Cayenne weather live forecast

Today's maximum temperature in Cayenne is expected to be 29°C. Select a day from the live weather forecast for Cayenne, French Guiana for more weather parameters.

Thursday
16th Oct
29

27

6

9
Friday
17th Oct
29

27

8

11
Saturday
18th Oct
31

26

4

11
Sunday
19th Oct
30

26

4

11
Monday
20th Oct
29

27

6

11

5-day weather forecast updated at 04:00 on Thursday 16th October 2025 GMT

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The 5-day weather forecast for French Guiana, represented by Cayenne, (Cayenne) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Cayenne weather forecast by day

Below are the detailed weather forecasts for Cayenne for the next 5 days.

Cayenne weather for Thursday 16th October 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a light breeze of 12 kph from the east.

29
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
47
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from E

Cayenne weather for Friday 17th October 2025

Expect scattered clouds in Cayenne, French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

29
°C maximum temperature
27
°C minimum temperature
scattered clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from E

Cayenne weather for Saturday 18th October 2025

Expect broken clouds in Cayenne, French Guiana with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.

31
°C maximum temperature
26
°C minimum temperature
broken clouds
4
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from E

Cayenne weather for Sunday 19th October 2025

Expect broken clouds in Cayenne, French Guiana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
broken clouds
4
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from E

Cayenne weather for Monday 20th October 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 64% chance of some rain and a light breeze of 11 kph from the north-east.