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
| 18 December 2025 Thu 26.3 ° C ( 79.3°F )  Moderate or heavy rain shower |
Feels Like : 30.5 ° C / 86.8°F Humidity : % 89 Pressure : 1009 mb Wind Speed : 7.9 kmph / 4.9 miles from ENE 
Visibility : 10 km Precipitation (rainfall) : 0.02 mm Cloud (%) : 50 |
15-day weather forecast for Rochambeau Airport, Cayenne, French Guiana
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 17 December 2025 Wed |  Heavy rain |
23.8 ° C | 26.6 ° C | 24.6 ° C | % 92 | 13 km/h | 99% |
| 18 December 2025 Thu | Heavy rain |
23.2 ° C | 26.5 ° C | 24.6 ° C | % 92 | 12.6 km/h | 92% |
| 19 December 2025 Fri | Heavy rain |
22.7 ° C | 25 ° C | 23.6 ° C | % 96 | 11.2 km/h | 87% |
| 20 December 2025 Sat |  Moderate rain |
22.2 ° C | 27.2 ° C | 23.9 ° C | % 89 | 8.6 km/h | 81% |
| 21 December 2025 Sun | Moderate rain |
23.1 ° C | 27.6 ° C | 24.8 ° C | % 87 | 7.9 km/h | 85% |
| 22 December 2025 Mon |  Patchy rain nearby |
22.6 ° C | 27.7 ° C | 23.9 ° C | % 91 | 9.7 km/h | 89% |
| 23 December 2025 Tue | Moderate rain |
22.6 ° C | 26.4 ° C | 24.2 ° C | % 92 | 9 km/h | 87% |
| 24 December 2025 Wed | Patchy rain nearby |
22.4 ° C | 27.6 ° C | 24.6 ° C | % 89 | 9.4 km/h | 85% |
| 25 December 2025 Thu | Moderate rain |
22.6 ° C | 27.4 ° C | 24.6 ° C | % 90 | 11.5 km/h | 87% |
| 26 December 2025 Fri | Moderate rain |
22.8 ° C | 23.9 ° C | 23.4 ° C | % 96 | 14.4 km/h | 87% |
| 27 December 2025 Sat | Moderate rain |
23.1 ° C | 25.5 ° C | 23.8 ° C | % 93 | 13.3 km/h | 87% |
| 28 December 2025 Sun | Moderate rain |
22.7 ° C | 26.4 ° C | 24.2 ° C | % 92 | 12.6 km/h | 89% |
| 29 December 2025 Mon | Patchy rain nearby |
23 ° C | 26 ° C | 24.1 ° C | % 92 | 13.3 km/h | 78% |
| 30 December 2025 Tue | Patchy rain nearby |
23.3 ° C | 26.5 ° C | 24.7 ° C | % 91 | 9.7 km/h | 84% |
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