Weather forecast for 10 daysCastanhal, Brazil
Weather forecast for the weekend
Saturday 24. Oct 2026
- 34°C
- 24°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 19km/hNE 50°
- Humidity: 65%
- UV index: 11
- Sunrise: 05:51 -03
- Sunset: 18:00 -03
- details ▼
Tomorrow, in Castanhal, changing cloud patterns will allow for periods of sunshine.
The temperature will vary between a maximum of a blazing 34°C and a minimum of a warm 24°C.
The maximum heat index, which adjusts the air temperature based on humidity, is computed to be a blisteringly hot 44°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.
Tomorrow's top temperature will adhere to the average October high temperature of 33.5°C.
Sunrise will be at 05:51 and sunset at 18:00; tomorrow's daylight will last for 12h and 9min.
The temperature will vary between a maximum of a blazing 34°C and a minimum of a warm 24°C.
The maximum heat index, which adjusts the air temperature based on humidity, is computed to be a blisteringly hot 44°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.
Tomorrow's top temperature will adhere to the average October high temperature of 33.5°C.
Sunrise will be at 05:51 and sunset at 18:00; tomorrow's daylight will last for 12h and 9min.
Sunday 25. Oct 2026
- 35°C
- 24°C
PM Showers
- Precip. probability: 36%
- Precipitation: 1mm
- Wind: 20km/hNE 45°
- Humidity: 61%
- UV index: 11
- Sunrise: 05:51 -03
- Sunset: 18:00 -03
- details ▼
On Sunday, 25th of October, light showers are expected to pass through in the afternoon.
Minimal precipitation is forecasted. The highest temperature will be a steamy 35°C, while the lowest temperature will be a moderately hot 24°C.
The expected daily high is projected to match October's typical maximum of 33.5°C.
Sunrise will be at 05:51 and sunset at 18:00; the daylight will last for 12h and 9min.
Minimal precipitation is forecasted. The highest temperature will be a steamy 35°C, while the lowest temperature will be a moderately hot 24°C.
The expected daily high is projected to match October's typical maximum of 33.5°C.
Sunrise will be at 05:51 and sunset at 18:00; the daylight will last for 12h and 9min.
10-day overview
Daily temperatures
Maximum temperature: 36°C.
Coldest day: tomorrow 34°C.
Coldest day: tomorrow 34°C.
Chance of precipitation
Highest chance: Sunday 36%.
Long-term weather forecast
- Friday
- 23. Oct 2026
- 35°C
- 24°C
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0mm
- Wind: 17km/hENE 57°
- Humidity: 65%
- UV index: 11
- Sunrise: 05:51 -03
- Sunset: 18:00 -03
- details ▼
- Saturday
- 24. Oct 2026
- 34°C
- 24°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 19km/hNE 50°
- Humidity: 65%
- UV index: 11
- Sunrise: 05:51 -03
- Sunset: 18:00 -03
- details ▼
- Sunday
- 25. Oct 2026
- 35°C
- 24°C
PM Showers
- Precip. probability: 36%
- Precipitation: 1mm
- Wind: 20km/hNE 45°
- Humidity: 61%
- UV index: 11
- Sunrise: 05:51 -03
- Sunset: 18:00 -03
- details ▼
- Monday
- 26. Oct 2026
- 36°C
- 24°C
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0mm
- Wind: 18km/hNE 39°
- Humidity: 58%
- UV index: 11
- Sunrise: 05:50 -03
- Sunset: 18:00 -03
- details ▼
- Tuesday
- 27. Oct 2026
- 36°C
- 24°C
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0mm
- Wind: 16km/hNE 40°
- Humidity: 58%
- UV index: 11
- Sunrise: 05:50 -03
- Sunset: 18:00 -03
- details ▼
- Wednesday
- 28. Oct 2026
- 36°C
- 24°C
Mostly Sunny
- Precip. probability: 11%
- Precipitation: 0mm
- Wind: 16km/hNE 52°
- Humidity: 59%
- UV index: 11
- Sunrise: 05:50 -03
- Sunset: 18:00 -03
- details ▼
- Thursday
- 29. Oct 2026
- 35°C
- 24°C
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0mm
- Wind: 17km/hENE 57°
- Humidity: 61%
- UV index: 11
- Sunrise: 05:50 -03
- Sunset: 18:00 -03
- details ▼
- Friday
- 30. Oct 2026
- 35°C
- 24°C
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0mm
- Wind: 17km/hNE 52°
- 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: 3%
- Precipitation: 0mm
- Wind: 16km/hNE 49°
- Humidity: 57%
- UV index: 11
- Sunrise: 05:50 -03
- Sunset: 18:00 -03
- details ▼
- Sunday
- 1. Nov 2026
- 35°C
- 24°C
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0mm
- Wind: 17km/hNE 50°
- Humidity: 58%
- UV index: 11
- Sunrise: 05:50 -03
- Sunset: 18:00 -03
- details ▼
Over the next ten days, a mix of cloudy, dry and sunny and wet weather is anticipated.
