French Guiana weather live forecast

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

Tuesday
3rd Jun

82

79

2
Wednesday
4th Jun

82

77

4
Thursday
5th Jun

84

77

4
Friday
6th Jun

84

77

4
Saturday
7th Jun

82

77

3

5-day weather forecast updated at 04:00 on Tuesday 3rd 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 Tuesday 3rd June 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 90% 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
9
UV index (Very High)
90
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
7
mph wind from E

French Guiana weather for Wednesday 4th June 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 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 80% chance of some rain and a light breeze of 7 mph from the east.

82
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
8
UV index (Very High)
80
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
7
mph wind from E

French Guiana weather for Thursday 5th June 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 78% chance of some rain and a gentle breeze of 8 mph from the east.

84
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
10
UV index (Very High)
78
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
8
mph wind from E

French Guiana weather for Friday 6th June 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 10-20 mm of rainfall expected with 85% chance of some rain and a light breeze of 6 mph from the east.

84
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
85
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
6
mph wind from E

French Guiana weather for Saturday 7th June 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 3 hours of bright sunshine. There are 30-40 mm of rainfall expected with 87% chance of some rain and a light breeze of 6 mph from the east.