Greenville-Spartanburg Airport (GSP) 15 Day Weather Forecast, Greenville United States
Current weather conditions and 15 day weather forecast for Greenville-Spartanburg Airport in Greenville, United States including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at GSP
| 13 September 2026 Sun 20.9 ° C ( 69.6°F )  Heavy rain at times |
Feels Like : 23.2 ° C / 73.8°F Humidity : % 94 Pressure : 1015 mb Wind Speed : 6.8 kmph / 4.3 miles from W 
Visibility : 2 km Precipitation (rainfall) : 16.3 mm Cloud (%) : 82 |
15-day weather forecast for Greenville-Spartanburg Airport, Greenville, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 13 September 2026 Sun |  Sunny |
20.6 ° C | 32.6 ° C | 25.9 ° C | % 67 | 14.8 km/h | 67% |
| 14 September 2026 Mon | Sunny |
22.9 ° C | 33.5 ° C | 27.6 ° C | % 55 | 13.3 km/h | 5% |
| 15 September 2026 Tue |  Overcast |
19.7 ° C | 27.1 ° C | 23 ° C | % 67 | 16.6 km/h | 10% |
| 16 September 2026 Wed | Sunny |
18.7 ° C | 29.7 ° C | 24 ° C | % 60 | 12.2 km/h | 4% |
| 17 September 2026 Thu | Sunny |
19.6 ° C | 30.4 ° C | 24.3 ° C | % 54 | 12.2 km/h | 2% |
| 18 September 2026 Fri | Sunny |
19.2 ° C | 31.7 ° C | 24.8 ° C | % 54 | 6.5 km/h | 17% |
| 19 September 2026 Sat | Overcast |
18.5 ° C | 31.2 ° C | 23.9 ° C | % 71 | 16.9 km/h | 67% |
| 20 September 2026 Sun | Overcast |
15.6 ° C | 22.4 ° C | 18.6 ° C | % 66 | 18.7 km/h | 10% |
| 21 September 2026 Mon | Sunny |
14.5 ° C | 23.8 ° C | 18.6 ° C | % 52 | 23.8 km/h | 3% |
| 22 September 2026 Tue | Overcast |
14 ° C | 17.8 ° C | 15.3 ° C | % 77 | 19.1 km/h | 50% |
| 23 September 2026 Wed |  Patchy rain nearby |
14.9 ° C | 22.7 ° C | 17.4 ° C | % 75 | 16.6 km/h | 30% |
| 24 September 2026 Thu | Sunny |
15.9 ° C | 26.8 ° C | 20.9 ° C | % 62 | 13 km/h | 6% |
| 25 September 2026 Fri | Sunny |
16.3 ° C | 25 ° C | 20.8 ° C | % 55 | 12.2 km/h | 3% |
| 26 September 2026 Sat | Sunny |
14.3 ° C | 30.8 ° C | 19.8 ° C | % 61 | 20.2 km/h | 57% |
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