Weather forecast for 10 daysIaçu, Brazil
Weather forecast for the weekend
Saturday 31. Oct 2026
- 37°C
- 23°C
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0mm
- Wind: 11km/hENE 70°
- Humidity: 49%
- UV index: 11
- Sunrise: 05:07 -03
- Sunset: 17:41 -03
- details ▼
Today, in Iaçu, intermittent cloud cover is expected, allowing for some sunshine.
The highest predicted temperature is a sweltering 37°C, while the lowest temperature will be a warm 23°C.
The maximum heat index, which factors the actual air temperature with the relative humidity, is calculated to be a burning hot 45°C. Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
The anticipated maximum temperature will be noticeably higher than the standard October value of 31.2°C.
Sunrise was at 05:07 and sunset will be at 17:41; the daylight will last for 12h and 34min.
The highest predicted temperature is a sweltering 37°C, while the lowest temperature will be a warm 23°C.
The maximum heat index, which factors the actual air temperature with the relative humidity, is calculated to be a burning hot 45°C. Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
The anticipated maximum temperature will be noticeably higher than the standard October value of 31.2°C.
Sunrise was at 05:07 and sunset will be at 17:41; the daylight will last for 12h and 34min.
Sunday 1. Nov 2026
- 37°C
- 23°C
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 19km/hE 91°
- Humidity: 50%
- UV index: 11
- Sunrise: 05:07 -03
- Sunset: 17:41 -03
- details ▼
Tomorrow, on Sunday, 1st of November, changing cloud patterns will allow for periods of sunshine.
The maximum predicted temperature is a sizzling 37°C, while the minimum temperature will be a temperate 23°C.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is assessed at a blazing hot 46°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
The top temperature for tomorrow will be noticeably higher than the usual October maximum of 31.2°C.
Sunrise will be at 05:07 and sunset at 17:41; tomorrow's daylight will last for 12h and 34min.
The maximum predicted temperature is a sizzling 37°C, while the minimum temperature will be a temperate 23°C.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is assessed at a blazing hot 46°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
The top temperature for tomorrow will be noticeably higher than the usual October maximum of 31.2°C.
Sunrise will be at 05:07 and sunset at 17:41; tomorrow's daylight will last for 12h and 34min.
10-day overview
Daily temperatures
Warmest period: Friday - Saturday 39°C.
Minimum temperature: 36°C.
Minimum temperature: 36°C.
Chance of precipitation
Highest chance: 19%.
Long-term weather forecast
- Saturday
- 31. Oct 2026
- 37°C
- 23°C
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0mm
- Wind: 11km/hENE 70°
- Humidity: 49%
- UV index: 11
- Sunrise: 05:07 -03
- Sunset: 17:41 -03
- details ▼
- Sunday
- 1. Nov 2026
- 37°C
- 23°C
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 19km/hE 91°
- Humidity: 50%
- UV index: 11
- Sunrise: 05:07 -03
- Sunset: 17:41 -03
- details ▼
- Monday
- 2. Nov 2026
- 36°C
- 23°C
Mostly Sunny
- Precip. probability: 16%
- Precipitation: 0mm
- Wind: 20km/hE 88°
- Humidity: 51%
- UV index: 11
- Sunrise: 05:06 -03
- Sunset: 17:41 -03
- details ▼
- Tuesday
- 3. Nov 2026
- 37°C
- 22°C
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0mm
- Wind: 17km/hENE 78°
- Humidity: 49%
- UV index: 11
- Sunrise: 05:06 -03
- Sunset: 17:42 -03
- details ▼
- Wednesday
- 4. Nov 2026
- 38°C
- 22°C
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0mm
- Wind: 11km/hENE 65°
- Humidity: 48%
- UV index: 11
- Sunrise: 05:06 -03
- Sunset: 17:42 -03
- details ▼
- Thursday
- 5. Nov 2026
- 38°C
- 23°C
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0mm
- Wind: 11km/hENE 58°
- Humidity: 48%
- UV index: 11
- Sunrise: 05:06 -03
- Sunset: 17:42 -03
