Weather forecast for todayCayenne, French Guiana

Weather forecast for today

Current condition 10:06 -03

  • 30°C
  • Feels like:
    36°C
Mostly Cloudy
Mostly Cloudy
  • Precipitation: 0mm
  • Wind: 10km/hSSE 160°
  • Humidity: 71%
  • Dewpoint: 24°C
  • Pressure: 1013.21mbar
  • Visibility: 9.66km
  • UV index: 6
  • ▼
At the moment, in Cayenne, skies are mostly clouded, with occasional thinner patches.
The temperature is a tropical 30°C, while the real-feel temperature, which factors the actual air temperature with the relative humidity, is calculated to be a very hot 36°C. The current temperature is nearly at the maximum expected 32°C for today.

Sunday 18. Oct 2026

  • 32°C
  • 24°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 22km/hE 80°
  • Humidity: 71%
  • UV index: 11
  • Sunrise: 06:14 -03
  • Sunset: 18:14 -03
  • ▼
On Sunday, 18th of October, expect a partly sunny afternoon with variable cloud cover.
Predicted temperature values will span from a blazing 32°C down to a temperate 24°C.
The maximum heat index, which represents the influence of relative humidity on air temperature, is computed to be a blistering 41°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Today's peak is anticipated to reflect the usual October high temperature of 32.2°C.
Sunrise was at 06:14 and sunset will be at 18:14; the daylight will last for 12h and 0min.

Hourly overview

Hourly temperatures

Warmest hour: 13h 37°C.
Coldest hour: 1h 30°C.

Chance of precipitation

Highest chance: 9%.

Hourly weather forecast

  • 11h
  • 31°C
  • Feels like:
    36°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 13km/hE 90°
  • Humidity: 67%
  • Pressure: 1013mbar
  • Visibility: 13km
  • UV index: 11
  • ▼
  • 12h
  • 31°C
  • Feels like:
    37°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 15km/hE 80°
  • Humidity: 66%
  • Pressure: 1012mbar
  • Visibility: 15km
  • UV index: 11
  • ▼
  • 13h
  • 31°C
  • Feels like:
    37°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 16km/hENE 77°
  • Humidity: 64%
  • Pressure: 1011mbar
  • Visibility: 15km
  • UV index: 11
  • ▼
  • 14h
  • 31°C
  • Feels like:
    37°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 20km/hENE 73°
  • Humidity: 67%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 15h
  • 31°C
  • Feels like:
    36°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 21km/hENE 77°
  • Humidity: 68%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 7
  • ▼
  • 16h
  • 30°C
  • Feels like:
    36°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 21km/hENE 72°
  • Humidity: 72%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 17h
  • 30°C
  • Feels like:
    36°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 21km/hENE 72°
  • Humidity: 73%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 18h
  • 29°C
  • Feels like:
    35°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 18km/hE 80°
  • Humidity: 77%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 18:14
  • 19h
  • 28°C
  • Feels like:
    33°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 14km/hE 84°
  • Humidity: 82%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 28°C
  • Feels like:
    33°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 13km/hE 85°
  • Humidity: 82%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 21h
  • 28°C
  • Feels like:
    33°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 11km/hE 90°
  • Humidity: 83%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 28°C
  • Feels like:
    33°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 11km/hE 96°
  • Humidity: 84%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 23h
  • 27°C
  • Feels like:
    32°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 10km/hE 99°
  • Humidity: 86%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Today, cloudy weather is anticipated.
The temperature will vary between the lowest temperature of 27°C and the highest temperature of 31°C. The feels-like temperature will be between a minimum of 32°C and a maximum of 37°C. The hottest part of the day will be from 11h to 15h.
The maximum temperature will be comparable to October's average highest temperature of 32.2°C. The expected low will be also in line with the average minimum in October, which is 22.3°C.
Characterized by average highs of 32.2°C and lows of 22.3°C, October is the warmest month in Cayenne.
Updated: Oct 18, 2026 @ 13:06:32 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 10:06 -03, the temperature is 30°C. Feels-like temperature is 36°C.

Today, in Cayenne, sun and clouds will share the sky, creating a partly cloudy day.

Today, the highest temperature will be 32°C, while the lowest temperature will be 24°C. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is appraised at 41°C.
The highest temperature will be in line with the average maximum of 32.2°C in October. The lowest temperature will be also in line with the average low of 22.3°C.

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

Today, the daylight will last for 12h and 0min.