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
| 24 October 2026 Sat 22.5 ° C ( 72.5°F )  Clear |
Feels Like : 23.9 ° C / 75°F Humidity : % 71 Pressure : 1012 mb Wind Speed : 5 kmph / 3.1 miles from NE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 16 |
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 |
|---|---|---|---|---|---|---|---|
| 24 October 2026 Sat |  Overcast |
20.3 ° C | 39.1 ° C | 28.8 ° C | % 60 | 11.5 km/h | 8% |
| 25 October 2026 Sun | Sunny |
19.9 ° C | 39.2 ° C | 29 ° C | % 59 | 12.2 km/h | 5% |
| 26 October 2026 Mon | Sunny |
22.3 ° C | 39.9 ° C | 30 ° C | % 58 | 10.8 km/h | 6% |
| 27 October 2026 Tue | Sunny |
21.8 ° C | 40 ° C | 30.3 ° C | % 58 | 11.9 km/h | 36% |
| 28 October 2026 Wed |  Patchy rain nearby |
22.5 ° C | 39.8 ° C | 28.3 ° C | % 72 | 7.6 km/h | 51% |
| 29 October 2026 Thu | Sunny |
23.9 ° C | 37.2 ° C | 28.7 ° C | % 68 | 9.4 km/h | 10% |
| 30 October 2026 Fri | Sunny |
23.4 ° C | 37.1 ° C | 28.7 ° C | % 65 | 8.3 km/h | 6% |
| 31 October 2026 Sat |  Partly Cloudy |
23.8 ° C | 37.4 ° C | 28.7 ° C | % 68 | 9 km/h | 13% |
| 01 November 2026 Sun | Partly Cloudy |
23.9 ° C | 37.1 ° C | 28.9 ° C | % 67 | 9.7 km/h | 9% |
| 02 November 2026 Mon | Patchy rain nearby |
25.1 ° C | 36.9 ° C | 29.4 ° C | % 64 | 11.5 km/h | 17% |
| 03 November 2026 Tue | Patchy rain nearby |
24.5 ° C | 36.7 ° C | 28.6 ° C | % 70 | 11.2 km/h | 21% |
| 04 November 2026 Wed |  Light rain shower |
23.7 ° C | 36.2 ° C | 28.4 ° C | % 72 | 10.1 km/h | 71% |
| 05 November 2026 Thu | Partly Cloudy |
23.6 ° C | 37.1 ° C | 28.3 ° C | % 70 | 9.4 km/h | 57% |
| 06 November 2026 Fri | Partly Cloudy |
23.9 ° C | 36.2 ° C | 28.4 ° C | % 67 | 10.4 km/h | 17% |
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