Weather forecast for todayGuisanbourg, French Guiana

Weather forecast for today

Current condition 08:56 -03

  • 29°C
  • Feels like:
    34°C
Mostly Cloudy
Mostly Cloudy
  • Precipitation: 0mm
  • Wind: 10km/hE 80°
  • Humidity: 81%
  • Dewpoint: 25°C
  • Pressure: 1014.9mbar
  • Visibility: 11.27km
  • UV index: 4
  • ▼
In Guisanbourg, currently, predominantly cloudy skies are keeping the sun hidden.
The temperature is a temperate 29°C, and the felt air temperature of which modifies the air temperature to account for humidity comes in at calculated to be a humid 34°C. The current temperature is nearly at the maximum expected 31°C for today.

Friday 13. Nov 2026

  • 31°C
  • 23°C
Thunderstorms
Thunderstorms
  • Precip. probability: 94%
  • Precipitation: 12mm
  • Wind: 21km/hENE 77°
  • Humidity: 76%
  • UV index: 10
  • Sunrise: 06:14 -03
  • Sunset: 18:09 -03
  • ▼
Today, thunderstorms are expected.
The likelihood of rainfall is high, and precipitation will be moderate. The temperature is anticipated to vary between a maximum of a humid 31°C and a minimum of a warm 23°C.
The maximum heat index, which represents the influence of relative humidity on air temperature, is assessed at a blisteringly hot 40°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values 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 56min.

Hourly overview

Hourly temperatures

Warmest hour: 11h 36°C.
Coldest hour: 23h 29°C.

Chance of precipitation

Highest chance: 15h 92%.

Hourly weather forecast

  • 9h
  • 29°C
  • Feels like:
    35°C
Showers
Showers
  • Precip. probability: 54%
  • Precipitation: 1mm
  • Wind: 9km/hE 89°
  • Humidity: 80%
  • Pressure: 1014mbar
  • Visibility: 11km
  • UV index: 4
  • ▼
  • 10h
  • 30°C
  • Feels like:
    36°C
Showers
Showers
  • Precip. probability: 58%
  • Precipitation: 1mm
  • Wind: 15km/hE 82°
  • Humidity: 73%
  • Pressure: 1014mbar
  • Visibility: 11km
  • UV index: 6
  • ▼
  • 11h
  • 30°C
  • Feels like:
    36°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 68%
  • Precipitation: 1mm
  • Wind: 16km/hE 85°
  • Humidity: 72%
  • Pressure: 1014mbar
  • Visibility: 11km
  • UV index: 10
  • ▼
  • 12h
  • 31°C
  • Feels like:
    37°C
Thunderstorms
Thunderstorms
  • Precip. probability: 88%
  • Precipitation: 2mm
  • Wind: 19km/hENE 74°
  • Humidity: 70%
  • Pressure: 1014mbar
  • Visibility: 10km
  • UV index: 9
  • ▼
  • 13h
  • 29°C
  • Feels like:
    33°C
Thunderstorms
Thunderstorms
  • Precip. probability: 89%
  • Precipitation: 2mm
  • Wind: 19km/hENE 71°
  • Humidity: 77%
  • Pressure: 1013mbar
  • Visibility: 6km
  • UV index: 8
  • ▼
  • 14h
  • 29°C
  • Feels like:
    34°C
Thunderstorms
Thunderstorms
  • Precip. probability: 94%
  • Precipitation: 2mm
  • Wind: 20km/hENE 71°
  • Humidity: 76%
  • Pressure: 1012mbar
  • Visibility: 6km
  • UV index: 5
  • ▼
  • 15h
  • 29°C
  • Feels like:
    34°C
Thunderstorms
Thunderstorms
  • Precip. probability: 92%
  • Precipitation: 1mm
  • Wind: 21km/hENE 73°
  • Humidity: 76%
  • Pressure: 1011mbar
  • Visibility: 6km
  • UV index: 4
  • ▼
  • 16h
  • 29°C
  • Feels like:
    35°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 56%
  • Precipitation: 1mm
  • Wind: 19km/hENE 73°
  • Humidity: 75%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 2
  • ▼
  • 17h
  • 29°C
  • Feels like:
    34°C
Thunderstorms
Thunderstorms
  • Precip. probability: 74%
  • Precipitation: 2mm
  • Wind: 17km/hENE 73°
  • Humidity: 79%
  • Pressure: 1012mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
  • 18h
  • 28°C
  • Feels like:
    32°C
Showers
Showers
  • Precip. probability: 56%
  • Precipitation: 1mm
  • Wind: 12km/hE 80°
  • Humidity: 85%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
Sunset: 18:09
  • 19h
  • 27°C
  • Feels like:
    31°C
Few Showers
Few Showers
  • Precip. probability: 31%
  • Precipitation: 1mm
  • Wind: 8km/hENE 74°
  • Humidity: 89%
  • Pressure: 1013mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 20h
  • 26°C
  • Feels like:
    31°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 6km/hE 83°
  • Humidity: 90%
  • Pressure: 1013mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 21h
  • 26°C
  • Feels like:
    30°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 5km/hE 94°
  • Humidity: 92%
  • Pressure: 1014mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    30°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 3km/hE 92°
  • Humidity: 93%
  • Pressure: 1014mbar
  • Visibility: 13km
  • UV index: 0
  • ▼
  • 23h
  • 25°C
  • Feels like:
    29°C
Few Showers
Few Showers
  • Precip. probability: 31%
  • Precipitation: 1mm
  • Wind: 3km/hE 97°
  • Humidity: 95%
  • Pressure: 1013mbar
  • Visibility: 13km
  • UV index: 0
  • ▼
Today, a combination of lightning-active, rain-filled and cloudy weather is expected.
Rainfall is expected from 9h to 19h and at 23h. With light precipitation of 2mm, the most intense rain will be falling from 12h to 14h and at 17h.
The temperature will vary between a minimum of 25°C and a maximum of 31°C. The feels-like temperature will vary between the highest temperature of 37°C and the lowest temperature of 29°C. The hottest part of the day is expected around noon.
Updated: Nov 13, 2026 @ 11:56:17 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (08:56 -03) it is 29°C in Guisanbourg. Feels-like temperature is 34°C.

On Friday, storm chances remain present.

Moderate precipitation of 12mm is anticipated. The chance of rainfall is high at 94%.

Today, the maximum temperature will be 31°C, while the minimum temperature will be 23°C. The maximum heat index, which combines relative humidity and air temperature, is assessed at 40°C.

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

Today in Guisanbourg, the daylight will last for 11h and 56min.