Country CapitalCayenne79 °FLight fog.Feels Like: 83 °FForecast: 80 / 75 °FWind: No windCountry: French GuianaCountry High: 79 °F CayenneCountry Low: 79 °F KourouMax Wind: 0 mph Cayenne °FWeather in French Guiana (2 Locations)CayenneFri 3:00 am79 °FKourouFri 3:00 am79 °F Need some help?