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.

Wednesday
7th Jan
29

26

4

8
Thursday
8th Jan
30

26

4

10
Friday
9th Jan
28

26

3

11
Saturday
10th Jan
27

25

3

6
Sunday
11th Jan
29

25

4

11

5-day weather forecast updated at 04:00 on Wednesday 7th January 2026 GMT

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Recommended for French Guiana

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 Wednesday 7th January 2026

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 73% chance of some rain and a light breeze of 10 kph from the east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
8
UV index (Very High)
73
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from E

Cayenne weather for Thursday 8th January 2026

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 69% chance of some rain and a gentle breeze of 14 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
10
UV index (Very High)
69
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from E

Cayenne weather for Friday 9th January 2026

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 87% chance of some rain and a light breeze of 12 kph from the east.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
11
UV index (Extreme)
87
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
12
kph wind from E

Cayenne weather for Saturday 10th January 2026

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 80% chance of some rain and a light breeze of 9 kph from the east.

27
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
6
UV index (High)
80
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
9
kph wind from E

Cayenne weather for Sunday 11th January 2026

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 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 82% chance of some rain and a light breeze of 10 kph from the north-east.