French Guiana weather live forecast

Tomorrow's maximum temperature in French Guiana is expected to be 28°C.

Sunday
1st Jun

28

25

4
Monday
2nd Jun

27

25

0
Tuesday
3rd Jun

28

25

3
Wednesday
4th Jun

29

25

4
Thursday
5th Jun

29

25

3

5-day weather forecast updated at 04:00 on Sunday 1st June 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 Sunday 1st June 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 28°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 91% chance of some rain and a light breeze of 12 kph from the east.

28
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
9
UV index (Very High)
91
% chance of some rain
<40
mm of rainfall expected
L
low heat & humidity
12
kph wind from E

French Guiana weather for Monday 2nd June 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 99% chance of some rain and a light breeze of 11 kph from the east.

27
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
5
UV index (Moderate)
99
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
11
kph wind from E

French Guiana weather for Tuesday 3rd June 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 83% chance of some rain and a light breeze of 11 kph from the east.

28
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
8
UV index (Very High)
83
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from E

French Guiana weather for Wednesday 4th June 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 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 80% chance of some rain and a light breeze of 10 kph from the east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
11
UV index (Extreme)
80
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from E

French Guiana weather for Thursday 5th June 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 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 85% chance of some rain and a light breeze of 10 kph from the east.