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.

Sunday
1st Mar
28

26

5

9
Monday
2nd Mar
28

26

6

11
Tuesday
3rd Mar
29

26

3

10
Wednesday
4th Mar
27

26

3

6
Thursday
5th Mar
28

26

2

11

5-day weather forecast updated at 04:01 on Sunday 1st March 2026 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 Sunday 1st March 2026

Expect mostly cloudy with light rain in French Guiana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 43% chance of some rain and a gentle breeze of 16 kph from the north-east.

28
°C maximum temperature
26
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
9
UV index (Very High)
43
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
16
kph wind from NE

French Guiana weather for Monday 2nd March 2026

Expect sunshine and showers in French Guiana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 52% chance of some rain and a gentle breeze of 14 kph from the north-east.

28
°C maximum temperature
26
°C minimum temperature
sunshine and showers
6
hours of sunshine
11
UV index (Extreme)
52
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
14
kph wind from NE

French Guiana weather for Tuesday 3rd March 2026

Expect mostly cloudy with light rain in 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 63% chance of some rain and a gentle breeze of 13 kph from the north-east.

29
°C maximum temperature
26
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
10
UV index (Very High)
63
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from NE

French Guiana weather for Wednesday 4th March 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 87% chance of some rain and a light breeze of 12 kph from the north-east.

27
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
6
UV index (High)
87
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
12
kph wind from NE

French Guiana weather for Thursday 5th March 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 87% chance of some rain and a light breeze of 12 kph from the north-east.