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.

Friday
5th Jun
29

26

4

6
Saturday
6th Jun
28

26

4

7
Sunday
7th Jun
29

25

3

6
Monday
8th Jun
29

26

6

7
Tuesday
9th Jun
28

25

2

4

5-day weather forecast updated at 04:00 on Friday 5th June 2026 GMT

More about French Guiana

French Guiana by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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.

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 Friday 5th June 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 89% chance of some rain and a light breeze of 11 kph from the east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
6
UV index (High)
89
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from E

French Guiana weather for Saturday 6th June 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 69% chance of some rain and a light breeze of 10 kph from the east.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
69
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from E

French Guiana weather for Sunday 7th June 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 30-40 mm of rainfall expected with 83% chance of some rain and a light breeze of 11 kph from the east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
6
UV index (High)
83
% chance of some rain
<40
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from E

French Guiana weather for Monday 8th June 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 79% chance of some rain and a light breeze of 12 kph from the east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
7
UV index (High)
79
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from E

French Guiana weather for Tuesday 9th June 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 40-50 mm of rainfall expected with 95% chance of some rain and a light breeze of 8 kph from the east.