Weather forecast for todayRoche Serpent, French Guiana

Weather forecast for today

Current condition 14:52 -03

  • 33°C
  • Feels like:
    40°C
Mostly Cloudy
Mostly Cloudy
  • Precipitation: 0mm
  • Wind: 13km/hENE 70°
  • Humidity: 56%
  • Dewpoint: 23°C
  • Pressure: 1009.14mbar
  • Visibility: 16.09km
  • UV index: 6
  • ▼
At the moment, in Roche Serpent, the sun is struggling to break through the mostly cloudy sky.
The temperature is a humid 33°C, the real-feel temperature, which adjusts the air temperature based on humidity, registers as evaluated at an extremely hot 40°C. The current temperature is nearly at the maximum of today's 34°C.

Sunday 18. Oct 2026

  • 34°C
  • 22°C
Thunderstorms
Thunderstorms
  • Precip. probability: 88%
  • Precipitation: 2mm
  • Wind: 14km/hNE 56°
  • Humidity: 79%
  • UV index: 8
  • Sunrise: 06:17 -03
  • Sunset: 18:17 -03
  • ▼
On Sunday, in Roche Serpent, storm systems may continue to produce thunderstorms.
Minimal precipitation is forecasted for today. Temperatures are expected to range from a maximum of a tropical 34°C to a minimum of an agreeable 22°C.
The maximum heat index, which modifies the air temperature to account for humidity, is calculated to be a dangerously hot 52°C. Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Today, the forecasted high will be slightly warmer than October's typical maximum of 30.9°C.
Sunrise was at 06:17 and sunset will be at 18:17; the daylight will last for 12h and 1min.

Hourly overview

Hourly temperatures

Warmest hour: 17h 37°C.
Coldest hour: 0h 28°C.

Chance of precipitation

Highest chance: 15h 90%.

Hourly weather forecast

  • 15h
  • 27°C
  • Feels like:
    30°C
Thunderstorms
Thunderstorms
  • Precip. probability: 90%
  • Precipitation: 1mm
  • Wind: 14km/hENE 64°
  • Humidity: 82%
  • Pressure: 1009mbar
  • Visibility: 10km
  • UV index: 5
  • ▼
  • 16h
  • 27°C
  • Feels like:
    32°C
Thunderstorms
Thunderstorms
  • Precip. probability: 62%
  • Precipitation: 0mm
  • Wind: 11km/hENE 63°
  • Humidity: 82%
  • Pressure: 1009mbar
  • Visibility: 10km
  • UV index: 2
  • ▼
  • 17h
  • 31°C
  • Feels like:
    37°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 13km/hNE 50°
  • Humidity: 68%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 18h
  • 29°C
  • Feels like:
    35°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 11km/hNE 46°
  • Humidity: 78%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 18:17
  • 19h
  • 28°C
  • Feels like:
    33°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 8km/hNE 43°
  • Humidity: 84%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 27°C
  • Feels like:
    31°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 7km/hNE 41°
  • Humidity: 88%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 21h
  • 26°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 6km/hNE 41°
  • Humidity: 89%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    29°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 5km/hNE 46°
  • Humidity: 92%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 23h
  • 25°C
  • Feels like:
    29°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 4km/hNE 53°
  • Humidity: 95%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 0h
  • 25°C
  • Feels like:
    28°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 3km/hENE 65°
  • Humidity: 97%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
For the rest of Sunday, primarily cloud-filled and occasionally stormy weather is predicted.
With a 90% probability, minimal rainfall is predicted at midnight.
The temperature will vary between the highest temperature of 31°C and the lowest temperature of 25°C. The feels-like temperature will vary between a maximum of 37°C and a minimum of 29°C. The hottest part of the day is anticipated around 17h.
Today, expect temperatures a few degrees higher than what is usual for October. The lowest temperature is expected to be also a couple of degrees lower than the average minimum in October, typically 25°C.
The warmest months in Roche Serpent are September and October, with an average high-temperature of 30.9°C.
Updated: Oct 18, 2026 @ 17:52:48 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 14:52 -03 is 33°C. Feels-like temperature is 40°C.

On Sunday, thunderstorms are expected.

There is a high probability of rainfall. Precipitation will be minimal.

Today, the highest temperature will be 34°C, while the lowest temperature will be 22°C. The maximum heat index, which represents the influence of relative humidity on air temperature, is computed to be 52°C.
Today, the maximum temperature will be moderately higher than the average highest temperature in October. The lowest temperature will be also moderately lower than the average low of 25°C.

On Sunday, in Roche Serpent, sunrise was at 06:17 and sunset will be at 18:17 (-03).

In Roche Serpent, the length of the day today will be 12h and 1min.