French Guiana weather live forecast

Tomorrow's maximum temperature in French Guiana is expected to be 82°F.

Thursday
1st May

82

79

2
Friday
2nd May

84

79

4
Saturday
3rd May

84

79

4
Sunday
4th May

84

79

4
Monday
5th May

84

79

4

5-day weather forecast updated at 04:00 on Thursday 1st May 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 Thursday 1st May 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 82°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 2 hours of bright sunshine. There are 30-40 mm of rainfall expected with 74% chance of some rain and a light breeze of 7 mph from the east.

82
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
2
hours of sunshine
8
UV index (Very High)
74
% chance of some rain
<40
mm of rainfall expected
M
moderate heat & humidity
7
mph wind from E

French Guiana weather for Friday 2nd May 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 84% chance of some rain and a light breeze of 7 mph from the east.

84
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
8
UV index (Very High)
84
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
7
mph wind from E

French Guiana weather for Saturday 3rd May 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 81% chance of some rain and a light breeze of 7 mph from the east.

84
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
81
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
7
mph wind from E

French Guiana weather for Sunday 4th May 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 78% chance of some rain and a light breeze of 7 mph from the east.

84
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
78
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
7
mph wind from E

French Guiana weather for Monday 5th May 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 77% chance of some rain and a light breeze of 7 mph from the east.