Grand-Santi Airport (GSI) 15 Day Weather Forecast, Grand-Santi French Guiana
Current weather conditions and 15 day weather forecast for Grand-Santi Airport in Grand-Santi, French Guiana 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 GSI
| 06 December 2025 Sat 22.6 ° C ( 72.6°F )  Clear |
Feels Like : 24.8 ° C / 76.7°F Humidity : % 86 Pressure : 1011 mb Wind Speed : 5 kmph / 3.1 miles from NNE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 6 |
15-day weather forecast for Grand-Santi Airport, Grand-Santi, French Guiana
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 05 December 2025 Fri |  Patchy rain nearby |
21.3 ° C | 35.6 ° C | 26.7 ° C | % 71 | 10.4 km/h | 72% |
| 06 December 2025 Sat |  Cloudy |
19.5 ° C | 36 ° C | 26.9 ° C | % 65 | 9 km/h | 0% |
| 07 December 2025 Sun | Patchy rain nearby |
21.8 ° C | 36.5 ° C | 26.8 ° C | % 72 | 11.9 km/h | 88% |
| 08 December 2025 Mon | Patchy rain nearby |
20.6 ° C | 32.2 ° C | 25.2 ° C | % 79 | 9.7 km/h | 85% |
| 09 December 2025 Tue |  Moderate rain |
20.3 ° C | 34.6 ° C | 25.2 ° C | % 79 | 8.6 km/h | 88% |
| 10 December 2025 Wed |  Fog |
20.5 ° C | 33.1 ° C | 23.8 ° C | % 85 | 9 km/h | 0% |
| 11 December 2025 Thu | Patchy rain nearby |
21.3 ° C | 31 ° C | 25.8 ° C | % 73 | 9 km/h | 75% |
| 12 December 2025 Fri |  Partly Cloudy |
20.5 ° C | 31.5 ° C | 25.6 ° C | % 74 | 7.9 km/h | 0% |
| 13 December 2025 Sat | Patchy rain nearby |
21.3 ° C | 33.6 ° C | 25.9 ° C | % 75 | 8.3 km/h | 69% |
| 14 December 2025 Sun | Fog |
21 ° C | 33.6 ° C | 26 ° C | % 75 | 9 km/h | 0% |
| 15 December 2025 Mon | Cloudy |
21 ° C | 31.8 ° C | 25.8 ° C | % 76 | 9.4 km/h | 0% |
| 16 December 2025 Tue | Patchy rain nearby |
21.4 ° C | 32.9 ° C | 25.8 ° C | % 77 | 9.4 km/h | 65% |
| 17 December 2025 Wed | Patchy rain nearby |
20.9 ° C | 32.7 ° C | 25.9 ° C | % 74 | 8.6 km/h | 0% |
| 18 December 2025 Thu | Patchy rain nearby |
21.1 ° C | 33.8 ° C | 25.9 ° C | % 75 | 9 km/h | 80% |
Add a link to your web page; copy and paste this html to your web page
