Cayenne weather live forecast

Today's maximum temperature in Cayenne is expected to be 84°F. Select a day from the live weather forecast for Cayenne, French Guiana for more weather parameters.

Thursday
16th Oct
84

81

6

9
Friday
17th Oct
84

81

8

11
Saturday
18th Oct
88

79

4

11
Sunday
19th Oct
86

79

4

11
Monday
20th Oct
84

81

6

11

5-day weather forecast updated at 04:00 on Thursday 16th October 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.

Cayenne weather forecast by day

Below are the detailed weather forecasts for Cayenne for the next 5 days.

Cayenne weather for Thursday 16th October 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a light breeze of 7 mph from the east.

84
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
47
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
7
mph wind from E

Cayenne weather for Friday 17th October 2025

Expect scattered clouds in Cayenne, French Guiana with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the east.

84
°F maximum temperature
81
°F minimum temperature
scattered clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
8
mph wind from E

Cayenne weather for Saturday 18th October 2025

Expect broken clouds in Cayenne, French Guiana with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the east.

88
°F maximum temperature
79
°F minimum temperature
broken clouds
4
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
9
mph wind from E

Cayenne weather for Sunday 19th October 2025

Expect broken clouds in Cayenne, French Guiana with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the east.

86
°F maximum temperature
79
°F minimum temperature
broken clouds
4
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
8
mph wind from E

Cayenne weather for Monday 20th October 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 64% chance of some rain and a light breeze of 7 mph from the north-east.