French Guiana weather live forecast

Tomorrow's maximum temperature in French Guiana is expected to be 27°C.

Wednesday
12th Mar

27

26

3
Thursday
13th Mar

28

26

5
Friday
14th Mar

27

26

3
Saturday
15th Mar

28

26

3
Sunday
16th Mar

28

26

4

5-day weather forecast updated at 04:00 on Wednesday 12th March 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 Wednesday 12th March 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 68% chance of some rain and a light breeze of 12 kph from the east.

27
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
10
UV index (Very High)
68
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
12
kph wind from E

French Guiana weather for Thursday 13th March 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 51% chance of some rain and a light breeze of 12 kph from the east.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
10
UV index (Very High)
51
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from E

French Guiana weather for Friday 14th March 2025

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 10-20 mm of rainfall expected with 71% chance of some rain and a light breeze of 11 kph from the east.

27
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
6
UV index (High)
71
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
11
kph wind from E

French Guiana weather for Saturday 15th March 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 72% chance of some rain and a light breeze of 12 kph from the east.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
10
UV index (Very High)
72
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
12
kph wind from E

French Guiana weather for Sunday 16th March 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 83% chance of some rain and a gentle breeze of 13 kph from the east.