Weather forecast for today
French Guiana

Weather forecast for today

Wednesday, 18. Jun

Thunderstorms
06:17

18:43
-03
Thunderstorms
29°C / 24°C
  • Wind: 19km/h ESE
  • Humidity: 86%
  • Precip. probability: 93%
  • Precipitation: 16mm
  • UV index: 8
Today, in Cayenne, scattered thunderstorms are expected to form.
With a high probability, moderate precipitation is predicted. Minor variations in temperature are anticipated, peaking at a temperate 29°C and slightly dropping to a low of a warm 24°C.
The maximum heat index, which adjusts the air temperature based on humidity, is appraised at a torrid 36°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.
Forecasts show the temperature expected to reach the usual June high of 30.2°C.
Sunrise will be at 06:17 and sunset at 18:43; the daylight will last for 12h and 27min.

Current condition

Cloudy
07:42
Cloudy
  • 24°C
  • Feels like: 24°C
  • Wind: 3km/h SW
  • Humidity: 93%
  • Dewpoint: 23°C
  • Pressure: 1013.21mbar
  • Precipitation: 0mm
  • Visibility: 9.66km
  • UV index: 0
In Cayenne, currently, the sun is struggling to shine through thick clouds.
The temperature is a moderately hot 24°C. The current temperature is at the minimum expected for today.

Weather radar - French Guiana

Doppler radar displays precipitation for the past 2h and forecasts the next 30min

Hourly weather forecast

5h
  • 25°C
  • Feels like:
    25°C
Rain
Rain
  • Wind: 4km/h ESE
  • Pressure: 1013mbar
  • Humidity: 93%
  • Precip. probability: 83%
  • Precipitation: 2mm
  • Visibility: 11km
6h
  • 25°C
  • Feels like:
    25°C
Rain
Rain
  • Wind: 4km/h SE
  • Pressure: 1013mbar
  • Humidity: 94%
  • Precip. probability: 88%
  • Precipitation: 2mm
  • Visibility: 6km
7h
  • 25°C
  • Feels like:
    25°C
Rain
Rain
  • Wind: 5km/h SE
  • Pressure: 1014mbar
  • Humidity: 92%
  • Precip. probability: 74%
  • Precipitation: 2mm
  • Visibility: 8km
8h
  • 26°C
  • Feels like:
    26°C
Rain
Rain
  • Wind: 8km/h ESE
  • Pressure: 1015mbar
  • Humidity: 91%
  • Precip. probability: 78%
  • Precipitation: 2mm
  • Visibility: 6km
9h
  • 27°C
  • Feels like:
    30°C
Thunderstorms
Thunderstorms
  • Wind: 10km/h ESE
  • Pressure: 1015mbar
  • Humidity: 86%
  • Precip. probability: 92%
  • Precipitation: 2mm
  • Visibility: 8km
10h
  • 27°C
  • Feels like:
    31°C
Thunderstorms
Thunderstorms
  • Wind: 12km/h E
  • Pressure: 1015mbar
  • Humidity: 85%
  • Precip. probability: 89%
  • Precipitation: 1mm
  • Visibility: 6km
11h
  • 28°C
  • Feels like:
    32°C
Thunderstorms
Thunderstorms
  • Wind: 14km/h E
  • Pressure: 1015mbar
  • Humidity: 81%
  • Precip. probability: 73%
  • Precipitation: 2mm
  • Visibility: 11km
12h
  • 28°C
  • Feels like:
    33°C
Thunderstorms
Thunderstorms
  • Wind: 16km/h E
  • Pressure: 1015mbar
  • Humidity: 78%
  • Precip. probability: 72%
  • Precipitation: 2mm
  • Visibility: 6km
13h
  • 28°C
  • Feels like:
    33°C
Thunderstorms
Thunderstorms
  • Wind: 17km/h E
  • Pressure: 1014mbar
  • Humidity: 79%
  • Precip. probability: 64%
  • Precipitation: 1mm
  • Visibility: 10km
14h
  • 29°C
  • Feels like:
    34°C
Thunderstorms
Thunderstorms
  • Wind: 18km/h E
  • Pressure: 1013mbar
  • Humidity: 79%
  • Precip. probability: 70%
  • Precipitation: 2mm
  • Visibility: 10km
15h
  • 28°C
  • Feels like:
    33°C
Thunderstorms
Thunderstorms
  • Wind: 17km/h E
  • Pressure: 1013mbar
  • Humidity: 80%
  • Precip. probability: 73%
  • Precipitation: 1mm
  • Visibility: 10km
16h
  • 28°C
  • Feels like:
    32°C
Thunderstorms
Thunderstorms
  • Wind: 16km/h E
  • Pressure: 1012mbar
  • Humidity: 81%
  • Precip. probability: 76%
  • Precipitation: 2mm
  • Visibility: 10km
17h
  • 28°C
  • Feels like:
    32°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 15km/h E
  • Pressure: 1012mbar
  • Humidity: 82%
  • Precip. probability: 47%
  • Precipitation: 1mm
  • Visibility: 11km
18h
  • 27°C
  • Feels like:
    31°C
Showers
Showers
  • Wind: 12km/h E
  • Pressure: 1013mbar
  • Humidity: 87%
  • Precip. probability: 43%
  • Precipitation: 1mm
  • Visibility: 11km
19h
  • 26°C
  • Feels like:
    30°C
Showers
Showers
  • Wind: 9km/h ESE
  • Pressure: 1013mbar
  • Humidity: 91%
  • Precip. probability: 39%
  • Precipitation: 1mm
  • Visibility: 11km
20h
  • 26°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Wind: 8km/h ESE
  • Pressure: 1014mbar
  • Humidity: 92%
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Visibility: 15km
21h
  • 26°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Wind: 8km/h ESE
  • Pressure: 1015mbar
  • Humidity: 93%
  • Precip. probability: 16%
  • Precipitation: 0mm
  • Visibility: 15km
22h
  • 25°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Wind: 7km/h ESE
  • Pressure: 1015mbar
  • Humidity: 94%
  • Precip. probability: 19%
  • Precipitation: 0mm
  • Visibility: 14km
23h
  • 25°C
  • Feels like:
    28°C
Cloudy
Cloudy
  • Wind: 7km/h SE
  • Pressure: 1015mbar
  • Humidity: 93%
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Visibility: 14km
Today, in Cayenne, a combination of stormy, showery and dull weather is forecasted.
Rainfall is predicted from 5h to 19h. With light precipitation of 2mm, the most intense rain will be falling from 5h to 9h, 11h, 12h, 14h and at 16h.
The temperature will vary between a maximum of 29°C and a minimum of 25°C. The feels-like temperature will vary between the lowest temperature of 25°C and the highest temperature of 34°C. The hottest part of the day is anticipated around 14h.
The maximum temperature will be resembling June's average highest temperature of 30.2°C. The minimum temperature will be also consistent with June's average low of 22.9°C.
Updated: Jun 18, 2025 @ 07:42:07 UTC
Published by: Weather Atlas | About Us
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Weather Forecasting & Climate

French Guiana

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