Weather forecast for 10 daysCastanhal, Brazil
Weather forecast for the weekend
Saturday 24. Oct 2026
- 34°C
- 25°C
Mostly Sunny
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 19km/hNE 46°
- Humidity: 70%
- UV index: 11
- Sunrise: 05:51 -03
- Sunset: 18:00 -03
- details ▼
On Saturday, 24th of October, mostly sunny and dry conditions will continue.
Temperatures will oscillate between a humid 34°C at their highest and a temperate 25°C at their lowest.
The maximum heat index, which integrates air moisture with ambient temperature, is appraised at a burning hot 47°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 forecasted temperature peak will correspond with October's average maximum of 33.5°C.
Sunrise will be at 05:51 and sunset at 18:00; the daylight will last for 12h and 9min.
Temperatures will oscillate between a humid 34°C at their highest and a temperate 25°C at their lowest.
The maximum heat index, which integrates air moisture with ambient temperature, is appraised at a burning hot 47°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 forecasted temperature peak will correspond with October's average maximum of 33.5°C.
Sunrise will be at 05:51 and sunset at 18:00; the daylight will last for 12h and 9min.
Sunday 25. Oct 2026
- 35°C
- 24°C
PM Showers
- Precip. probability: 32%
- Precipitation: 1mm
- Wind: 20km/hNE 45°
- Humidity: 62%
- UV index: 11
- Sunrise: 05:51 -03
- Sunset: 18:00 -03
- details ▼
Tomorrow, spotty afternoon showers could bring wet conditions to parts of the area.
Minimal precipitation is anticipated. The maximum temperature will be a steamy 35°C, while the minimum temperature will be a warm 24°C.
The maximum heat index, which combines relative humidity and air temperature, is evaluated at a life-threatening 46°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.
Tomorrow, the maximum temperature is predicted to be in line with the typical October high of 33.5°C.
Sunrise will be at 05:51 and sunset at 18:00; tomorrow's daylight will last for 12h and 9min.
Minimal precipitation is anticipated. The maximum temperature will be a steamy 35°C, while the minimum temperature will be a warm 24°C.
The maximum heat index, which combines relative humidity and air temperature, is evaluated at a life-threatening 46°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.
Tomorrow, the maximum temperature is predicted to be in line with the typical October high of 33.5°C.
Sunrise will be at 05:51 and sunset at 18:00; tomorrow's daylight will last for 12h and 9min.
10-day overview
Daily temperatures
Maximum temperature: 36°C.
Coldest day: today 34°C.
Coldest day: today 34°C.
Chance of precipitation
Highest chance: tomorrow 32%.
Long-term weather forecast
- Saturday
- 24. Oct 2026
- 34°C
- 25°C
Mostly Sunny
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 19km/hNE 46°
- Humidity: 70%
- UV index: 11
- Sunrise: 05:51 -03
- Sunset: 18:00 -03
- details ▼
- Sunday
- 25. Oct 2026
- 35°C
- 24°C
PM Showers
- Precip. probability: 32%
- Precipitation: 1mm
- Wind: 20km/hNE 45°
- Humidity: 62%
- UV index: 11
- Sunrise: 05:51 -03
- Sunset: 18:00 -03
- details ▼
- Monday
- 26. Oct 2026
- 36°C
- 24°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 18km/hNE 39°
- Humidity: 60%
- UV index: 11
- Sunrise: 05:50 -03
- Sunset: 18:00 -03
- details ▼
- Tuesday
- 27. Oct 2026
- 36°C
- 24°C
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0mm
- Wind: 16km/hNE 37°
- Humidity: 59%
- UV index: 11
- Sunrise: 05:50 -03
- Sunset: 18:00 -03
- details ▼
- Wednesday
- 28. Oct 2026
- 36°C
- 24°C
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0mm
- Wind: 15km/hNE 50°
- Humidity: 58%
- UV index: 11
- Sunrise: 05:50 -03
- Sunset: 18:00 -03
- details ▼
- Thursday
- 29. Oct 2026
- 35°C
- 24°C
Mostly Sunny
- Precip. probability: 11%
- Precipitation: 0mm
- Wind: 18km/hENE 59°
- Humidity: 60%
- UV index: 11
- Sunrise: 05:50 -03
