Weather forecast for tomorrowCastanhal, Brazil
Weather forecast for tomorrow
Sunday 1. Nov 2026
- 35°C
- 25°C
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0mm
- Wind: 18km/hNE 50°
- Humidity: 60%
- UV index: 11
- Sunrise: 05:50 -03
- Sunset: 18:00 -03
- details ▼
Tomorrow, a partly cloudy sky is also anticipated.
Rainfall is not expected. Predicted temperatures will peak at a torrid 35°C and dip to a minimum of a temperate 25°C.
The maximum heat index, which combines air temperature and relative humidity, is appraised at a searing 45°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's peak temperature is predicted to align with October's common high of 33.5°C.
Sunrise will be at 05:50 and sunset at 18:00; tomorrow's daylight will last for 12h and 10min.
Rainfall is not expected. Predicted temperatures will peak at a torrid 35°C and dip to a minimum of a temperate 25°C.
The maximum heat index, which combines air temperature and relative humidity, is appraised at a searing 45°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's peak temperature is predicted to align with October's common high of 33.5°C.
Sunrise will be at 05:50 and sunset at 18:00; tomorrow's daylight will last for 12h and 10min.
Hourly overview
Hourly temperatures
Warmest hour: 15h 41°C.
Coldest period: 3h - 6h 27°C.
Coldest period: 3h - 6h 27°C.
Chance of precipitation
Highest chance: 12h 10%.
Hourly weather forecast
- 0h
- 25°C
- Feels like:28°C
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 10km/hNE 42°
- Humidity: 86%
- Pressure: 1010mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 2h
- 25°C
- Feels like:27°C
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0mm
- Wind: 6km/hNE 43°
- Humidity: 91%
- Pressure: 1009mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 4h
- 24°C
- Feels like:27°C
Clear
- Precip. probability: 8%
- Precipitation: 0mm
- Wind: 5km/hNE 43°
- Humidity: 93%
- Pressure: 1009mbar
- Visibility: 16km
- UV index: 0
- details ▼
Sunrise: 05:50
- 6h
- 24°C
- Feels like:27°C
Sunny
- Precip. probability: 9%
- Precipitation: 0mm
- Wind: 5km/hNE 53°
- Humidity: 93%
- Pressure: 1010mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 8h
- 28°C
- Feels like:33°C
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0mm
- Wind: 15km/hENE 59°
- Humidity: 75%
- Pressure: 1012mbar
- Visibility: 16km
- UV index: 3
- details ▼
- 10h
- 32°C
- Feels like:38°C
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0mm
- Wind: 18km/hENE 64°
- Humidity: 59%
- Pressure: 1012mbar
- Visibility: 16km
- UV index: 11
- details ▼
- 12h
- 34°C
- Feels like:40°C
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0mm
- Wind: 15km/hENE 61°
- Humidity: 53%
- Pressure: 1010mbar
- Visibility: 16km
- UV index: 11
- details ▼
- 14h
- 35°C
- Feels like:41°C
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0mm
- Wind: 16km/hNE 40°
- Humidity: 52%
- Pressure: 1008mbar
- Visibility: 16km
- UV index: 11
- details ▼
- 16h
- 34°C
- Feels like:40°C
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0mm
- Wind: 15km/hNE 35°
- Humidity: 54%
- Pressure: 1007mbar
- Visibility: 16km
- UV index: 3
- details ▼
- 18h
- 31°C
- Feels like:36°C
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0mm
- Wind: 15km/hNE 38°
- Humidity: 60%
- Pressure: 1008mbar
- Visibility: 16km
- UV index: 0
- details ▼
Sunset: 18:00
- 20h
- 29°C
- Feels like:33°C
Clear
- Precip. probability: 3%
- Precipitation: 0mm
- Wind: 16km/hNE 46°
- Humidity: 68%
- Pressure: 1010mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 22h
- 27°C
- Feels like:30°C
Clear
- Precip. probability: 4%
- Precipitation: 0mm
- Wind: 15km/hNE 50°
- Humidity: 77%
- Pressure: 1010mbar
- Visibility: 16km
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of primarily cloudy and occasionally sun-filled and damp weather is predicted.
The temperature will vary between a minimum of 24°C and a maximum of 35°C. The feels-like temperature will be between a minimum of 27°C and a maximum of 41°C. The hottest part of the day will be from 13h to 15h.
The maximum temperature tomorrow will be resembling October's average high. The lowest temperature tomorrow will be also slightly warmer than the standard minimum for October.
October and November, with an average high-temperature of 33.5°C, are the warmest months in Castanhal.
The temperature will vary between a minimum of 24°C and a maximum of 35°C. The feels-like temperature will be between a minimum of 27°C and a maximum of 41°C. The hottest part of the day will be from 13h to 15h.
The maximum temperature tomorrow will be resembling October's average high. The lowest temperature tomorrow will be also slightly warmer than the standard minimum for October.
October and November, with an average high-temperature of 33.5°C, are the warmest months in Castanhal.
Updated: Oct 31, 2026 @ 10:32:45 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 Sunday, in Castanhal, occasional clouds will pass by, but expect bright spells.
No, it will not rain tomorrow.
Tomorrow, the maximum temperature in Castanhal will be 35°C, while the minimum temperature will be 25°C. The maximum heat index, which represents the influence of relative humidity on air temperature, is computed to be 45°C.
Tomorrow, the highest temperature will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be moderately higher than 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 moderately higher than the average low temperature.
On Sunday, in Castanhal, sunrise will be at 05:50 and sunset at 18:00 (-03).
In Castanhal, the length of the day tomorrow will be 12h and 10min.
