Weather forecast for 10 daysIaçu, Brazil
Weather forecast for the weekend
Sunday 1. Nov 2026
- 37°C
- 23°C
Partly Cloudy
- Precip. probability: 9%
- 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, some passing clouds may drift through, but the sun will shine at times.
The maximum temperature will be a sweltering 37°C, while the minimum temperature will be a temperate 23°C.
The maximum heat index, which indicates how humid air affects the felt temperature, is computed to be a life-threatening 46°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.
Tomorrow, the temperature is forecasted to be uncommonly higher than the regular high of 31.2°C in October.
Sunrise will be at 05:07 and sunset at 17:41; tomorrow's daylight will last for 12h and 34min.
The maximum temperature will be a sweltering 37°C, while the minimum temperature will be a temperate 23°C.
The maximum heat index, which indicates how humid air affects the felt temperature, is computed to be a life-threatening 46°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.
Tomorrow, the temperature is forecasted to be uncommonly higher than the regular high of 31.2°C in October.
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.
Coldest day: Monday 36°C.
Coldest day: Monday 36°C.
Chance of precipitation
Highest chance: Monday 18%.
Long-term weather forecast
- Saturday
- 31. Oct 2026
- min.
- 23°C
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 12km/hE 80°
- Humidity: 72%
- UV index: 0
- Sunrise: 05:07 -03
- Sunset: 17:41 -03
- details ▼
- Sunday
- 1. Nov 2026
- 37°C
- 23°C
Partly Cloudy
- Precip. probability: 9%
- 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
Partly Cloudy
- Precip. probability: 18%
- 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: 16%
- Precipitation: 0mm
- Wind: 17km/hE 79°
- 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 67°
- Humidity: 47%
- UV index: 11
- Sunrise: 05:06 -03
- Sunset: 17:42 -03
- details ▼
- Thursday
- 5. Nov 2026
- 38°C
- 22°C
AM Clouds / PM Sun
- Precip. probability: 4%
- Precipitation: 0mm
- Wind: 11km/hENE 64°
- Humidity: 47%
- 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: 9km/hNE 55°
- Humidity: 45%
- UV index: 11
- Sunrise: 05:05 -03
- Sunset: 17:43 -03
- details ▼
- Saturday
- 7. Nov 2026
- 39°C
- 22°C
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0mm
- Wind: 12km/hENE 74°
- Humidity: 45%
- UV index: 11
- Sunrise: 05:05 -03
- Sunset: 17:43 -03
- details ▼
- Sunday
- 8. Nov 2026
- 38°C
- 24°C
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0mm
- Wind: 12km/hE 82°
- Humidity: 48%
- UV index: 11
- Sunrise: 05:05 -03
- Sunset: 17:43 -03
- details ▼
- Monday
- 9. Nov 2026
- 37°C
- 23°C
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0mm
- Wind: 13km/hE 85°
- Humidity: 49%
- UV index: 11
- Sunrise: 05:05 -03
- Sunset: 17:44 -03
- details ▼
For the next ten days, cloudiness will dominate.
Rain is not expected in Iaçu in the upcoming period.
Fluctuations in temperature will be barely perceptible in the forecast period ahead. Expected highs will hover between 36°C and 39°C, while changes in the overnight low will be also barely noticeable, as the minimum temperature is expected to range between 22°C and 24°C.
Friday and next Saturday, with the highest temperature of 39°C, will be the hottest days in Iaçu; Monday will be the coldest day, with the highest temperature of 36°C.
Taking the humidity into consideration, the maximum feel-like temperature may increase greatly and vary between a torridly hot 44°C and a blazing hot 49°C.
Rain is not expected in Iaçu in the upcoming period.
Fluctuations in temperature will be barely perceptible in the forecast period ahead. Expected highs will hover between 36°C and 39°C, while changes in the overnight low will be also barely noticeable, as the minimum temperature is expected to range between 22°C and 24°C.
Friday and next Saturday, with the highest temperature of 39°C, will be the hottest days in Iaçu; Monday will be the coldest day, with the highest temperature of 36°C.
Taking the humidity into consideration, the maximum feel-like temperature may increase greatly and vary between a torridly hot 44°C and a blazing hot 49°C.
Updated: Oct 31, 2026 @ 19:19:56 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, intermittent cloud cover is expected, allowing for some sunshine.
Tomorrow, the maximum temperature in Iaçu will be 37°C, while the minimum temperature will be 23°C. The maximum heat index, which indicates how humid air affects the felt temperature, is calculated to be 46°C.
Tomorrow, the maximum temperature will be uncommonly higher than the average highest temperature of 31.2°C in October. Tomorrow, the lowest temperature will be a couple of degrees higher than the average low temperature.
Tomorrow, the maximum temperature will be uncommonly higher than the average highest temperature of 31.2°C in October. Tomorrow, the lowest temperature will be a couple of degrees 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.