With a probability of 36%, rainfall is predicted only for Sunday. Forecasted precipitation will be minimal at 1mm.
The maximum temperature will be very similar in the upcoming period. The maximum temperature will vary between 34°C and 36°C, while the minimum remains unchanged, holding at 24°C.
The hottest days in Castanhal will be Monday through Wednesday and next Saturday, with a maximum of 36°C; the lowest daytime temperature of the period will be reached on Saturday, peaking at 34°C.
Taking the humidity into consideration, the maximum feel-like temperature may increase significantly and range between a scorching 44°C and a searing 48°C.
October and November, with an average high-temperature of 33.5°C, are the warmest months in Castanhal.
With a probability of 36%, rainfall is predicted only for Sunday. Forecasted precipitation will be minimal at 1mm.
The maximum temperature will be very similar in the upcoming period. The maximum temperature will vary between 34°C and 36°C, while the minimum remains unchanged, holding at 24°C.
The hottest days in Castanhal will be Monday through Wednesday and next Saturday, with a maximum of 36°C; the lowest daytime temperature of the period will be reached on Saturday, peaking at 34°C.
Taking the humidity into consideration, the maximum feel-like temperature may increase significantly and range between a scorching 44°C and a searing 48°C.
October and November, with an average high-temperature of 33.5°C, are the warmest months in Castanhal.
Updated: Oct 23, 2026 @ 09:08:54 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
In Castanhal, a combination of cloudy, mostly clear and showery weather is forecasted for the next ten days.
Rainfall is forecasted only for Sunday. With a probability of 36%, minimal precipitation of 1mm is expected.
The maximum temperature will vary between 34°C and 36°C, while the minimum temperature will be a persistent 24°C.
Combining with the humidity, the maximum feel-like temperature will vary between 44°C and 48°C.
Combining with the humidity, the maximum feel-like temperature will vary between 44°C and 48°C.
With a maximum temperature of 36°C, Monday through Wednesday and next Saturday will be the hottest days. Tomorrow will be the coldest day, with a maximum temperature of 34°C.
Tomorrow, a partly cloudy sky is anticipated.
Tomorrow, the maximum temperature in Castanhal will be 34°C, while the minimum temperature will be 24°C. The maximum heat index, which combines relative humidity and air temperature, is evaluated at 44°C.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.
On Saturday, in Castanhal, sunrise will be at 05:51 and sunset at 18:00 (-03).
In Castanhal, tomorrow, there will be 12h and 9min of daylight.
On Sunday, in Castanhal, expect light rain showers during the afternoon, though they should remain brief.
On Sunday, there is a low probability of minimal rainfall in Castanhal.
On Sunday, the maximum temperature will be 35°C, while the minimum temperature will be 24°C.
