French Guiana weather live forecast

Today's maximum temperature in French Guiana is expected to be 28°C. Select a day from the live weather forecast for French Guiana (Cayenne) for more weather parameters.

Tuesday
18th Nov
28

27

6

7
Wednesday
19th Nov
29

27

6

10
Thursday
20th Nov
30

27

7

10
Friday
21st Nov
30

26

6

10
Saturday
22nd Nov
30

27

6

11

5-day weather forecast updated at 04:00 on Tuesday 18th 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 Tuesday 18th November 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 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a light breeze of 7 kph from the east.

28
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
7
UV index (High)
34
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
7
kph wind from E

French Guiana weather for Wednesday 19th November 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 30% chance of some rain and a light breeze of 11 kph from the east.

29
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
10
UV index (Very High)
30
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from E

French Guiana weather for Thursday 20th November 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a light breeze of 11 kph from the east.

30
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
42
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from E

French Guiana weather for Friday 21st November 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (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 12 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
10
UV index (Very High)
43
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from E

French Guiana weather for Saturday 22nd November 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 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a light breeze of 12 kph from the east.