French Guiana weather live forecast

Tomorrow's maximum temperature in French Guiana is expected to be 28°C.

Friday
14th Mar

28

27

4
Saturday
15th Mar

28

26

3
Sunday
16th Mar

29

27

4
Monday
17th Mar

30

27

6
Tuesday
18th Mar

29

27

6

5-day weather forecast updated at 04:00 on Friday 14th 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 Friday 14th March 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 73% chance of some rain and a light breeze of 11 kph from the east.

28
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
9
UV index (Very High)
73
% chance of some rain
<10
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, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 49% 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
11
UV index (Extreme)
49
% chance of some rain
<10
mm of rainfall expected
M
moderate 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 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 72% chance of some rain and a gentle breeze of 14 kph from the east.

29
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
11
UV index (Extreme)
72
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from E

French Guiana weather for Monday 17th March 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 2-5 mm of rainfall expected with 68% chance of some rain and a gentle breeze of 15 kph from the east.

30
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
68
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from E

French Guiana weather for Tuesday 18th March 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 29°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 76% chance of some rain and a gentle breeze of 15 kph from the east.