Weather forecast for 10 daysFontein, Aruba
Weather forecast for the weekend
Sunday 18. Oct 2026
- 31°C
- 28°C
Partly Cloudy / Wind
- Precip. probability: 2%
- Precipitation: 0mm
- Wind: 35km/hE 84°
- Humidity: 74%
- UV index: 11
- Sunrise: 06:29 AST
- Sunset: 18:19 AST
- details ▼
On Sunday, in Fontein, cool winds will move through a partly cloudy sky.
Temperature shifts will be minor, from a high of a hot 31°C to a low of a temperate 28°C.
The maximum heat index, which combines air temperature and relative humidity, is computed to be a very hot 39°C. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Today's forecasted high will be slightly warmer than the typical October high of 28.9°C.
Sunrise was at 06:29 and sunset will be at 18:19; the daylight will last for 11h and 50min.
Temperature shifts will be minor, from a high of a hot 31°C to a low of a temperate 28°C.
The maximum heat index, which combines air temperature and relative humidity, is computed to be a very hot 39°C. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Today's forecasted high will be slightly warmer than the typical October high of 28.9°C.
Sunrise was at 06:29 and sunset will be at 18:19; the daylight will last for 11h and 50min.
10-day overview
Daily temperatures
Warmest period: Friday - Saturday 32°C.
Minimum temperature: 31°C.
Minimum temperature: 31°C.
Chance of precipitation
Highest chance: Thursday 47%.
Long-term weather forecast
- Sunday
- 18. Oct 2026
- 31°C
- 28°C
Partly Cloudy / Wind
- Precip. probability: 2%
- Precipitation: 0mm
- Wind: 35km/hE 84°
- Humidity: 74%
- UV index: 11
- Sunrise: 06:29 AST
- Sunset: 18:19 AST
- details ▼
- Monday
- 19. Oct 2026
- 31°C
- 28°C
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 31km/hE 90°
- Humidity: 75%
- UV index: 11
- Sunrise: 06:30 AST
- Sunset: 18:19 AST
- details ▼
- Tuesday
- 20. Oct 2026
- 31°C
- 28°C
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0mm
- Wind: 29km/hE 91°
- Humidity: 75%
- UV index: 11
- Sunrise: 06:30 AST
- Sunset: 18:18 AST
- details ▼
- Wednesday
- 21. Oct 2026
- 31°C
- 28°C
AM Thunderstorms
- Precip. probability: 40%
- Precipitation: 1mm
- Wind: 30km/hE 95°
- Humidity: 77%
- UV index: 10
- Sunrise: 06:30 AST
- Sunset: 18:18 AST
- details ▼
- Thursday
- 22. Oct 2026
- 31°C
- 28°C
Scattered Thunderstorms
- Precip. probability: 47%
- Precipitation: 4mm
- Wind: 28km/hE 100°
- Humidity: 78%
- UV index: 11
- Sunrise: 06:30 AST
- Sunset: 18:17 AST
- details ▼
- Friday
- 23. Oct 2026
- 32°C
- 28°C
AM Showers / Wind
- Precip. probability: 31%
- Precipitation: 1mm
- Wind: 34km/hE 100°
- Humidity: 77%
- UV index: 11
- Sunrise: 06:30 AST
- Sunset: 18:17 AST
- details ▼
- Saturday
- 24. Oct 2026
- 32°C
- 28°C
AM Showers / Wind
- Precip. probability: 30%
- Precipitation: 1mm
- Wind: 32km/hE 99°
- Humidity: 77%
- UV index: 10
- Sunrise: 06:30 AST
- Sunset: 18:16 AST
- details ▼
- Sunday
- 25. Oct 2026
- 31°C
- 28°C
AM Showers
- Precip. probability: 32%
- Precipitation: 2mm
- Wind: 28km/hE 98°
- Humidity: 77%
- UV index: 10
- Sunrise: 06:31 AST
- Sunset: 18:16 AST
- details ▼
- Monday
- 26. Oct 2026
- 31°C
- 27°C
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 3mm
- Wind: 23km/hE 95°
- Humidity: 77%
- UV index: 10
- Sunrise: 06:31 AST
- Sunset: 18:15 AST
- details ▼
- Tuesday
- 27. Oct 2026
- 31°C
- 27°C
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 1mm
- Wind: 21km/hE 90°
- Humidity: 77%
- UV index: 8
- Sunrise: 06:31 AST
- Sunset: 18:15 AST
- details ▼
Models point to a combination of dull, rainy and stormy weather is expected.
Rain is expected on Wednesday through next Tuesday.
The temperature shift across days will be subtle throughout the coming week. Maximum temperatures will fall between 31°C and 32°C, while fluctuations in the night’s lowest temperature will be also minimal, as the overnight low will fall between 27°C and 28°C.
Friday and Saturday, with the highest temperature of 32°C, will be the hottest days; all other days, the highest temperature will be 31°C.
Including the humidity's impact, the maximum feel-like temperature may increase significantly and vary between a torrid 39°C and an extremely hot 43°C.
Rain is expected on Wednesday through next Tuesday.
The temperature shift across days will be subtle throughout the coming week. Maximum temperatures will fall between 31°C and 32°C, while fluctuations in the night’s lowest temperature will be also minimal, as the overnight low will fall between 27°C and 28°C.
Friday and Saturday, with the highest temperature of 32°C, will be the hottest days; all other days, the highest temperature will be 31°C.
Including the humidity's impact, the maximum feel-like temperature may increase significantly and vary between a torrid 39°C and an extremely hot 43°C.
Updated: Oct 18, 2026 @ 15:47:36 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, in Fontein, expect brisk winds and partly cloudy conditions.
Today, the maximum temperature will be 31°C, while the minimum temperature will be 28°C. The maximum heat index, which represents the influence of relative humidity on air temperature, is assessed at 39°C.
Today, the highest temperature will be moderately higher than the average maximum temperature in October. The lowest temperature will be in line with the average low of 28.1°C.
Today, the highest temperature will be moderately higher than the average maximum temperature in October. The lowest temperature will be in line with the average low of 28.1°C.
On Sunday, in Fontein, sunrise was at 06:29 and sunset will be at 18:19 (AST).
In Fontein, the length of the day today will be 11h and 50min.





