Cayenne weather live forecast

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

Wednesday
18th Mar
28

25

2

7
Thursday
19th Mar
28

24

3

7
Friday
20th Mar
28

24

3

6
Saturday
21st Mar
28

25

4

6
Sunday
22nd Mar
29

25

4

4

5-day weather forecast updated at 04:00 on Wednesday 18th March 2026 GMT

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Recommended for French Guiana

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 Wednesday 18th March 2026

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and a gentle breeze of 13 kph from the north-east.

28
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
7
UV index (High)
55
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
13
kph wind from NE

Cayenne weather for Thursday 19th March 2026

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 73% chance of some rain and a light breeze of 10 kph from the north-east.

28
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
7
UV index (High)
73
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
10
kph wind from NE

Cayenne weather for Friday 20th March 2026

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 64% chance of some rain and a light breeze of 9 kph from the north-east.

28
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
6
UV index (High)
64
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from NE

Cayenne weather for Saturday 21st March 2026

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 83% chance of some rain and a light breeze of 9 kph from the east.

28
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
6
UV index (High)
83
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
9
kph wind from E

Cayenne weather for Sunday 22nd March 2026

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 79% chance of some rain and a light breeze of 9 kph from the east.