Weather forecast for 10 daysIaçu, Brazil

Weather forecast for the weekend

Sunday 1. Nov 2026

  • 37°C
  • 23°C
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 20km/hE 93°
  • Humidity: 49%
  • UV index: 11
  • Sunrise: 05:07 -03
  • Sunset: 17:41 -03
  • ▼
Tomorrow, in Iaçu, the day starts cloudy, but conditions will brighten up as the afternoon unfolds.
The highest predicted temperature is a sizzling 37°C, while the lowest temperature will be a temperate 23°C.
The maximum heat index, which measures the combined effect of heat and moisture, is evaluated at a blazing hot 45°C. Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The day's maximum temperature is forecasted to be noticeably higher than the average November value of 31.3°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.

Chance of precipitation

Highest chance: Monday 09.11. 32%.

Long-term weather forecast

  • Saturday
  • 31. Oct 2026
  • min.
  • 23°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 12km/hENE 69°
  • Humidity: 84%
  • UV index: 0
  • Sunrise: 05:07 -03
  • Sunset: 17:41 -03
  • ▼
  • Sunday
  • 1. Nov 2026
  • 37°C
  • 23°C
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 20km/hE 93°
  • Humidity: 49%
  • UV index: 11
  • Sunrise: 05:07 -03
  • Sunset: 17:41 -03
  • ▼
  • Monday
  • 2. Nov 2026
  • 36°C
  • 23°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 21km/hE 86°
  • Humidity: 50%
  • UV index: 11
  • Sunrise: 05:06 -03
  • Sunset: 17:41 -03
  • ▼
  • Tuesday
  • 3. Nov 2026
  • 37°C
  • 22°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 16km/hE 79°
  • Humidity: 50%
  • UV index: 11
  • Sunrise: 05:06 -03
  • Sunset: 17:42 -03
  • ▼
  • Wednesday
  • 4. Nov 2026
  • 38°C
  • 22°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 12km/hENE 65°
  • Humidity: 48%
  • UV index: 11
  • Sunrise: 05:06 -03
  • Sunset: 17:42 -03
  • ▼
  • Thursday
  • 5. Nov 2026
  • 38°C
  • 22°C
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 11km/hENE 63°
  • Humidity: 47%
  • UV index: 11
  • Sunrise: 05:06 -03
  • Sunset: 17:42 -03
  • ▼
  • Friday
  • 6. Nov 2026
  • 39°C
  • 23°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 9km/hENE 59°
  • Humidity: 46%
  • UV index: 11
  • Sunrise: 05:05 -03
  • Sunset: 17:43 -03
  • ▼
  • Saturday
  • 7. Nov 2026
  • 39°C
  • 23°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 12km/hENE 70°
  • Humidity: 46%
  • UV index: 11
  • Sunrise: 05:05 -03
  • Sunset: 17:43 -03
  • ▼
  • Sunday
  • 8. Nov 2026
  • 37°C
  • 24°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 11km/hENE 70°
  • Humidity: 49%
  • UV index: 11
  • Sunrise: 05:05 -03
  • Sunset: 17:43 -03
  • ▼
  • Monday
  • 9. Nov 2026
  • 36°C
  • 23°C
PM Showers
PM Showers
  • Precip. probability: 32%
  • Precipitation: 1mm
  • Wind: 15km/hE 95°
  • Humidity: 52%
  • UV index: 11
  • Sunrise: 05:05 -03
  • Sunset: 17:44 -03
  • ▼
In the days ahead, primarily cloudy and occasionally rain-soaked weather is anticipated.
With a probability of 32%, rainfall is forecasted only for next Monday. The precipitation will be minimal at 1mm.
The high temperatures are expected to remain largely stable in the forecast period ahead. Highs will range from 36°C to 39°C, while fluctuations in the night’s lowest temperature will be also minimal, as the overnight low will fall between 22°C and 24°C.
The hottest days in Iaçu will be Friday and next Saturday, with a maximum of 39°C; with a maximum temperature of 36°C, Monday and next Monday will be the coldest days in Iaçu.
Taking the humidity into consideration, the maximum feel-like temperature may increase considerably and vary between a scorching 43°C and a life-threatening 49°C.
Updated: Nov 1, 2026 @ 01:05:04 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Iaçu, morning clouds will linger before giving way to afternoon sunshine.

Tomorrow, the highest temperature will be 37°C, while the lowest temperature will be 23°C. The maximum heat index, which combines air temperature and relative humidity, is appraised at 45°C.
The highest temperature tomorrow will be significantly higher than the average maximum of 31.3°C in November. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in Iaçu, sunrise will be at 05:07 and sunset at 17:41 (-03).

Tomorrow, the daylight will last for 12h and 34min.