 28
Chance Showers And Thunderstorms
86°F
3 mph
SW
Friday Night
Aug 28
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
68°F
3 mph
ESE
Saturday
Aug 29
Slight Chance Rain Showers then Chance Showers And Thunderstorms
85°F
1 to 5 mph
ENE
Saturday Night
Aug 29
Chance Showers And Thunderstorms
68°F
0 to 5 mph
ENE
Sunday
Aug 30
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
86°F
1 to 5 mph
E
Sunday Night
Aug 30
Slight Chance Showers And Thunderstorms
69°F
0 to 3 mph
SSW
Monday
Aug 31
Sunny
90°F
1 to 5 mph
WSW
Monday Night
Aug 31
Mostly Clear
70°F
3 mph
WSW
SimpsonvilleSC
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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.