Cayenne weather live forecast

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

Friday
18th Jul

30

25

3
Saturday
19th Jul

29

25

3
Sunday
20th Jul

30

25

5
Monday
21st Jul

31

25

6
Tuesday
22nd Jul

31

25

6

5-day weather forecast updated at 04:00 on Friday 18th July 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.

Cayenne weather forecast by day

Below are the detailed weather forecasts for Cayenne for the next 5 days.

Cayenne weather for Friday 18th July 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 75% chance of some rain and a light breeze of 8 kph from the east.

30
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
8
UV index (Very High)
75
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
8
kph wind from E

Cayenne weather for Saturday 19th July 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 69% chance of some rain and a light breeze of 9 kph from the east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
10
UV index (Very High)
69
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from E

Cayenne weather for Sunday 20th July 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 83% chance of some rain and a light breeze of 7 kph from the east.

30
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
83
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
7
kph wind from E

Cayenne weather for Monday 21st July 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 80% chance of some rain and a light breeze of 8 kph from the east.

31
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
80
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
8
kph wind from E

Cayenne weather for Tuesday 22nd July 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 77% chance of some rain and a light breeze of 11 kph from the east.