Greenville Spartanburg Airport (GSP) Weather 09/18/2025
This Afternoon
88
Sunny
Tonight
67
Partly Cloudy
Saturday
89
Mostly Sunny then Chance T-storms
Saturday Night
65
Chance T-storms then Mostly Cloudy
Sunday
80
Mostly Sunny
Sunday Night
59
Partly Cloudy
Monday
78
Sunny
Monday Night
57
Mostly Clear
Tuesday
77
Sunny
Tuesday Night
59
Partly Cloudy
Wednesday
80
Mostly Sunny
Wednesday Night
60
Partly Cloudy
Thursday
84
Mostly Sunny
Weekly Forecast
This Afternoon
Sunny, with a high near 88. South southwest wind around 9 mph.
Tonight
Partly cloudy, with a low around 67. South wind around 5 mph becoming light and variable in the evening.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 89. Light west southwest wind becoming southwest 5 to 9 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 65. Southwest wind around 6 mph becoming light and variable in the evening. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 80. North northeast wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 84.