Weather forecast for 10 daysAçu, Brazil
Weather forecast for the weekend
Sunday 25. Oct 2026
- 36°C
- 24°C
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0mm
- Wind: 28km/hNE 51°
- Humidity: 51%
- UV index: 11
- Sunrise: 05:03 -03
- Sunset: 17:20 -03
- details ▼
Tomorrow, in Açu, thin clouds will pass through at times, but overall, it will remain bright.
Temperatures will oscillate between a sweltering 36°C at their highest and a temperate 24°C at their lowest.
The maximum heat index, which measures the combined effect of heat and moisture, is calculated to be a blisteringly hot 44°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 maximum temperature for tomorrow is anticipated to match the regular October high of 35.7°C.
Sunrise will be at 05:03 and sunset at 17:20; tomorrow's daylight will last for 12h and 17min.
Temperatures will oscillate between a sweltering 36°C at their highest and a temperate 24°C at their lowest.
The maximum heat index, which measures the combined effect of heat and moisture, is calculated to be a blisteringly hot 44°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 maximum temperature for tomorrow is anticipated to match the regular October high of 35.7°C.
Sunrise will be at 05:03 and sunset at 17:20; tomorrow's daylight will last for 12h and 17min.
10-day overview
Daily temperatures
Warmest day: Wednesday 39°C.
Coldest period: tomorrow - Monday 36°C.
Coldest period: tomorrow - Monday 36°C.
Chance of precipitation
Highest chance: tomorrow 13%.
Long-term weather forecast
- Saturday
- 24. Oct 2026
- min.
- 24°C
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0mm
- Wind: 17km/hE 87°
- Humidity: 78%
- UV index: 0
- Sunrise: 05:03 -03
- Sunset: 17:20 -03
- details ▼
- Sunday
- 25. Oct 2026
- 36°C
- 24°C
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0mm
- Wind: 28km/hNE 51°
- 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: 3%
- Precipitation: 0mm
- Wind: 26km/hNE 37°
- Humidity: 53%
- UV index: 11
- Sunrise: 05:03 -03
- Sunset: 17:20 -03
- details ▼
- Tuesday
- 27. Oct 2026
- 37°C
- 24°C
Mostly Sunny
- Precip. probability: 10%
- Precipitation: 0mm
- Wind: 26km/hNE 48°
- 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: 9%
- Precipitation: 0mm
- Wind: 21km/hE 99°
- Humidity: 43%
- UV index: 11
- Sunrise: 05:02 -03
- Sunset: 17:20 -03
- details ▼
- Thursday
- 29. Oct 2026
- 38°C
- 24°C
Sunny
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 22km/hE 83°
- Humidity: 44%
- UV index: 11
- Sunrise: 05:02 -03
- Sunset: 17:20 -03
- details ▼
- Friday
- 30. Oct 2026
- 37°C
- 24°C
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0mm
- Wind: 22km/hENE 73°
- Humidity: 47%
- UV index: 11
- Sunrise: 05:02 -03
- Sunset: 17:20 -03
- details ▼
- Saturday
- 31. Oct 2026
- 38°C
- 24°C
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 24km/hENE 70°
- 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: 5%
- Precipitation: 0mm
- Wind: 25km/hENE 66°
- Humidity: 47%
- UV index: 11
- Sunrise: 05:01 -03
- Sunset: 17:20 -03
- details ▼
- Monday
- 2. Nov 2026
- 38°C
- 24°C
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0mm
- Wind: 24km/hENE 72°
- Humidity: 45%
- UV index: 11
- Sunrise: 05:01 -03
- Sunset: 17:20 -03
- details ▼
Weather patterns suggest that a combination of bright and dull weather is expected.
Rainfall is not forecasted in Açu in the upcoming period.
Highs will stay within a very narrow margin in the forecast period ahead. Maximum temperatures will fall between 36°C and 39°C, while the overnight low will stay at 24°C without change.
Expect the hottest day on Wednesday, with temperatures peaking at 39°C; Sunday and Monday, with the highest temperature of 36°C, will be the coldest days in Açu.
Including the humidity's impact, the maximum feel-like temperature may increase considerably and vary between a scorching 44°C and a life-threatening 47°C.
Among all months, October is the warmest in Açu, showing average highs of 35.7°C and average lows of 22.7°C.
Rainfall is not forecasted in Açu in the upcoming period.
Highs will stay within a very narrow margin in the forecast period ahead. Maximum temperatures will fall between 36°C and 39°C, while the overnight low will stay at 24°C without change.
Expect the hottest day on Wednesday, with temperatures peaking at 39°C; Sunday and Monday, with the highest temperature of 36°C, will be the coldest days in Açu.
Including the humidity's impact, the maximum feel-like temperature may increase considerably and vary between a scorching 44°C and a life-threatening 47°C.
Among all months, October is the warmest in Açu, showing average highs of 35.7°C and average lows of 22.7°C.
Updated: Oct 25, 2026 @ 01:32:24 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
Tomorrow, a partly cloudy outlook will keep the sky interesting throughout the day.
Tomorrow, the maximum temperature will be 36°C, while the minimum temperature will be 24°C. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is estimated at 44°C.
The highest temperature tomorrow will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.
The highest temperature tomorrow will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.
On Sunday, in Açu, sunrise will be at 05:03 and sunset at 17:20 (-03).
In Açu, tomorrow, there will be 12h and 17min of daylight.





