Weather forecast for 10 daysUnion, Grenada
Weather forecast for the weekend
Saturday 17. Oct 2026
- 31°C
- 26°C
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0mm
- Wind: 21km/hESE 116°
- Humidity: 73%
- UV index: 11
- Sunrise: 05:56 AST
- Sunset: 17:47 AST
- details ▼
On Saturday, 17th of October, a mix of clouds and blue sky is expected.
Slight temperature shifts from a high of a tropical 31°C to a low of a warm 26°C are forecasted.
The maximum heat index, which combines air temperature and relative humidity, is appraised at a sizzling 39°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Sunrise was at 05:56 and sunset will be at 17:47; the daylight will last for 11h and 50min.
Slight temperature shifts from a high of a tropical 31°C to a low of a warm 26°C are forecasted.
The maximum heat index, which combines air temperature and relative humidity, is appraised at a sizzling 39°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Sunrise was at 05:56 and sunset will be at 17:47; the daylight will last for 11h and 50min.
Sunday 18. Oct 2026
- 31°C
- 26°C
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0mm
- Wind: 22km/hESE 105°
- Humidity: 76%
- UV index: 10
- Sunrise: 05:56 AST
- Sunset: 17:46 AST
- details ▼
Tomorrow, in Union, a mix of clouds and blue sky is expected.
Temperatures will exhibit minor fluctuations, extending from a high of a hot 31°C to a low of a warm 26°C.
The maximum heat index, which combines air temperature and relative humidity, is computed to be a blistering 40°C. Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Sunrise will be at 05:56 and sunset at 17:46; tomorrow's daylight will last for 11h and 50min.
Temperatures will exhibit minor fluctuations, extending from a high of a hot 31°C to a low of a warm 26°C.
The maximum heat index, which combines air temperature and relative humidity, is computed to be a blistering 40°C. Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Sunrise will be at 05:56 and sunset at 17:46; tomorrow's daylight will last for 11h and 50min.
10-day overview
Daily temperatures
Maximum temperature: 31°C.
Minimum temperature: 30°C.
Minimum temperature: 30°C.
Chance of precipitation
Highest chance: Tuesday 37%.
Long-term weather forecast
- Saturday
- 17. Oct 2026
- 31°C
- 26°C
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0mm
- Wind: 21km/hESE 116°
- Humidity: 73%
- UV index: 11
- Sunrise: 05:56 AST
- Sunset: 17:47 AST
- details ▼
- Sunday
- 18. Oct 2026
- 31°C
- 26°C
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0mm
- Wind: 22km/hESE 105°
- Humidity: 76%
- UV index: 10
- Sunrise: 05:56 AST
- Sunset: 17:46 AST
- details ▼
- Monday
- 19. Oct 2026
- 30°C
- 26°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 1mm
- Wind: 24km/hESE 105°
- Humidity: 77%
- UV index: 11
- Sunrise: 05:56 AST
- Sunset: 17:46 AST
- details ▼
- Tuesday
- 20. Oct 2026
- 30°C
- 26°C
AM Showers
- Precip. probability: 37%
- Precipitation: 1mm
- Wind: 24km/hESE 119°
- Humidity: 77%
- UV index: 11
- Sunrise: 05:57 AST
- Sunset: 17:45 AST
- details ▼
- Wednesday
- 21. Oct 2026
- 31°C
- 27°C
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0mm
- Wind: 25km/hSE 124°
- Humidity: 75%
- UV index: 10
- Sunrise: 05:57 AST
- Sunset: 17:45 AST
- details ▼
- Thursday
- 22. Oct 2026
- 31°C
- 27°C
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0mm
- Wind: 24km/hSE 124°
- Humidity: 74%
- UV index: 11
- Sunrise: 05:57 AST
- Sunset: 17:44 AST
- details ▼
- Friday
- 23. Oct 2026
- 31°C
- 26°C
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0mm
- Wind: 24km/hESE 112°
- Humidity: 74%
- UV index: 11
- Sunrise: 05:57 AST
- Sunset: 17:44 AST
- details ▼
- Saturday
- 24. Oct 2026
- 31°C
- 26°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 26km/hESE 109°
- Humidity: 74%
- UV index: 11
- Sunrise: 05:57 AST
- Sunset: 17:43 AST
- details ▼
- Sunday
- 25. Oct 2026
- 30°C
- 26°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 26km/hESE 111°
- Humidity: 76%
- UV index: 11
- Sunrise: 05:57 AST
- Sunset: 17:43 AST
- details ▼
- Monday
- 26. Oct 2026
- 31°C
- 26°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 1mm
- Wind: 26km/hESE 109°
- Humidity: 76%
- UV index: 11
- Sunrise: 05:58 AST
- Sunset: 17:43 AST
- details ▼
Weather patterns suggest that primarily cloud-filled and occasionally showery weather is anticipated.
With minimal precipitation of 1mm, rain is forecasted for Monday, Tuesday and next Monday.
Temperature differences will be unnoticeable across the forecast window. Maximum temperatures will fall between 30°C and 31°C, while the overnight low will be also nearly unchanged, as the lowest temperatures will remain in the range of 26°C to 27°C.
The hottest days will be Saturday, Sunday, Wednesday through next Saturday and Monday, with a maximum of 31°C; with a maximum temperature of 30°C, Monday, Tuesday and next Sunday will be the coldest days.
Taking the humidity into consideration, the maximum feel-like temperature may increase substantially and vary between a sweltering 37°C and a scorching 40°C.
With minimal precipitation of 1mm, rain is forecasted for Monday, Tuesday and next Monday.
Temperature differences will be unnoticeable across the forecast window. Maximum temperatures will fall between 30°C and 31°C, while the overnight low will be also nearly unchanged, as the lowest temperatures will remain in the range of 26°C to 27°C.
The hottest days will be Saturday, Sunday, Wednesday through next Saturday and Monday, with a maximum of 31°C; with a maximum temperature of 30°C, Monday, Tuesday and next Sunday will be the coldest days.
Taking the humidity into consideration, the maximum feel-like temperature may increase substantially and vary between a sweltering 37°C and a scorching 40°C.
Updated: Oct 17, 2026 @ 12:49:26 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Today, the sky will feature a blend of clouds and sunshine.
Today, the maximum temperature will be 31°C, while the minimum temperature will be 26°C. The maximum heat index, which adjusts the air temperature based on humidity, is computed to be 39°C.
On Saturday, in Union, sunrise was at 05:56 and sunset will be at 17:47 (AST).
In Union, the length of the day today will be 11h and 50min.
Tomorrow, a partly cloudy outlook will keep the sky interesting throughout the day.
Tomorrow, the maximum temperature will be 31°C, while the minimum temperature will be 26°C. The maximum heat index, which adjusts the air temperature based on humidity, is calculated to be 40°C.
On Sunday, in Union, sunrise will be at 05:56 and sunset at 17:46 (AST).
In Union, tomorrow, there will be 11h and 50min of daylight.
