French Guiana weather live forecast

Tomorrow's maximum temperature in French Guiana is expected to be 30°C.

Wednesday
30th Apr

30

26

4
Thursday
1st May

28

26

3
Friday
2nd May

29

26

4
Saturday
3rd May

29

26

5
Sunday
4th May

29

25

4

5-day weather forecast updated at 04:00 on Wednesday 30th April 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 30th April 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 58% chance of some rain and a light breeze of 12 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
11
UV index (Extreme)
58
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from E

French Guiana weather for Thursday 1st May 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 85% chance of some rain and a light breeze of 12 kph from the east.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
7
UV index (High)
85
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from E

French Guiana weather for Friday 2nd May 2025

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 80% chance of some rain and a gentle breeze of 13 kph from the east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
6
UV index (High)
80
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from E

French Guiana weather for Saturday 3rd May 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and a light breeze of 11 kph from the east.

29
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
7
UV index (High)
84
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from E

French Guiana weather for Sunday 4th May 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 76% chance of some rain and a light breeze of 12 kph from the east.