Cayenne weather live forecast

Today's maximum temperature in Cayenne is expected to be 28°C. Select a day from the live weather forecast for Cayenne, French Guiana for more weather parameters.

Thursday
14th May
28

26

1

8
Friday
15th May
28

26

1

6
Saturday
16th May
29

26

2

8
Sunday
17th May
29

27

5

10
Monday
18th May
29

26

1

6

5-day weather forecast updated at 04:00 on Thursday 14th May 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 Thursday 14th May 2026

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 91% chance of some rain and a light breeze of 10 kph from the east.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
8
UV index (Very High)
91
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
10
kph wind from E

Cayenne weather for Friday 15th May 2026

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 75% chance of some rain and a light breeze of 11 kph from the east.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
6
UV index (High)
75
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from E

Cayenne weather for Saturday 16th May 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 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and a gentle breeze of 14 kph from the east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
8
UV index (Very High)
84
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from E

Cayenne weather for Sunday 17th May 2026

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a gentle breeze of 15 kph from the east.

29
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
10
UV index (Very High)
74
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from E

Cayenne weather for Monday 18th May 2026

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 90% chance of some rain and a light breeze of 12 kph from the east.