Weather forecast for today
Siminiout, French Guiana

Weather forecast for today

Tuesday, 13. May

Thunderstorms
06:19

18:36
-03
Thunderstorms
29°C / 23°C
  • Wind: 11km/h ENE
  • Humidity: 86%
  • Precip. probability: 79%
  • Precipitation: 16mm
  • UV index: 7
Today, electrical storms are a possibility.
With a high probability, moderate precipitation is predicted. Temperature is anticipated to swing from a high of a temperate 29°C to a low of a warm 23°C.
The maximum heat index, which measures the combined effect of heat and moisture, is calculated to be a steamy 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.
The expected maximum is expected to be in line with the regular May temperature of 28.8°C.
Sunrise was at 06:19 and sunset will be at 18:36; the daylight will last for 12h and 17min.

Current condition

Cloudy
08:06 -03
Cloudy
  • 24°C
  • Feels like: 24°C
  • Wind: 3km/h NE
  • Humidity: 98%
  • Dewpoint: 24°C
  • Pressure: 1013.21mbar
  • Precipitation: 0mm
  • Visibility: 8.05km
  • UV index: 1
In Siminiout, at the moment, the skyline is shrouded in clouds, creating a gloomy atmosphere.
The temperature is a warm 24°C. The current temperature is almost at the minimum-expected 23°C for today.

Weather radar - Siminiout, French Guiana

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

Frequently asked questions

What is the temperature now?
The current temperature (08:06 -03) is 24°C.
What is the weather forecast for Siminiout for today?
Today, moderate to strong thunderstorms are in the outlook.
Will it rain today?
Moderate precipitation of 16mm is expected. The likelihood of rainfall is 79%.
What will be the maximum temperature today?
Today, the highest temperature will be 29°C, while the lowest temperature will be 23°C. The maximum heat index, which modifies the air temperature to account for humidity, is assessed at 36°C.
The maximum temperature will be in line with the average highest temperature of 28.8°C in May. The lowest temperature will be also in line with the average low of 22.3°C.
When are sunrise and sunset today?
On Tuesday, in Siminiout, sunrise was at 06:19 and sunset will be at 18:36 (-03).
How long is the day today?
In Siminiout, the length of the day today will be 12h and 17min.

Hourly weather forecast

9h
  • 26°C
  • Feels like:
    26°C
Cloudy
Cloudy
  • Wind: 6km/h ENE
  • Pressure: 1013mbar
  • Humidity: 92%
  • Precip. probability: 19%
  • Precipitation: 0mm
  • Visibility: 13km
10h
  • 27°C
  • Feels like:
    31°C
Mostly Cloudy
Mostly Cloudy
  • Wind: 7km/h ENE
  • Pressure: 1013mbar
  • Humidity: 87%
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Visibility: 15km
11h
  • 28°C
  • Feels like:
    32°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 9km/h E
  • Pressure: 1013mbar
  • Humidity: 83%
  • Precip. probability: 57%
  • Precipitation: 2mm
  • Visibility: 11km
12h
  • 28°C
  • Feels like:
    32°C
Thunderstorms
Thunderstorms
  • Wind: 10km/h E
  • Pressure: 1012mbar
  • Humidity: 82%
  • Precip. probability: 79%
  • Precipitation: 2mm
  • Visibility: 6km
13h
  • 28°C
  • Feels like:
    33°C
Thunderstorms
Thunderstorms
  • Wind: 9km/h E
  • Pressure: 1011mbar
  • Humidity: 82%
  • Precip. probability: 79%
  • Precipitation: 3mm
  • Visibility: 6km
14h
  • 28°C
  • Feels like:
    33°C
Thunderstorms
Thunderstorms
  • Wind: 9km/h E
  • Pressure: 1010mbar
  • Humidity: 80%
  • Precip. probability: 79%
  • Precipitation: 4mm
  • Visibility: 6km
15h
  • 28°C
  • Feels like:
    33°C
Thunderstorms
Thunderstorms
  • Wind: 11km/h E
  • Pressure: 1010mbar
  • Humidity: 82%
  • Precip. probability: 71%
  • Precipitation: 4mm
  • Visibility: 4km
16h
  • 27°C
  • Feels like:
    31°C
Thunderstorms
Thunderstorms
  • Wind: 11km/h E
  • Pressure: 1010mbar
  • Humidity: 87%
  • Precip. probability: 62%
  • Precipitation: 2mm
  • Visibility: 6km
17h
  • 26°C
  • Feels like:
    30°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 10km/h ENE
  • Pressure: 1010mbar
  • Humidity: 88%
  • Precip. probability: 44%
  • Precipitation: 2mm
  • Visibility: 11km
18h
  • 25°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Wind: 7km/h ENE
  • Pressure: 1010mbar
  • Humidity: 91%
  • Precip. probability: 22%
  • Precipitation: 0mm
  • Visibility: 14km
Sunset: 18:36
19h
  • 24°C
  • Feels like:
    28°C
Cloudy
Cloudy
  • Wind: 5km/h NE
  • Pressure: 1011mbar
  • Humidity: 97%
  • Precip. probability: 17%
  • Precipitation: 0mm
  • Visibility: 15km
20h
  • 24°C
  • Feels like:
    27°C
Cloudy
Cloudy
  • Wind: 5km/h NNE
  • Pressure: 1012mbar
  • Humidity: 99%
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Visibility: 13km
21h
  • 24°C
  • Feels like:
    27°C
Cloudy
Cloudy
  • Wind: 5km/h NNE
  • Pressure: 1012mbar
  • Humidity: 99%
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Visibility: 11km
22h
  • 24°C
  • Feels like:
    27°C
Cloudy
Cloudy
  • Wind: 4km/h NNE
  • Pressure: 1013mbar
  • Humidity: 100%
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Visibility: 10km
23h
  • 24°C
  • Feels like:
    27°C
Cloudy
Cloudy
  • Wind: 3km/h NNE
  • Pressure: 1013mbar
  • Humidity: 100%
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Visibility: 8km
Today, a combination of cloud-filled and unstable weather is predicted.
Rainfall is anticipated from 11h to 17h. With moderate precipitation of 4mm, the most intense rain will be falling at 14h and 15h.
The temperature will vary between the highest temperature of 28°C and the lowest temperature of 24°C. The feels-like temperature will be between the highest temperature of 33°C and the lowest temperature of 26°C. The warmest part of the day will be from 11h to 15h.
The high temperature is expected to be consistent with May's usual value of 28.8°C. The temperature low is forecasted to be also consistent with the usual May value of 22.3°C.
Updated: May 13, 2025 @ 11:06:44 UTC
Published by: Weather Atlas | About Us
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Weather Forecasting & Climate

Siminiout, French Guiana

  • en: Siminiout, French Guiana
  • es: Siminiout, Guayana Francesa
  • hr: Siminiu, Francuska Gvajana
  • sr: Siminiu, Francuska Gvajana
  • zh: 锡米尼乌, 法属圭亚那
  • Latitude: 2.916667°
  • Longitude: -52.833333°
  • Elevation: 133 m
  • Current time: 08:06 -03
  • Sunrise: 06:19 -03
  • Sunset: 18:36 -03
  • Timezone: America/Cayenne
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