- Sunset: 18:00 -03
- details ▼
- Friday
- 30. Oct 2026
- 35°C
- 24°C
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0mm
- Wind: 18km/hNE 54°
- Humidity: 59%
- UV index: 11
- Sunrise: 05:50 -03
- Sunset: 18:00 -03
- details ▼
- Saturday
- 31. Oct 2026
- 36°C
- 24°C
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0mm
- Wind: 16km/hNE 51°
- Humidity: 57%
- UV index: 11
- Sunrise: 05:50 -03
- Sunset: 18:00 -03
- details ▼
- Sunday
- 1. Nov 2026
- 36°C
- 24°C
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0mm
- Wind: 17km/hNE 50°
- Humidity: 58%
- UV index: 11
- Sunrise: 05:50 -03
- Sunset: 18:00 -03
- details ▼
- Monday
- 2. Nov 2026
- 35°C
- 24°C
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0mm
- Wind: 18km/hNE 55°
- Humidity: 58%
- UV index: 11
- Sunrise: 05:50 -03
- Sunset: 18:00 -03
- details ▼
Models point to a combination of primarily cloudy and occasionally clear and wet weather is anticipated.
With a 32% probability, rainfall is anticipated only on Sunday. Forecasted precipitation will be minimal at 1mm.
The maximum temperature will be almost identical in the upcoming days. Expected highs will hover between 34°C and 36°C, while fluctuations in the night’s lowest temperature will be also minimal, as the overnight low will fall between 24°C and 25°C.
The hottest days will be Monday through Wednesday, next Saturday and Sunday, with a maximum of 36°C; today is the coldest day, with a maximum temperature of 34°C.
Combining with the humidity, the maximum feel-like temperature may increase vastly and range between a blistering 44°C and a life-threatening 48°C.
October and November, with an average high-temperature of 33.5°C, are the warmest months in Castanhal.
With a 32% probability, rainfall is anticipated only on Sunday. Forecasted precipitation will be minimal at 1mm.
The maximum temperature will be almost identical in the upcoming days. Expected highs will hover between 34°C and 36°C, while fluctuations in the night’s lowest temperature will be also minimal, as the overnight low will fall between 24°C and 25°C.
The hottest days will be Monday through Wednesday, next Saturday and Sunday, with a maximum of 36°C; today is the coldest day, with a maximum temperature of 34°C.
Combining with the humidity, the maximum feel-like temperature may increase vastly and range between a blistering 44°C and a life-threatening 48°C.
October and November, with an average high-temperature of 33.5°C, are the warmest months in Castanhal.
Updated: Oct 24, 2026 @ 06:13:33 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, in Castanhal, predominantly sunny weather will make for pleasant outdoor conditions.
Today, the maximum temperature will be 34°C, while the minimum temperature will be 25°C. The maximum heat index, which modifies the air temperature to account for humidity, is evaluated at 47°C.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature today will be moderately higher than the average low temperature.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature today will be moderately higher than the average low temperature.
On Saturday, in Castanhal, sunrise will be at 05:51 and sunset at 18:00 (-03).
In Castanhal, the length of the day today will be 12h and 9min.
On Sunday, a few afternoon showers could develop as the day warms up.
Tomorrow, there is a low chance of minimal precipitation in Castanhal.
Tomorrow, the highest temperature will be 35°C, while the lowest temperature will be 24°C. The maximum heat index, which measures the combined effect of heat and moisture, is calculated to be 46°C.
Tomorrow, the highest temperature 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.
Tomorrow, the highest temperature 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 Castanhal, sunrise will be at 05:51 and sunset at 18:00 (-03).
In Castanhal, the length of the day tomorrow will be 12h and 9min.





