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
| 02 February 2026 Mon 21.2 ° C ( 70.1°F )  Partly Cloudy |
Feels Like : 21.2 ° C / 70.1°F Humidity : % 94 Pressure : 1013 mb Wind Speed : 4.3 kmph / 2.7 miles from NE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 27 |
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 |
|---|---|---|---|---|---|---|---|
| 01 February 2026 Sun |  Patchy rain nearby |
19.6 ° C | 29.3 ° C | 23.5 ° C | % 83 | 9.4 km/h | 81% |
| 02 February 2026 Mon | Patchy rain nearby |
19.3 ° C | 30.7 ° C | 23.7 ° C | % 80 | 8.6 km/h | 86% |
| 03 February 2026 Tue | Patchy rain nearby |
18.9 ° C | 29.9 ° C | 23.8 ° C | % 79 | 8.3 km/h | 0% |
| 04 February 2026 Wed | Patchy rain nearby |
18.8 ° C | 30.8 ° C | 23.8 ° C | % 78 | 6.8 km/h | 83% |
| 05 February 2026 Thu | Partly Cloudy |
18.8 ° C | 32.7 ° C | 24.3 ° C | % 76 | 7.6 km/h | 0% |
| 06 February 2026 Fri | Patchy rain nearby |
19.6 ° C | 31.1 ° C | 22.4 ° C | % 88 | 6.5 km/h | 55% |
| 07 February 2026 Sat | Patchy rain nearby |
20.9 ° C | 31.5 ° C | 25.1 ° C | % 79 | 9 km/h | 71% |
| 08 February 2026 Sun | Patchy rain nearby |
21.1 ° C | 30.1 ° C | 23.9 ° C | % 87 | 9.4 km/h | 80% |
| 09 February 2026 Mon | Patchy rain nearby |
19.6 ° C | 30.6 ° C | 24.2 ° C | % 80 | 9 km/h | 0% |
| 10 February 2026 Tue | Patchy rain nearby |
19.9 ° C | 30.3 ° C | 23.9 ° C | % 84 | 9.4 km/h | 76% |
| 11 February 2026 Wed | Patchy rain nearby |
20.9 ° C | 29 ° C | 23.7 ° C | % 90 | 6.8 km/h | 86% |
| 12 February 2026 Thu | Patchy rain nearby |
21.1 ° C | 29.7 ° C | 23.8 ° C | % 89 | 7.9 km/h | 88% |
| 13 February 2026 Fri | Patchy rain nearby |
19.9 ° C | 28.2 ° C | 23.2 ° C | % 91 | 6.5 km/h | 82% |
| 14 February 2026 Sat | Patchy rain nearby |
20.2 ° C | 27.1 ° C | 22.8 ° C | % 92 | 7.2 km/h | 74% |
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