Weather forecast for todayCayenne, French Guiana

Weather forecast for today

Current condition 00:58 -03

  • 26°C
  • Feels like:
    26°C
Fair
Fair
  • Precipitation: 0mm
  • Wind: 2km/hSSE 150°
  • Humidity: 89%
  • Dewpoint: 23°C
  • Pressure: 1012.19mbar
  • Visibility: 9.66km
  • UV index: 0
  • ▼
In Cayenne, at the moment, warm temperatures and a mostly clear sky create a relaxing setting.
The temperature is a temperate 26°C. The current temperature is near the lowest expected 24°C for today.

Monday 19. Oct 2026

  • 32°C
  • 24°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 25km/hE 96°
  • Humidity: 70%
  • UV index: 11
  • Sunrise: 06:14 -03
  • Sunset: 18:14 -03
  • ▼
On Monday, in Cayenne, a glowing sky and minimal clouds are expected.
Temperature fluctuations between a humid 32°C and a temperate 24°C are forecasted.
The maximum heat index, which integrates air moisture with ambient temperature, is computed to be a blisteringly hot 40°C. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The predicted maximum temperature will closely reflect October's average high of 32.2°C.
Sunrise will be at 06:14 and sunset at 18:14; the daylight will last for 12h and 0min.

Hourly overview

Hourly temperatures

Warmest hour: 13h 37°C.
Coldest period: 4h - 7h 25°C.

Chance of precipitation

Highest chance: 22h 24%.

Hourly weather forecast

  • 2h
  • 25°C
  • Feels like:
    25°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 3km/hESE 123°
  • Humidity: 91%
  • Pressure: 1011mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 4h
  • 25°C
  • Feels like:
    25°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 7km/hSE 127°
  • Humidity: 92%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 6h
  • 25°C
  • Feels like:
    25°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 8km/hSE 127°
  • Humidity: 93%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunrise: 06:14
  • 8h
  • 27°C
  • Feels like:
    31°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 10km/hESE 118°
  • Humidity: 85%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 10h
  • 30°C
  • Feels like:
    35°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 18km/hESE 107°
  • Humidity: 67%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 10
  • ▼
  • 12h
  • 31°C
  • Feels like:
    36°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 22km/hE 88°
  • Humidity: 63%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 14h
  • 31°C
  • Feels like:
    37°C
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 23km/hE 83°
  • Humidity: 62%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 16h
  • 31°C
  • Feels like:
    36°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 25km/hE 82°
  • Humidity: 66%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 18h
  • 29°C
  • Feels like:
    34°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 22km/hE 88°
  • Humidity: 72%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 18:14
  • 20h
  • 28°C
  • Feels like:
    33°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 15km/hE 97°
  • Humidity: 79%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 27°C
  • Feels like:
    32°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 13km/hESE 107°
  • Humidity: 84%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Today, in Cayenne, a combination of cloudy and sunny weather is expected.
The temperature will vary between a minimum of 25°C and a maximum of 31°C. The feels-like temperature will be between a maximum of 37°C and a minimum of 25°C. The hottest part of the day will be from 11h to 16h.
The maximum temperature will be alike with October's average highest temperature of 32.2°C. The lowest temperature is also close to October's typical minimum of 22.3°C.
In Cayenne, October experiences the warmest weather, with highs averaging 32.2°C and lows around 22.3°C.
Updated: Oct 19, 2026 @ 03:58:56 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (00:58 -03) is 26°C.

On Monday, mostly sunny skies are expected.

Today, the maximum temperature will be 32°C, while the minimum temperature will be 24°C. The maximum heat index, which adjusts the air temperature based on humidity, is calculated to be 40°C.
The maximum temperature will be in line with the average highest temperature of 32.2°C in October. The lowest temperature will be also in line with the average low of 22.3°C.

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

In Cayenne, today, there will be 12h and 0min of daylight.