Cayenne weather live forecast

Today's maximum temperature in Cayenne is expected to be 30°C. Select a day from the live weather forecast for Cayenne, French Guiana for more weather parameters.

Friday
5th Sep
30

26

5

11
Saturday
6th Sep
29

27

6

11
Sunday
7th Sep
31

26

7

11
Monday
8th Sep
31

26

6

10
Tuesday
9th Sep
32

25

9

10

5-day weather forecast updated at 04:01 on Friday 5th September 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 Friday 5th September 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 5 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
5
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 6th September 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 26% chance of some rain and a gentle breeze of 13 kph from the east.

29
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
26
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from E

Cayenne weather for Sunday 7th September 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 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

31
°C maximum temperature
26
°C minimum temperature
broken clouds
7
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 8th September 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a light breeze of 12 kph from the east.

31
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
10
UV index (Very High)
33
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from E

Cayenne weather for Tuesday 9th September 2025

Expect scattered clouds in Cayenne, French Guiana with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.