- details ▼
- Friday
- 6. Nov 2026
- 39°C
- 23°C
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0mm
- Wind: 10km/hNE 53°
- Humidity: 45%
- UV index: 11
- Sunrise: 05:05 -03
- Sunset: 17:43 -03
- details ▼
- Saturday
- 7. Nov 2026
- 39°C
- 23°C
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0mm
- Wind: 13km/hENE 76°
- Humidity: 47%
- UV index: 11
- Sunrise: 05:05 -03
- Sunset: 17:43 -03
- details ▼
- Sunday
- 8. Nov 2026
- 37°C
- 23°C
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0mm
- Wind: 13km/hE 93°
- Humidity: 50%
- UV index: 11
- Sunrise: 05:05 -03
- Sunset: 17:43 -03
- details ▼
- Monday
- 9. Nov 2026
- 36°C
- 23°C
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0mm
- Wind: 15km/hE 89°
- Humidity: 51%
- UV index: 11
- Sunrise: 05:05 -03
- Sunset: 17:44 -03
- details ▼
Looking ahead to the next ten days, primarily overcast and occasionally sunny weather is expected.
Rainfall is not anticipated in Iaçu in the upcoming days.
Temperature differences will be unnoticeable over the next several days. The maximum temperature will vary between 36°C and 39°C, while the overnight low will be also nearly unchanged, as the lowest temperatures will remain in the range of 22°C to 23°C.
With a maximum temperature of 39°C, Friday and next Saturday will be the hottest days in Iaçu; the coldest days will be Monday and next Monday, with a maximum of 36°C.
Taking the humidity into consideration, the maximum feel-like temperature may increase vastly and vary between a blistering 44°C and a life-threatening 50°C.
Rainfall is not anticipated in Iaçu in the upcoming days.
Temperature differences will be unnoticeable over the next several days. The maximum temperature will vary between 36°C and 39°C, while the overnight low will be also nearly unchanged, as the lowest temperatures will remain in the range of 22°C to 23°C.
With a maximum temperature of 39°C, Friday and next Saturday will be the hottest days in Iaçu; the coldest days will be Monday and next Monday, with a maximum of 36°C.
Taking the humidity into consideration, the maximum feel-like temperature may increase vastly and vary between a blistering 44°C and a life-threatening 50°C.
Updated: Oct 31, 2026 @ 11:47:17 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
On Saturday, partly cloudy skies will persist, making for a mix of sun and clouds.
Today, the highest temperature will be 37°C, while the lowest temperature will be 23°C. The maximum heat index, which measures the combined effect of heat and moisture, is estimated at 45°C.
The highest temperature today will be significantly higher than the average maximum of 31.2°C in October. Today, the lowest temperature will be a couple of degrees higher than the average low temperature.
The highest temperature today will be significantly higher than the average maximum of 31.2°C in October. Today, the lowest temperature will be a couple of degrees higher than the average low temperature.
On Saturday, in Iaçu, sunrise was at 05:07 and sunset will be at 17:41 (-03).
In Iaçu, today, there will be 12h and 34min of daylight.
Tomorrow, changing cloud patterns will allow for periods of sunshine.
Tomorrow, the maximum temperature will be 37°C, while the minimum temperature will be 23°C. The maximum heat index, which measures the combined effect of heat and moisture, is computed to be 46°C.
Tomorrow, the highest temperature will be notably higher than the average maximum of 31.2°C in October. The lowest temperature tomorrow will be relatively higher than the average low temperature.
Tomorrow, the highest temperature will be notably higher than the average maximum of 31.2°C in October. The lowest temperature tomorrow will be relatively higher than the average low temperature.
On Sunday, in Iaçu, sunrise will be at 05:07 and sunset at 17:41 (-03).
In Iaçu, the length of the day tomorrow will be 12h and 34min.





