Rochambeau Airport (CAY) 15 Day Weather Forecast, Cayenne French Guiana
Current weather conditions and 15 day weather forecast for Rochambeau Airport in Cayenne, 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 CAY
| 14 September 2026 Mon 25.8 ° C ( 78.4°F )  Cloudy |
Feels Like : 28.3 ° C / 82.9°F Humidity : % 82 Pressure : 1014 mb Wind Speed : 9.4 kmph / 5.8 miles from E 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 73 |
15-day weather forecast for Rochambeau Airport, Cayenne, French Guiana
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 13 September 2026 Sun |  Sunny |
22.8 ° C | 32 ° C | 27.4 ° C | % 70 | 15.5 km/h | 8% |
| 14 September 2026 Mon | Sunny |
23.6 ° C | 32.9 ° C | 27.6 ° C | % 75 | 15.1 km/h | 10% |
| 15 September 2026 Tue |  Overcast |
26.4 ° C | 32.4 ° C | 28.1 ° C | % 73 | 14.4 km/h | 17% |
| 16 September 2026 Wed | Sunny |
24.9 ° C | 32.4 ° C | 28.1 ° C | % 73 | 15.1 km/h | 17% |
| 17 September 2026 Thu | Overcast |
25.1 ° C | 31.2 ° C | 27.6 ° C | % 79 | 13 km/h | 20% |
| 18 September 2026 Fri | Overcast |
25.2 ° C | 33.4 ° C | 28.4 ° C | % 74 | 15.1 km/h | 23% |
| 19 September 2026 Sat | Overcast |
25 ° C | 33.2 ° C | 27.9 ° C | % 73 | 16.9 km/h | 16% |
| 20 September 2026 Sun | Sunny |
24.3 ° C | 32.8 ° C | 27.9 ° C | % 71 | 17.3 km/h | 9% |
| 21 September 2026 Mon | Sunny |
24.2 ° C | 32.1 ° C | 28 ° C | % 68 | 17.3 km/h | 6% |
| 22 September 2026 Tue | Sunny |
25.7 ° C | 32.5 ° C | 28.5 ° C | % 70 | 15.5 km/h | 8% |
| 23 September 2026 Wed | Sunny |
26 ° C | 32.5 ° C | 28.3 ° C | % 74 | 15.8 km/h | 10% |
| 24 September 2026 Thu |  Patchy rain nearby |
25.6 ° C | 32.6 ° C | 28.4 ° C | % 73 | 14.8 km/h | 21% |
| 25 September 2026 Fri | Sunny |
26.7 ° C | 33.4 ° C | 29.1 ° C | % 70 | 15.1 km/h | 13% |
| 26 September 2026 Sat | Sunny |
24.9 ° C | 32.9 ° C | 28.2 ° C | % 76 | 14.4 km/h | 57% |
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