Cayenne Weather
French Guiana · Thursday, March 12, 2026
Real-time Air Quality Index (AQI)
Cayenne Weather & Air Quality Overview
Cayenne is a city in French Guiana, located in the Northern Hemisphere at coordinates 4.94°N, 52.33°W. Cayenne experiences a tropical climate. This page provides real-time temperature, humidity, wind speed, UV index, air quality monitoring, and a detailed 10-day weather forecast for Cayenne, French Guiana.
Right now in Cayenne, the temperature is 25°C (feels like 30°C) with thunderstorm. Humidity is at 94%. Winds are blowing at 4 km/h. Today's high is expected to reach 27°C and the low will be around 24°C.
The current Air Quality Index (AQI) in Cayenne is 17, rated as Good. The dominant pollutant is PM10.
- Today's high in Cayenne: 27°C
- Humidity in Cayenne: 94%
- Current AQI in Cayenne: 17 (Good)
- Wind in Cayenne: 4 km/h
Weather in Cayenne and the Cayenne forecast are updated every few minutes. For more cities, see our weather directory and global AQI map, or check city AQI rankings and weather guides.
Data updates every few minutes. Weather powered by Open-Meteo. Air quality from multiple monitoring networks.