Weather forecast for 10 days
Grand Usine, French Guiana

Weather forecast for the weekend

Saturday, 07. Jun

Thunderstorms
06:20

18:41
-03
Thunderstorms
28°C / 22°C
  • Wind: 10km/h E
  • Humidity: 87%
  • Precip. probability: 81%
  • Precipitation: 11mm
  • UV index: 8
Tomorrow, on Saturday, unstable atmospheric conditions may lead to thunderstorms.
With a high probability, moderate precipitation is expected. The highest temperature will be a warm 28°C, while the lowest anticipated temperature is a delightful 22°C.
The maximum heat index, which measures the combined effect of heat and moisture, is evaluated at a blazing 33°C. Note that heat index values are valued for light wind and location in the shade.
Forecasted temperatures are trending a couple of degrees lower than June's climate norm of 30.3°C.
Sunrise will be at 06:20 and sunset at 18:41; tomorrow's daylight will last for 12h and 21min.

Sunday, 08. Jun

Thunderstorms
06:20

18:41
-03
Thunderstorms
30°C / 22°C
  • Wind: 10km/h E
  • Humidity: 84%
  • Precip. probability: 86%
  • Precipitation: 14mm
  • UV index: 11
On Sunday, 8th of June, storm systems may continue to produce thunderstorms.
With a high probability, moderate precipitation is forecasted. Temperature span will be from a high of a humid 30°C to a low of a delightful 22°C.
On Sunday, the anticipated peak temperature is expected to mirror June's average high of 30.3°C.
Sunrise will be at 06:20 and sunset at 18:41; the daylight will last for 12h and 21min.

Frequently asked questions

What is the weather forecast for Grand Usine for tomorrow?
Tomorrow, storm chances remain present.
Will it rain tomorrow?
Moderate precipitation of 11mm is anticipated in Grand Usine. The chance of rainfall is high at 81%.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 28°C, while the lowest temperature will be 22°C. The maximum heat index, which adjusts the air temperature based on humidity, is computed to be 33°C.
The maximum temperature will be slightly cooler than the average highest temperature of 30.3°C in June. The lowest temperature will be in line with the average low of 21.1°C.
When is the sunrise / sunset tomorrow?
On Saturday, in Grand Usine, sunrise will be at 06:20 and sunset at 18:41 (-03).
How long will the day be tomorrow?
In Grand Usine, the length of the day tomorrow will be 12h and 21min.
What is the weather forecast for Grand Usine for Sunday?
On Sunday, storm activity is likely to continue.
Will it rain on Sunday?
With a probability of 86%, moderate precipitation of 14mm is anticipated on Sunday in Grand Usine.
What will be the maximum temperature on Sunday?
On Sunday, the maximum temperature will be 30°C, while the minimum temperature will be 22°C.
What is the weather forecast for Grand Usine for the next ten days?
In Grand Usine, unstable weather with thunderstorms is anticipated daily for the next ten days.
Will it rain in the next ten days?
With daily precipitation varying from a minimum of 4mm to a maximum of 14mm, rainfall is anticipated every day in Grand Usine. With moderate precipitation of 14mm, Sunday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 28°C and 30°C, while the minimum temperature will be between 21°C and 22°C.
Taking the humidity into consideration, the maximum feel-like temperature will range between 33°C and 39°C.
What will be the hottest and the coldest days?
With a maximum temperature of 30°C, Sunday, Wednesday through next Saturday will be the hottest days. Tomorrow will be the coldest day, with a maximum temperature of 28°C.

Long-term weather forecast

Fri06.Jun
  • 29°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 12km/h E
  • Humidity: 81%
  • UV index: 11
  • Precip. probability: 73%
  • Precipitation: 6mm
  • 06:20 18:40 -03
Sat07.Jun
  • 28°C
  • 22°C
Thunderstorms
Thunderstorms
  • Wind: 10km/h E
  • Humidity: 87%
  • UV index: 8
  • Precip. probability: 81%
  • Precipitation: 11mm
  • 06:20 18:41 -03
Sun08.Jun
  • 30°C
  • 22°C
Thunderstorms
Thunderstorms
  • Wind: 10km/h E
  • Humidity: 84%
  • UV index: 11
  • Precip. probability: 86%
  • Precipitation: 14mm
  • 06:20 18:41 -03
Mon09.Jun
  • 29°C
  • 22°C
Thunderstorms
Thunderstorms
  • Wind: 12km/h E
  • Humidity: 84%
  • UV index: 10
  • Precip. probability: 75%
  • Precipitation: 9mm
  • 06:20 18:41 -03
Tue10.Jun
  • 29°C
  • 22°C
Thunderstorms
Thunderstorms
  • Wind: 11km/h ESE
  • Humidity: 84%
  • UV index: 11
  • Precip. probability: 78%
  • Precipitation: 8mm
  • 06:20 18:41 -03
Wed11.Jun
  • 30°C
  • 22°C
Thunderstorms
Thunderstorms
  • Wind: 11km/h ENE
  • Humidity: 82%
  • UV index: 11
  • Precip. probability: 80%
  • Precipitation: 8mm
  • 06:20 18:41 -03
Thu12.Jun
  • 30°C
  • 22°C
Thunderstorms
Thunderstorms
  • Wind: 10km/h ENE
  • Humidity: 81%
  • UV index: 8
  • Precip. probability: 64%
  • Precipitation: 4mm
  • 06:21 18:42 -03
Fri13.Jun
  • 30°C
  • 22°C
Thunderstorms
Thunderstorms
  • Wind: 12km/h E
  • Humidity: 82%
  • UV index: 10
  • Precip. probability: 64%
  • Precipitation: 7mm
  • 06:21 18:42 -03
Sat14.Jun
  • 30°C
  • 21°C
Thunderstorms
Thunderstorms
  • Wind: 12km/h ESE
  • Humidity: 81%
  • UV index: 10
  • Precip. probability: 60%
  • Precipitation: 7mm
  • 06:21 18:42 -03
Sun15.Jun
  • 29°C
  • 21°C
Thunderstorms
Thunderstorms
  • Wind: 11km/h E
  • Humidity: 82%
  • UV index: 11
  • Precip. probability: 60%
  • Precipitation: 8mm
  • 06:21 18:42 -03
Expect that over the next ten days, stormy conditions are expected on most days.
Rainfall is anticipated day-to-day, with daily precipitation varying from a minimal 4mm to a maximum of 14mm.
Fluctuations in temperature will be barely perceptible across the forecast window. The maximum temperature will vary between 28°C and 30°C, while the overnight low will be also nearly unchanged, as the overnight low will fall between 21°C and 22°C.
Sunday, Wednesday through next Saturday, with the highest temperature of 30°C, will be the hottest days in Grand Usine; with the highest temperature of 28°C, Saturday will be the coldest day.
Taking the humidity into consideration, the maximum feel-like temperature may increase substantially and range between a hot 33°C and a fiery hot 39°C.
Updated: Jun 6, 2025 @ 10:50:18 UTC
Published by: Weather Atlas | About Us
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