Weather forecast for todayBarthélemy, French Guiana

Weather forecast for today

Current condition 06:29 -03

  • 23°C
  • Feels like:
    23°C
Fair
Fair
  • Precipitation: 0mm
  • Wind: 3km/hSE 140°
  • Humidity: 99%
  • Dewpoint: 22°C
  • Pressure: 1011.85mbar
  • Visibility: 12.87km
  • UV index: 0
  • ▼
Currently, in Barthélemy, the weather is fair with a calm and pleasant atmosphere.
The temperature is a temperate 23°C. The current temperature is near the lowest predicted 22°C for today.

Monday 19. Oct 2026

  • 36°C
  • 22°C
PM Showers
PM Showers
  • Precip. probability: 32%
  • Precipitation: 1mm
  • Wind: 16km/hE 91°
  • Humidity: 67%
  • UV index: 11
  • Sunrise: 06:14 -03
  • Sunset: 18:15 -03
  • ▼
Today, in Barthélemy, expect light rain showers during the afternoon, though they should remain brief.
Minimal precipitation is predicted. Temperature is forecasted to swing from a high of a sweltering 36°C to a low of a pleasant 22°C.
The maximum heat index, which combines relative humidity and air temperature, is estimated at a dangerously hot 52°C. Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The highest temperature is forecasted to be a couple of degrees higher than the average October peak of 31.6°C.
Sunrise was at 06:14 and sunset will be at 18:15; the daylight will last for 12h and 1min.

Hourly overview

Hourly temperatures

Warmest hour: 13h 40°C.
Coldest hour: 7h 23°C.

Chance of precipitation

Highest chance: 15h 32%.

Hourly weather forecast

  • 7h
  • 23°C
  • Feels like:
    23°C
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 3km/hSE 146°
  • Humidity: 99%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 8h
  • 26°C
  • Feels like:
    29°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 5km/hESE 106°
  • Humidity: 90%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 9h
  • 29°C
  • Feels like:
    33°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 11km/hE 100°
  • Humidity: 76%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 5
  • ▼
  • 10h
  • 31°C
  • Feels like:
    36°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 13km/hE 93°
  • Humidity: 66%
  • Pressure: 1013mbar
  • Visibility: 16km
  • UV index: 8
  • ▼
  • 11h
  • 32°C
  • Feels like:
    38°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 15km/hE 90°
  • Humidity: 59%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 12h
  • 33°C
  • Feels like:
    39°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 14km/hE 85°
  • Humidity: 54%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 13h
  • 34°C
  • Feels like:
    40°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 14km/hE 84°
  • Humidity: 51%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 14h
  • 35°C
  • Feels like:
    40°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 15km/hE 86°
  • Humidity: 49%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 7
  • ▼
  • 15h
  • 34°C
  • Feels like:
    39°C
Few Showers
Few Showers
  • Precip. probability: 32%
  • Precipitation: 1mm
  • Wind: 16km/hE 87°
  • Humidity: 50%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 6
  • ▼
  • 16h
  • 34°C
  • Feels like:
    39°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 16km/hE 80°
  • Humidity: 52%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 17h
  • 32°C
  • Feels like:
    37°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 15km/hENE 70°
  • Humidity: 59%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 18h
  • 30°C
  • Feels like:
    35°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 13km/hENE 70°
  • Humidity: 67%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 18:15
  • 19h
  • 29°C
  • Feels like:
    33°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 9km/hENE 63°
  • Humidity: 74%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 28°C
  • Feels like:
    32°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 8km/hENE 65°
  • Humidity: 78%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 21h
  • 27°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 7km/hENE 71°
  • Humidity: 82%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    29°C
Mostly Clear
Mostly Clear
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 6km/hE 82°
  • Humidity: 85%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 23h
  • 25°C
  • Feels like:
    29°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 5km/hE 92°
  • Humidity: 89%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Today, a combination of primarily cloudy and occasionally bright and wet weather is predicted.
With a probability of 32%, minimal rainfall is predicted at midnight.
The temperature will vary between a minimum of 23°C and a maximum of 35°C. The feels-like temperature will be between a maximum of 40°C and a minimum of 23°C. The hottest part of the day is anticipated around 14h.
The temperature is expected to be slightly warmer than the average peak in October, which is 31.6°C. The minimum temperature will be also slightly cooler than October's average low of 24.8°C.
October stands out as the hottest month in Barthélemy, with an average high-temperature of 31.6°C and a low of 24.8°C.
Updated: Oct 19, 2026 @ 09:29:16 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (06:29 -03) it is 23°C in Barthélemy.

On Monday, in Barthélemy, a chance of afternoon showers exists, so it may be a good idea to keep an umbrella handy.

Today, there is a low probability of minimal rainfall in Barthélemy.

Today, the highest temperature will be 36°C, while the lowest temperature will be 22°C. The maximum heat index, which represents the influence of relative humidity on air temperature, is assessed at 52°C.
The maximum temperature will be relatively higher than the average highest temperature of 31.6°C in October. The lowest temperature will be also relatively lower than the average low of 24.8°C.

On Monday, in Barthélemy, sunrise was at 06:14 and sunset will be at 18:15 (-03).

In Barthélemy, today, there will be 12h and 1min of daylight.