French Guiana weather live forecast

Today's maximum temperature in French Guiana is expected to be 86°F. Select a day from the live weather forecast for French Guiana (Cayenne) for more weather parameters.

Monday
10th Nov
86

81

7

10
Tuesday
11th Nov
86

81

6

10
Wednesday
12th Nov
86

79

6

9
Thursday
13th Nov
86

79

5

11
Friday
14th Nov
84

79

8

11

5-day weather forecast updated at 04:00 on Sunday 9th November 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 Monday 10th November 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 41% chance of some rain and a gentle breeze of 9 mph from the east.

86
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
41
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
9
mph wind from E

French Guiana weather for Tuesday 11th November 2025

Expect broken clouds in French Guiana with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the east.

86
°F maximum temperature
81
°F minimum temperature
broken clouds
6
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
7
mph wind from E

French Guiana weather for Wednesday 12th November 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 43% chance of some rain and a light breeze of 7 mph from the east.

86
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
43
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
7
mph wind from E

French Guiana weather for Thursday 13th November 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 51% chance of some rain and a light breeze of 7 mph from the east.

86
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
11
UV index (Extreme)
51
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
7
mph wind from E

French Guiana weather for Friday 14th November 2025

Expect broken clouds in French Guiana with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the east.