Weather forecast for todaySiminiout, French Guiana

Weather forecast for today

Current condition 15:50 -03

  • 32°C
  • Feels like:
    37°C
Mostly Cloudy
Mostly Cloudy
  • Precipitation: 0mm
  • Wind: 13km/hNE 50°
  • Humidity: 64%
  • Dewpoint: 24°C
  • Pressure: 1008.81mbar
  • Visibility: 16.09km
  • UV index: 3
  • ▼
Currently, in Siminiout, the sky remains mainly cloudy, with little sunshine peeking through.
The temperature is a humid 32°C, meanwhile, the apparent temperature of which modifies the air temperature to account for humidity is evaluated at a sweltering 37°C.

Saturday 17. Oct 2026

  • min.
  • 23°C
Thunderstorms Early
Thunderstorms Early
  • Precip. probability: 74%
  • Precipitation: 1mm
  • Wind: 14km/hNNE 17°
  • Humidity: 93%
  • UV index: 0
  • Sunrise: 06:15 -03
  • Sunset: 18:18 -03
  • ▼
For the rest of Saturday, early-day storm activity is likely.
Minimal precipitation is predicted for today. The lowest temperature will be a moderately hot 23°C.
Sunrise was at 06:15 and sunset will be at 18:18; the daylight will last for 12h and 3min.

Hourly overview

Hourly temperatures

Warmest hour: 18h 34°C.
Coldest hour: 22h 26°C.

Chance of precipitation

Highest chance: 17h 74%.

Hourly weather forecast

  • 16h
  • 28°C
  • Feels like:
    30°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 57%
  • Precipitation: 0mm
  • Wind: 13km/hENE 63°
  • Humidity: 65%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 17h
  • 28°C
  • Feels like:
    32°C
Thunderstorms
Thunderstorms
  • Precip. probability: 74%
  • Precipitation: 1mm
  • Wind: 13km/hNE 55°
  • Humidity: 82%
  • Pressure: 1008mbar
  • Visibility: 10km
  • UV index: 1
  • ▼
  • 18h
  • 28°C
  • Feels like:
    34°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0mm
  • Wind: 11km/hNE 46°
  • Humidity: 80%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 18:18
  • 19h
  • 28°C
  • Feels like:
    32°C
Cloudy
Cloudy
  • Precip. probability: 12%
  • Precipitation: 0mm
  • Wind: 7km/hNNE 22°
  • Humidity: 84%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 27°C
  • Feels like:
    31°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 7km/hNNE 14°
  • Humidity: 87%
  • Pressure: 1011mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 21h
  • 26°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 6km/hNNE 14°
  • Humidity: 91%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    26°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 6km/hNNE 16°
  • Humidity: 93%
  • Pressure: 1012mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 23h
  • 25°C
  • Feels like:
    29°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 5km/hN 11°
  • Humidity: 95%
  • Pressure: 1012mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 0h
  • 25°C
  • Feels like:
    28°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 3km/hN 4°
  • Humidity: 97%
  • Pressure: 1012mbar
  • Visibility: 13km
  • UV index: 0
  • ▼
  • 1h
  • 24°C
  • Feels like:
    28°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 3km/hN 5°
  • Humidity: 99%
  • Pressure: 1011mbar
  • Visibility: 12km
  • UV index: 0
  • ▼
During the afternoon and for the rest of the day, primarily cloudy and occasionally thunderstorm-prone weather is predicted.
With a 74% probability, minimal rainfall is predicted at midnight.
The temperature will vary between the highest temperature of 28°C and the lowest temperature of 25°C. The feels-like temperature will be between a maximum of 34°C and a minimum of 26°C.
Updated: Oct 17, 2026 @ 18:50:12 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 15:50 -03, the temperature is 32°C. Feels-like temperature is 37°C.

Today, in Siminiout, thunderstorms may appear early, with improvement later on.

There is a high likelihood of rainfall, but precipitation will be minimal.

On Saturday, in Siminiout, sunrise was at 06:15 and sunset will be at 18:18 (-03).

Today, the daylight will last for 12h and 3min.