Weather forecast for 10 daysItanhém, Brazil

Weather forecast for the weekend

Saturday 31. Oct 2026

  • 33°C
  • 23°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 66%
  • Precipitation: 11mm
  • Wind: 11km/hE 92°
  • Humidity: 68%
  • UV index: 11
  • Sunrise: 05:03 -03
  • Sunset: 17:46 -03
  • ▼
Tomorrow, on Saturday, rain with scattered lightning is expected during the afternoon.
The likelihood of rain is high, and precipitation will be moderate. The temperature will vary between a maximum of a tropical 33°C and a minimum of a temperate 23°C.
The maximum heat index, which factors the actual air temperature with the relative humidity, is calculated to be a torridly hot 43°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The forecasted top temperature is expected to be a few degrees higher than the usual October maximum of 28.8°C.
Sunrise will be at 05:03 and sunset at 17:46; tomorrow's daylight will last for 12h and 43min.

Sunday 1. Nov 2026

  • 30°C
  • 22°C
PM Showers
PM Showers
  • Precip. probability: 33%
  • Precipitation: 2mm
  • Wind: 16km/hE 100°
  • Humidity: 75%
  • UV index: 11
  • Sunrise: 05:02 -03
  • Sunset: 17:47 -03
  • ▼
On Sunday, in Itanhém, a few afternoon showers could develop as the day warms up.
Minimal precipitation is predicted. The temperature will fluctuate from a high of a blazing 30°C to a low of a delightful 22°C.
The maximum temperature will align with October's usual high of 28.8°C.
Sunrise will be at 05:02 and sunset at 17:47; the daylight will last for 12h and 44min.

10-day overview

Daily temperatures

Warmest day: Thursday 38°C.
Coldest day: Sunday 30°C.

Chance of precipitation

Highest chance: tomorrow 66%.

Long-term weather forecast

  • Friday
  • 30. Oct 2026
  • min.
  • 23°C
Showers Early
Showers Early
  • Precip. probability: 30%
  • Precipitation: 0mm
  • Wind: 6km/hNW 324°
  • Humidity: 91%
  • UV index: 0
  • Sunrise: 05:03 -03
  • Sunset: 17:46 -03
  • ▼
  • Saturday
  • 31. Oct 2026
  • 33°C
  • 23°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 66%
  • Precipitation: 11mm
  • Wind: 11km/hE 92°
  • Humidity: 68%
  • UV index: 11
  • Sunrise: 05:03 -03
  • Sunset: 17:46 -03
  • ▼
  • Sunday
  • 1. Nov 2026
  • 30°C
  • 22°C
PM Showers
PM Showers
  • Precip. probability: 33%
  • Precipitation: 2mm
  • Wind: 16km/hE 100°
  • Humidity: 75%
  • UV index: 11
  • Sunrise: 05:02 -03
  • Sunset: 17:47 -03
  • ▼
  • Monday
  • 2. Nov 2026
  • 33°C
  • 22°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0mm
  • Wind: 17km/hENE 69°
  • Humidity: 62%
  • UV index: 11
  • Sunrise: 05:02 -03
  • Sunset: 17:47 -03
  • ▼
  • Tuesday
  • 3. Nov 2026
  • 35°C
  • 22°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 15km/hNE 40°
  • Humidity: 55%
  • UV index: 11
  • Sunrise: 05:01 -03
  • Sunset: 17:47 -03
  • ▼
  • Wednesday
  • 4. Nov 2026
  • 37°C
  • 23°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 14km/hNNE 30°
  • Humidity: 52%
  • UV index: 11
  • Sunrise: 05:01 -03
  • Sunset: 17:48 -03
  • ▼
  • Thursday
  • 5. Nov 2026
  • 38°C
  • 24°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 13km/hNNE 18°
  • Humidity: 51%
  • UV index: 11
  • Sunrise: 05:01 -03
  • Sunset: 17:48 -03
  • ▼
  • Friday
  • 6. Nov 2026
  • 37°C
  • 23°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 56%
  • Precipitation: 8mm
  • Wind: 11km/hNNE 26°
  • Humidity: 55%
  • UV index: 11
  • Sunrise: 05:00 -03
  • Sunset: 17:49 -03
  • ▼
  • Saturday
  • 7. Nov 2026
  • 33°C
  • 23°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 53%
  • Precipitation: 11mm
  • Wind: 13km/hESE 109°
  • Humidity: 69%
  • UV index: 9
  • Sunrise: 05:00 -03
  • Sunset: 17:49 -03
  • ▼
  • Sunday
  • 8. Nov 2026
  • 31°C
  • 20°C
Thunderstorms
Thunderstorms
  • Precip. probability: 60%
  • Precipitation: 14mm
  • Wind: 13km/hESE 113°
  • Humidity: 71%
  • UV index: 9
  • Sunrise: 05:00 -03
  • Sunset: 17:50 -03
  • ▼
Models point to a combination of unstable, cloudy and wet weather is forecasted.
Rain is predicted for Saturday, Sunday, next Friday through next Sunday.
Temperature fluctuation will be noticeable in the coming days. The maximum temperature will vary between 30°C and 38°C, while the lowest temperature will be between 20°C and 24°C.
Expect the hottest day on Thursday, with temperatures peaking at 38°C; with the highest temperature of 30°C, Sunday will be the coldest day.
Including the humidity's impact, the maximum feel-like temperature may increase significantly and range between a very hot 36°C and a searing 49°C.
Updated: Oct 31, 2026 @ 02:32:43 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, rumbles of thunder are possible along with moderate rain in the afternoon.

Moderate precipitation of 11mm is predicted. The likelihood of rainfall is 66%.

Tomorrow, the highest temperature will be 33°C, while the lowest temperature will be 23°C. The maximum heat index, which adjusts the air temperature based on humidity, is assessed at 43°C.
The maximum temperature tomorrow will be relatively higher than the average highest temperature in October. Tomorrow, the lowest temperature will be also a couple of degrees higher than the average low temperature.

On Saturday, in Itanhém, sunrise will be at 05:03 and sunset at 17:46 (-03).

In Itanhém, Brazil, tomorrow, there will be 12h and 43min of daylight.

On Sunday, expect afternoon showers, though they should remain light and brief.

On Sunday, there is a low probability of minimal rainfall in Itanhém.

On Sunday, the maximum temperature will be 30°C, while the minimum temperature will be 22°C.