French Guiana weather live forecast

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

Tuesday
24th Feb
84

81

5

10
Wednesday
25th Feb
84

81

4

7
Thursday
26th Feb
84

79

6

9
Friday
27th Feb
84

79

7

9
Saturday
28th Feb
84

77

6

9

5-day weather forecast updated at 04:01 on Tuesday 24th February 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 Tuesday 24th February 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a gentle breeze of 11 mph from the north-east.

84
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
10
UV index (Very High)
41
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
11
mph wind from NE

French Guiana weather for Wednesday 25th February 2026

Expect isolated thunderstorms in French Guiana with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 64% chance of some rain and a gentle breeze of 11 mph from the north-east.

84
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
64
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
11
mph wind from NE

French Guiana weather for Thursday 26th February 2026

Expect broken clouds in 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 mm of rainfall expected and a gentle breeze of 11 mph from the north-east.

84
°F maximum temperature
79
°F minimum temperature
broken clouds
6
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
11
mph wind from NE

French Guiana weather for Friday 27th February 2026

Expect broken clouds in French Guiana with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the north-east.