French Guiana weather live forecast

Tomorrow's maximum temperature in French Guiana is expected to be 86°F.

Monday
14th Apr

86

81

5
Tuesday
15th Apr

82

79

1
Wednesday
16th Apr

82

79

3
Thursday
17th Apr

84

79

3
Friday
18th Apr

84

79

4

5-day weather forecast updated at 04:00 on Monday 14th April 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 Monday 14th April 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 58% chance of some rain and a gentle breeze of 9 mph from the north-east.

86
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
11
UV index (Extreme)
58
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
9
mph wind from NE

French Guiana weather for Tuesday 15th April 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 87% chance of some rain and a light breeze of 7 mph from the east.

82
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
1
hour of sunshine
6
UV index (High)
87
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
7
mph wind from E

French Guiana weather for Wednesday 16th April 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 82°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 89% chance of some rain and a light breeze of 7 mph from the east.

82
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
3
hours of sunshine
9
UV index (Very High)
89
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
7
mph wind from E

French Guiana weather for Thursday 17th April 2025

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 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 76% chance of some rain and a gentle breeze of 8 mph from the east.

84
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
3
hours of sunshine
10
UV index (Very High)
76
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
8
mph wind from E

French Guiana weather for Friday 18th April 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 82% chance of some rain and a light breeze of 7 mph from the east.