Weather forecast for todayGuisanbourg, French Guiana

Weather forecast for today

Current condition 14:22 -03

  • 30°C
  • Feels like:
    36°C
Mostly Cloudy
Mostly Cloudy
  • Precipitation: 0mm
  • Wind: 19km/hNE 50°
  • Humidity: 73%
  • Dewpoint: 24°C
  • Pressure: 1011.85mbar
  • Visibility: 16.09km
  • UV index: 7
  • ▼
In Guisanbourg, at the moment, the weather remains predominantly cloudy, with little sunshine expected.
The temperature is a hot 30°C, and the felt air temperature of which modifies the air temperature to account for humidity comes in at estimated at a very hot 36°C. The current temperature is nearly at the maximum of today's predicted 31°C.

Sunday 15. Nov 2026

  • 31°C
  • 22°C
Thunderstorms
Thunderstorms
  • Precip. probability: 99%
  • Precipitation: 16mm
  • Wind: 20km/hNE 56°
  • Humidity: 83%
  • UV index: 7
  • Sunrise: 06:14 -03
  • Sunset: 18:09 -03
  • ▼
On Sunday, in Guisanbourg, expect thunderstorm activity to continue.
The chance of rainfall for today is high, and precipitation will be moderate. Temperatures will oscillate between a hot 31°C at their highest and a pleasant 22°C at their lowest.
The maximum heat index, which indicates how humid air affects the felt temperature, is evaluated at a blisteringly hot 42°C. Note that heat index values are valued for light wind and location in the shade. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Sunrise was at 06:14 and sunset will be at 18:09; the daylight will last for 11h and 55min.

Hourly overview

Hourly temperatures

Warmest hour: 17h 33°C.
Coldest hour: 21h 26°C.

Chance of precipitation

Highest chance: 18h 99%.

Hourly weather forecast

  • 15h
  • 28°C
  • Feels like:
    32°C
Thunderstorms
Thunderstorms
  • Precip. probability: 82%
  • Precipitation: 2mm
  • Wind: 19km/hENE 58°
  • Humidity: 82%
  • Pressure: 1011mbar
  • Visibility: 6km
  • UV index: 3
  • ▼
  • 16h
  • 28°C
  • Feels like:
    32°C
Thunderstorms
Thunderstorms
  • Precip. probability: 79%
  • Precipitation: 1mm
  • Wind: 18km/hENE 60°
  • Humidity: 82%
  • Pressure: 1011mbar
  • Visibility: 10km
  • UV index: 2
  • ▼
  • 17h
  • 28°C
  • Feels like:
    33°C
Thunderstorms
Thunderstorms
  • Precip. probability: 91%
  • Precipitation: 2mm
  • Wind: 16km/hENE 56°
  • Humidity: 81%
  • Pressure: 1011mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 18h
  • 27°C
  • Feels like:
    32°C
Thunderstorms
Thunderstorms
  • Precip. probability: 99%
  • Precipitation: 2mm
  • Wind: 11km/hNE 54°
  • Humidity: 86%
  • Pressure: 1011mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
Sunset: 18:09
  • 19h
  • 26°C
  • Feels like:
    30°C
Light Rain
Light Rain
  • Precip. probability: 93%
  • Precipitation: 1mm
  • Wind: 7km/hNE 45°
  • Humidity: 91%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 20h
  • 26°C
  • Feels like:
    30°C
Showers
Showers
  • Precip. probability: 62%
  • Precipitation: 1mm
  • Wind: 7km/hNE 46°
  • Humidity: 92%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 21h
  • 26°C
  • Feels like:
    26°C
Showers
Showers
  • Precip. probability: 64%
  • Precipitation: 1mm
  • Wind: 6km/hNE 44°
  • Humidity: 93%
  • Pressure: 1013mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 22h
  • 25°C
  • Feels like:
    29°C
Showers
Showers
  • Precip. probability: 56%
  • Precipitation: 1mm
  • Wind: 5km/hNNE 33°
  • Humidity: 95%
  • Pressure: 1013mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
  • 23h
  • 25°C
  • Feels like:
    28°C
Showers
Showers
  • Precip. probability: 78%
  • Precipitation: 2mm
  • Wind: 5km/hNE 37°
  • Humidity: 96%
  • Pressure: 1013mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
  • 0h
  • 25°C
  • Feels like:
    28°C
Rain
Rain
  • Precip. probability: 94%
  • Precipitation: 2mm
  • Wind: 5km/hNE 49°
  • Humidity: 97%
  • Pressure: 1012mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
For the remainder of Sunday, a combination of rain-filled and unstable weather is anticipated.
Rainfall is expected for the rest of the day, with precipitation varying from a minimal 1mm to a maximum of 2mm. The most intense rain will be falling at 15h, 17h, 18h and 23h.
The temperature will be between a maximum of 28°C and a minimum of 25°C. The feels-like temperature will vary between the lowest temperature of 26°C and the highest temperature of 33°C. The warmest part of the day will be from 15h to 17h.
Updated: Nov 15, 2026 @ 17:22:14 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (14:22 -03) it is 30°C in Guisanbourg. Feels-like temperature is 36°C.

On Sunday, storm chances remain present.

Moderate precipitation of 16mm is anticipated. The chance of rainfall is high at 99%.

Today, the highest temperature will be 31°C, while the lowest temperature will be 22°C. The maximum heat index, which represents the influence of relative humidity on air temperature, is estimated at 42°C.

On Sunday, in Guisanbourg, sunrise was at 06:14 and sunset will be at 18:09 (-03).

In Guisanbourg, today, there will be 11h and 55min of daylight.