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.

Wednesday
28th Jan
28

25

4

8
Thursday
29th Jan
29

25

4

6
Friday
30th Jan
29

25

4

7
Saturday
31st Jan
29

25

4

9
Sunday
1st Feb
29

25

5

11

5-day weather forecast updated at 04:00 on Wednesday 28th January 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 Wednesday 28th January 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 58% 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
8
UV index (Very High)
58
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from E

French Guiana weather for Thursday 29th January 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 73% chance of some rain and a light breeze of 12 kph from the east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
6
UV index (High)
73
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from E

French Guiana weather for Friday 30th January 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 63% chance of some rain and a gentle breeze of 14 kph from the east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
63
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from E

French Guiana weather for Saturday 31st January 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 66% chance of some rain and a gentle breeze of 15 kph from the north-east.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
9
UV index (Very High)
66
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from NE

French Guiana weather for Sunday 1st February 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a gentle breeze of 16 kph from the north-east.