Cayenne weather live forecast

Today's maximum temperature in Cayenne is expected to be 27°C. Select a day from the live weather forecast for Cayenne, French Guiana for more weather parameters.

Wednesday
10th Dec
27

26

4

9
Thursday
11th Dec
27

26

3

7
Friday
12th Dec
26

26

3

9
Saturday
13th Dec
27

26

3

8
Sunday
14th Dec
27

26

1

11

5-day weather forecast updated at 04:01 on Wednesday 10th December 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 Wednesday 10th December 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 30-40 mm of rainfall expected with 90% chance of some rain and a gentle breeze of 14 kph from the east.

27
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
9
UV index (Very High)
90
% chance of some rain
<40
mm of rainfall expected
L
low heat & humidity
14
kph wind from E

Cayenne weather for Thursday 11th December 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 40-50 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 14 kph from the east.

27
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
7
UV index (High)
99
% chance of some rain
<50
mm of rainfall expected
L
low heat & humidity
14
kph wind from E

Cayenne weather for Friday 12th December 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 3 hours of bright sunshine. There are 40-50 mm of rainfall expected with 87% chance of some rain and a light breeze of 12 kph from the east.

26
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
9
UV index (Very High)
87
% chance of some rain
<50
mm of rainfall expected
L
low heat & humidity
12
kph wind from E

Cayenne weather for Saturday 13th December 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 40-50 mm of rainfall expected with 88% chance of some rain and a gentle breeze of 13 kph from the east.

27
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
8
UV index (Very High)
88
% chance of some rain
<50
mm of rainfall expected
L
low heat & humidity
13
kph wind from E

Cayenne weather for Sunday 14th December 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 1 hour of bright sunshine. There are 50 mm or more of rainfall expected with 88% chance of some rain and a gentle breeze of 14 kph from the east.