Greenville Spartanburg International Airport Weather Forecast 15 Days, Weather in GSP Today
Current weather conditions and 15 day weather forecast for Greenville Spartanburg International Airport, South Carolina, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Greenville Spartanburg International Airport
| 31 March 2026 Tuesday 19.4 ° C / 66.9°F  Overcast |
Feels Like : 19.4 ° C / 66.9°F Humidity : % 59 Pressure : 1026 mb Wind Speed : 9.7 kmph / 6 miles from WSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Greenville Spartanburg International Airport, SC, USA
Weather Forecast for next 15 Days for Greenville Spartanburg International Airport including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Greenville Spartanburg International Airport, South Carolina state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 30 March 2026 Monday |  Sunny |
11.5 ° C (52.7°F) |
23.6 ° C (74.5°F) |
16.9 ° C (62.5°F) |
% 60 | 0% | 1.9 | Sunrise:07:19 AM Sunset: 07:49 PM |
Moonrise:05:42 PM Moonset: 06:00 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday | Overcast |
13.2 ° C (55.8°F) |
25.2 ° C (77.4°F) |
17.8 ° C (64°F) |
% 77 | 0% | 1.6 | Sunrise:07:17 AM Sunset: 07:50 PM |
Moonrise:06:43 PM Moonset: 06:25 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday |  Cloudy |
15.5 ° C (59.9°F) |
25.5 ° C (77.9°F) |
20.1 ° C (68.1°F) |
% 77 | 0% | 1.6 | Sunrise:07:16 AM Sunset: 07:50 PM |
Moonrise:07:44 PM Moonset: 06:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday |  Fog |
14.8 ° C (58.6°F) |
24.3 ° C (75.7°F) |
19 ° C (66.3°F) |
% 79 | 0% | 1.4 | Sunrise:07:14 AM Sunset: 07:51 PM |
Moonrise:08:44 PM Moonset: 07:16 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday |  Moderate rain |
15.4 ° C (59.7°F) |
21.8 ° C (71.2°F) |
17.9 ° C (64.2°F) |
% 91 | 89% | 0.8 | Sunrise:07:13 AM Sunset: 07:52 PM |
Moonrise:09:45 PM Moonset: 07:42 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday |  Patchy rain nearby |
15.4 ° C (59.8°F) |
24.7 ° C (76.5°F) |
18 ° C (64.3°F) |
% 88 | 85% | 0 | Sunrise:07:12 AM Sunset: 07:53 PM |
Moonrise:10:45 PM Moonset: 08:11 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Patchy rain nearby |
14.3 ° C (57.7°F) |
24.9 ° C (76.8°F) |
19.1 ° C (66.4°F) |
% 78 | 77% | 4 | Sunrise:07:10 AM Sunset: 07:54 PM |
Moonrise:11:46 PM Moonset: 08:45 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Patchy rain nearby |
10.5 ° C (51°F) |
18.6 ° C (65.4°F) |
14.1 ° C (57.4°F) |
% 78 | 0% | 3 | Sunrise:07:09 AM Sunset: 07:54 PM |
Moonrise:No moonrise Moonset: 09:24 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday | Sunny |
6.6 ° C (43.9°F) |
18.2 ° C (64.8°F) |
11.5 ° C (52.7°F) |
% 68 | 0% | 4 | Sunrise:07:08 AM Sunset: 07:55 PM |
Moonrise:12:43 AM Moonset: 10:08 AM Moon Phase ( Waning Gibbous ) |
|
| 08 April 2026 Wednesday | Sunny |
6.4 ° C (43.5°F) |
18.7 ° C (65.7°F) |
11.8 ° C (53.3°F) |
% 62 | 0% | 4 | Sunrise:07:06 AM Sunset: 07:56 PM |
Moonrise:01:38 AM Moonset: 11:00 AM Moon Phase ( Waning Gibbous ) |
|
| 09 April 2026 Thursday | Sunny |
5.9 ° C (42.7°F) |
18 ° C (64.4°F) |
11 ° C (51.8°F) |
% 61 | 0% | 4 | Sunrise:07:05 AM Sunset: 07:57 PM |
Moonrise:02:26 AM Moonset: 11:56 AM Moon Phase ( Waning Gibbous ) |
|
| 10 April 2026 Friday | Sunny |
6.3 ° C (43.3°F) |
21 ° C (69.8°F) |
12.8 ° C (55.1°F) |
% 58 | 0% | 4 | Sunrise:07:04 AM Sunset: 07:57 PM |
Moonrise:03:09 AM Moonset: 12:56 PM Moon Phase ( Last Quarter ) |
|
| 11 April 2026 Saturday |  Partly Cloudy |
8.1 ° C (46.5°F) |
22.1 ° C (71.7°F) |
14.4 ° C (58°F) |
% 64 | 0% | 4 | Sunrise:07:02 AM Sunset: 07:58 PM |
Moonrise:03:46 AM Moonset: 01:58 PM Moon Phase ( Waning Crescent ) |
|
| 12 April 2026 Sunday | Partly Cloudy |
9.3 ° C (48.7°F) |
23.3 ° C (74°F) |
12.7 ° C (54.9°F) |
% 73 | 0% | 4 | Sunrise:07:01 AM Sunset: 07:59 PM |
Moonrise:04:18 AM Moonset: 03:01 PM Moon Phase ( Waning Crescent ) |
|
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