Weather forecast for 10 daysCastanhal, Brazil
Weather forecast for the weekend
Saturday 24. Oct 2026
- 34°C
- 24°C
PM Showers
- Precip. probability: 34%
- Precipitation: 1mm
- Wind: 19km/hNE 50°
- Humidity: 65%
- UV index: 11
- Sunrise: 05:51 -03
- Sunset: 18:00 -03
- details ▼
Tomorrow, in Castanhal, spotty afternoon showers could bring wet conditions to parts of the area.
Minimal precipitation is anticipated. Temperature fluctuations between a blazing 34°C and a temperate 24°C are expected.
The maximum heat index, which combines relative humidity and air temperature, is estimated at a scorching 44°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The predicted 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; tomorrow's daylight will last for 12h and 9min.
Minimal precipitation is anticipated. Temperature fluctuations between a blazing 34°C and a temperate 24°C are expected.
The maximum heat index, which combines relative humidity and air temperature, is estimated at a scorching 44°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The predicted 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; tomorrow's daylight will last for 12h and 9min.
Sunday 25. Oct 2026
- 35°C
- 24°C
PM Showers
- Precip. probability: 33%
- 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, spotty afternoon showers could bring wet conditions to parts of the area.
Minimal precipitation is predicted. The highest temperature will be a sweltering 35°C, while the lowest temperature will be a moderately hot 24°C.
Sunday's maximum temperature is expected to reflect the standard October high 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 predicted. The highest temperature will be a sweltering 35°C, while the lowest temperature will be a moderately hot 24°C.
Sunday's maximum temperature is expected to reflect the standard October high 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 period: today - tomorrow 34°C.
Coldest period: today - tomorrow 34°C.
Chance of precipitation
Highest chance: tomorrow 34%.
Long-term weather forecast
- Friday
- 23. Oct 2026
- 34°C
- 24°C
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0mm
- Wind: 17km/hNE 51°
- Humidity: 57%
- UV index: 11
- Sunrise: 05:51 -03
- Sunset: 18:00 -03
- details ▼
- Saturday
- 24. Oct 2026
- 34°C
- 24°C
PM Showers
- Precip. probability: 34%
- Precipitation: 1mm
- 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: 33%
- 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
Partly Cloudy
- 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 39°
- 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: 15km/hNE 50°
- 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 ▼
During the ten-day period, cloud-filled, dry and sunny and rain-filled weather is predicted.
With minimal precipitation of 1mm, rain is predicted for Saturday and Sunday.
Highs will stay within a very narrow margin over the next several days. Highs will range from 34°C to 36°C, while the lowest temperature will continue at 24°C.
Monday through Wednesday and next Saturday, with the highest temperature of 36°C, will be the hottest days; Friday and Saturday, with the highest temperature of 34°C, will be the coldest days.
Combining with the humidity, the maximum feel-like temperature may increase vastly and vary between a blistering 41°C and a life-threatening 48°C.
The warmest months in Castanhal are October and November, with an average high-temperature of 33.5°C.
With minimal precipitation of 1mm, rain is predicted for Saturday and Sunday.
Highs will stay within a very narrow margin over the next several days. Highs will range from 34°C to 36°C, while the lowest temperature will continue at 24°C.
Monday through Wednesday and next Saturday, with the highest temperature of 36°C, will be the hottest days; Friday and Saturday, with the highest temperature of 34°C, will be the coldest days.
Combining with the humidity, the maximum feel-like temperature may increase vastly and vary between a blistering 41°C and a life-threatening 48°C.
The warmest months in Castanhal are October and November, with an average high-temperature of 33.5°C.
Updated: Oct 23, 2026 @ 12:45:03 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, dry and sunny and wet weather is forecasted for the next ten days.
With minimal precipitation of 1mm, rain is predicted for Saturday and Sunday in Castanhal.
The maximum temperature will range between 34°C and 36°C, while the minimum temperature will be a persistent 24°C.
Taking the humidity into consideration, the maximum feel-like temperature will vary between 41°C and 48°C.
Taking the humidity into consideration, the maximum feel-like temperature will vary between 41°C and 48°C.
With a maximum temperature of 36°C, Monday through Wednesday and next Saturday will be the hottest days. The coldest days will be Friday and Saturday, with a maximum of 34°C.
On Saturday, a few rain showers may pass through in the afternoon.
Tomorrow, there is a low probability of minimal rainfall in Castanhal.
Tomorrow, the highest temperature will be 34°C, while the lowest temperature will be 24°C. The maximum heat index, which indicates how humid air affects the felt temperature, is appraised at 44°C.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature will be also in line with the average low of 22.4°C.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature will be also in line with the average low of 22.4°C.
On Saturday, in Castanhal, sunrise will be at 05:51 and sunset at 18:00 (-03).
Tomorrow, the daylight will last for 12h and 9min.
On Sunday, showers may develop as the afternoon progresses.
On Sunday, there is a low chance of minimal precipitation in Castanhal.
On Sunday, the maximum temperature will be 35°C, while the minimum temperature will be 24°C.
