French Guiana weather live forecast

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

Wednesday
5th Nov
29

27

6

8
Thursday
6th Nov
30

27

6

11
Friday
7th Nov
29

26

7

10
Saturday
8th Nov
29

26

7

11
Sunday
9th Nov
28

26

6

11

5-day weather forecast updated at 04:00 on Tuesday 4th November 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.

French Guiana weather forecast by day

Below are the detailed weather forecasts for French Guiana for the next 5 days. The forecasts shown are for Cayenne and may not represent the whole of French Guiana. Browse more destinations in French Guiana to view more weather forecasts.

French Guiana weather for Wednesday 5th November 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 57% chance of some rain and a light breeze of 9 kph from the east.

29
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
57
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from E

French Guiana weather for Thursday 6th November 2025

Expect broken clouds in French Guiana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.

30
°C maximum temperature
27
°C minimum temperature
broken clouds
6
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from E

French Guiana weather for Friday 7th November 2025

Expect scattered clouds in French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 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
26
°C minimum temperature
scattered clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from E

French Guiana weather for Saturday 8th November 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 58% chance of some rain and a light breeze of 12 kph from the east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
58
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from E

French Guiana weather for Sunday 9th November 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 28°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 70% chance of some rain and a light breeze of 12 kph from the east.