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

03 May 2026 Sun
21.8 ° C
( 71.2°F )

Fog
Fog
Feels Like : 21.8 ° C / 71.2°F
Humidity : % 100
Pressure : 1012 mb
Wind Speed : 3.6 kmph / 2.2 miles from ENEENE
Visibility : 0 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 100

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
03 May 2026 Sun Patchy rain nearby Patchy rain nearby 21.6 ° C 29.5 ° C 24.2 ° C % 91 8.6 km/h 95%
04 May 2026 Mon Patchy rain nearby Patchy rain nearby 20.4 ° C 30.9 ° C 24.3 ° C % 88 9.4 km/h 87%
05 May 2026 Tue Moderate rain Moderate rain 20.1 ° C 28.2 ° C 23.7 ° C % 93 6.8 km/h 87%
06 May 2026 Wed Patchy rain nearby Patchy rain nearby 21.8 ° C 29.2 ° C 24.5 ° C % 91 9.4 km/h 86%
07 May 2026 Thu Moderate rain Moderate rain 21.3 ° C 29.6 ° C 24.1 ° C % 92 6.5 km/h 62%
08 May 2026 Fri Moderate rain Moderate rain 22.2 ° C 25.5 ° C 23.3 ° C % 95 4.3 km/h 60%
09 May 2026 Sat Patchy rain nearby Patchy rain nearby 21.4 ° C 29.9 ° C 24.5 ° C % 88 6.8 km/h 86%
10 May 2026 Sun Patchy rain nearby Patchy rain nearby 21.5 ° C 28.2 ° C 24.1 ° C % 94 7.6 km/h 88%
11 May 2026 Mon Patchy rain nearby Patchy rain nearby 22.3 ° C 26.6 ° C 24.1 ° C % 97 6.8 km/h 85%
12 May 2026 Tue Patchy rain nearby Patchy rain nearby 22.6 ° C 26.4 ° C 24.1 ° C % 98 6.8 km/h 86%
13 May 2026 Wed Patchy rain nearby Patchy rain nearby 22 ° C 25.7 ° C 23.4 ° C % 98 5.8 km/h 89%
14 May 2026 Thu Patchy rain nearby Patchy rain nearby 21.5 ° C 28.4 ° C 24.1 ° C % 93 9 km/h 80%
15 May 2026 Fri Patchy rain nearby Patchy rain nearby 21.2 ° C 29.1 ° C 23.9 ° C % 89 5.8 km/h 87%
16 May 2026 Sat Patchy rain nearby Patchy rain nearby 20.5 ° C 30.4 ° C 24 ° C % 89 6.1 km/h 80%
Weather forecasts are usually fully updated every 3 hours.

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