Weather forecast for 10 days
Grand Anse Beach, Saint Lucia

Weather forecast for the weekend

Sunday, 20. Jul

Cloudy
05:43

18:36
AST
Cloudy
30°C / 25°C
  • Wind: 31km/h E
  • Humidity: 70%
  • Precip. probability: 24%
  • Precipitation: 0mm
  • UV index: 11
On Sunday, 20th of July, gray and overcast skies will be present.
A narrow temperature span is anticipated, from a high of a blazing 30°C to a low of a temperate 25°C.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is assessed at a steamy 35°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The expected maximum is anticipated to be in line with the regular July temperature of 30°C.
Sunrise will be at 05:43 and sunset at 18:36; tomorrow's daylight will last for 12h and 53min.

Frequently asked questions

What is the weather forecast for Grand Anse Beach for the next ten days?
In Grand Anse Beach, a combination of predominantly rainy and occasionally gloomy and unstable weather is predicted for the next ten days.
Will it rain in the next ten days?
In Grand Anse Beach, rainfall is forecasted almost every day for the next ten days. Wednesday, with light precipitation of 10mm, will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 29°C and 30°C, while the minimum temperature will vary between 25°C and 26°C.
Including the humidity's impact, the maximum feel-like temperature will vary between 34°C and 37°C.
What will be the hottest and the coldest days?
With a maximum temperature of 30°C, Sunday, Monday, next Sunday and Monday will be the hottest days. All other days, the maximum temperature will be the same 29°C.

Long-term weather forecast

Sat19.Jul
  • min.
  • 25°C
Mostly Cloudy
Mostly Cloudy
  • Wind: 25km/h E
  • Humidity: 76%
  • UV index: 0
  • Precip. probability: 5%
  • Precipitation: 0mm
  • 05:43 18:36 AST
Sun20.Jul
  • 30°C
  • 25°C
Cloudy
Cloudy
  • Wind: 31km/h E
  • Humidity: 70%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0mm
  • 05:43 18:36 AST
Mon21.Jul
  • 30°C
  • 25°C
PM Showers
PM Showers
  • Wind: 30km/h E
  • Humidity: 75%
  • UV index: 11
  • Precip. probability: 39%
  • Precipitation: 8mm
  • 05:43 18:36 AST
Tue22.Jul
  • 29°C
  • 25°C
Showers
Showers
  • Wind: 30km/h E
  • Humidity: 77%
  • UV index: 11
  • Precip. probability: 45%
  • Precipitation: 6mm
  • 05:44 18:35 AST
Wed23.Jul
  • 29°C
  • 25°C
Showers
Showers
  • Wind: 28km/h E
  • Humidity: 79%
  • UV index: 11
  • Precip. probability: 52%
  • Precipitation: 10mm
  • 05:44 18:35 AST
Thu24.Jul
  • 29°C
  • 25°C
Showers
Showers
  • Wind: 29km/h E
  • Humidity: 77%
  • UV index: 11
  • Precip. probability: 37%
  • Precipitation: 8mm
  • 05:44 18:35 AST
Fri25.Jul
  • 29°C
  • 25°C
Showers
Showers
  • Wind: 30km/h E
  • Humidity: 77%
  • UV index: 9
  • Precip. probability: 48%
  • Precipitation: 9mm
  • 05:45 18:35 AST
Sat26.Jul
  • 29°C
  • 25°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 27km/h ESE
  • Humidity: 79%
  • UV index: 9
  • Precip. probability: 58%
  • Precipitation: 9mm
  • 05:45 18:34 AST
Sun27.Jul
  • 30°C
  • 26°C
Showers
Showers
  • Wind: 24km/h ESE
  • Humidity: 77%
  • UV index: 11
  • Precip. probability: 39%
  • Precipitation: 3mm
  • 05:45 18:34 AST
Mon28.Jul
  • 30°C
  • 26°C
AM Showers
AM Showers
  • Wind: 29km/h ESE
  • Humidity: 75%
  • UV index: 11
  • Precip. probability: 34%
  • Precipitation: 2mm
  • 05:45 18:34 AST
Models point to a combination of primarily wet and occasionally dull and lightning-active weather is anticipated.
Almost every day for the next ten days, rainfall is forecasted.
The variation in maximum temperature will be negligible throughout the coming week. Maximum temperatures will fall between 29°C and 30°C, while the lowest nightly temperature differences will be also negligible, as the overnight low will fall between 25°C and 26°C.
The hottest days will be Sunday, Monday, next Sunday and Monday, with a maximum of 30°C; all other days, the maximum temperature will be the same 29°C.
Including the humidity's impact, the maximum feel-like temperature may increase greatly and range between a tropical 34°C and a very hot 37°C.
May through October, with an average high-temperature of 30°C, are the warmest months in Grand Anse Beach.
Updated: Jul 19, 2025 @ 21:03:28 UTC
Published by: Weather Atlas | About Us
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