Weather forecast for 10 daysAçu, Brazil
Weather forecast for the weekend
Sunday 25. Oct 2026
- 36°C
- 23°C
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0mm
- Wind: 29km/hNNE 24°
- Humidity: 51%
- UV index: 11
- Sunrise: 05:03 -03
- Sunset: 17:20 -03
- details ▼
Today, in Açu, a pleasant mix of sun and clouds will define the day.
A temperature range of a very hot 36°C to a temperate 23°C is forecasted.
The maximum heat index, which integrates air moisture with ambient temperature, is calculated to be a blisteringly hot 44°C. Note that heat index values are valued for light wind and location in the shade. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
October's standard high of 35.7°C is anticipated to be reached during the day.
Sunrise was at 05:03 and sunset will be at 17:20; the daylight will last for 12h and 17min.
A temperature range of a very hot 36°C to a temperate 23°C is forecasted.
The maximum heat index, which integrates air moisture with ambient temperature, is calculated to be a blisteringly hot 44°C. Note that heat index values are valued for light wind and location in the shade. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
October's standard high of 35.7°C is anticipated to be reached during the day.
Sunrise was at 05:03 and sunset will be at 17:20; the daylight will last for 12h and 17min.
10-day overview
Daily temperatures
Warmest day: Wednesday 39°C.
Coldest period: today - tomorrow 36°C.
Coldest period: today - tomorrow 36°C.
Chance of precipitation
Highest chance: Wednesday 15%.
Long-term weather forecast
- Sunday
- 25. Oct 2026
- 36°C
- 23°C
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0mm
- Wind: 29km/hNNE 24°
- Humidity: 51%
- UV index: 11
- Sunrise: 05:03 -03
- Sunset: 17:20 -03
- details ▼
- Monday
- 26. Oct 2026
- 36°C
- 24°C
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0mm
- Wind: 26km/hNE 35°
- Humidity: 53%
- UV index: 11
- Sunrise: 05:03 -03
- Sunset: 17:20 -03
- details ▼
- Tuesday
- 27. Oct 2026
- 37°C
- 24°C
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0mm
- Wind: 26km/hNE 47°
- Humidity: 51%
- UV index: 11
- Sunrise: 05:02 -03
- Sunset: 17:20 -03
- details ▼
- Wednesday
- 28. Oct 2026
- 39°C
- 24°C
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0mm
- Wind: 18km/hE 89°
- Humidity: 45%
- UV index: 11
- Sunrise: 05:02 -03
- Sunset: 17:20 -03
- details ▼
- Thursday
- 29. Oct 2026
- 38°C
- 24°C
Mostly Sunny
- Precip. probability: 10%
- Precipitation: 0mm
- Wind: 22km/hE 79°
- Humidity: 45%
- UV index: 11
- Sunrise: 05:02 -03
- Sunset: 17:20 -03
- details ▼
- Friday
- 30. Oct 2026
- 37°C
- 24°C
Sunny
- Precip. probability: 9%
- Precipitation: 0mm
- Wind: 23km/hENE 68°
- Humidity: 47%
- UV index: 11
- Sunrise: 05:02 -03
- Sunset: 17:20 -03
- details ▼
- Saturday
- 31. Oct 2026
- 37°C
- 24°C
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 23km/hENE 66°
- Humidity: 47%
- UV index: 11
- Sunrise: 05:02 -03
- Sunset: 17:20 -03
- details ▼
- Sunday
- 1. Nov 2026
- 37°C
- 24°C
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0mm
- Wind: 25km/hENE 64°
- Humidity: 47%
- UV index: 11
- Sunrise: 05:01 -03
- Sunset: 17:20 -03
- details ▼
- Monday
- 2. Nov 2026
- 38°C
- 24°C
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0mm
- Wind: 23km/hENE 73°
- Humidity: 45%
- UV index: 11
- Sunrise: 05:01 -03
- Sunset: 17:20 -03
- details ▼
- Tuesday
- 3. Nov 2026
- 38°C
- 24°C
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0mm
- Wind: 23km/hENE 78°
- Humidity: 45%
- UV index: 11
- Sunrise: 05:01 -03
- Sunset: 17:20 -03
- details ▼
Forecasts for the ten-day outlook show that a combination of bright and overcast weather is expected.
Rain is not anticipated in Açu in the upcoming days.
Fluctuations in temperature will be barely perceptible in the forecast period ahead. The maximum temperature will vary between 36°C and 39°C, while the overnight low will be also nearly unchanged, as the overnight low will fall between 23°C and 24°C.
The hottest day will be Wednesday, with a maximum of 39°C; Sunday and Monday, with the highest temperature of 36°C, will be the coldest days.
Including the humidity's impact, the maximum feel-like temperature may increase substantially and vary between a blistering 44°C and a life-threatening 49°C.
The climate in Açu reaches its peak warmth in October, with highs averaging 35.7°C and lows dropping to 22.7°C.
Rain is not anticipated in Açu in the upcoming days.
Fluctuations in temperature will be barely perceptible in the forecast period ahead. The maximum temperature will vary between 36°C and 39°C, while the overnight low will be also nearly unchanged, as the overnight low will fall between 23°C and 24°C.
The hottest day will be Wednesday, with a maximum of 39°C; Sunday and Monday, with the highest temperature of 36°C, will be the coldest days.
Including the humidity's impact, the maximum feel-like temperature may increase substantially and vary between a blistering 44°C and a life-threatening 49°C.
The climate in Açu reaches its peak warmth in October, with highs averaging 35.7°C and lows dropping to 22.7°C.
Updated: Oct 25, 2026 @ 16:47:52 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 36°C, while the minimum temperature will be 23°C. The maximum heat index, which combines air temperature and relative humidity, is computed to be 44°C.
The highest temperature will be in line with the average maximum of 35.7°C in October. The lowest temperature will be also in line with the average low of 22.7°C.
The highest temperature will be in line with the average maximum of 35.7°C in October. The lowest temperature will be also in line with the average low of 22.7°C.
On Sunday, in Açu, sunrise was at 05:03 and sunset will be at 17:20 (-03).
Today, the daylight will last for 12h and 17min.





