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.

Saturday
6th Jun
29

25

4

9
Sunday
7th Jun
28

26

3

6
Monday
8th Jun
30

26

6

8
Tuesday
9th Jun
29

25

1

9
Wednesday
10th Jun
28

25

0

11

5-day weather forecast updated at 04:00 on Saturday 6th June 2026 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 Saturday 6th June 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 75% chance of some rain and a light breeze of 9 kph from the east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
9
UV index (Very High)
75
% chance of some rain
<30
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from E

French Guiana weather for Sunday 7th June 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 79% chance of some rain and a light breeze of 10 kph from the east.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
6
UV index (High)
79
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
10
kph wind from E

French Guiana weather for Monday 8th June 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a gentle breeze of 13 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
74
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from E

French Guiana weather for Tuesday 9th June 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 92% chance of some rain and a light breeze of 8 kph from the south-east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
9
UV index (Very High)
92
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
8
kph wind from SE

French Guiana weather for Wednesday 10th June 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 93% chance of some rain and a light breeze of 7 kph from the east.