Weather forecast for tomorrowCastanhal, Brazil
Weather forecast for tomorrow
Saturday 31. Oct 2026
- 36°C
- 24°C
Mostly Sunny
- Precip. probability: 20%
- Precipitation: 0mm
- Wind: 17km/hNE 51°
- Humidity: 57%
- UV index: 11
- Sunrise: 05:50 -03
- Sunset: 18:00 -03
- details ▼
Tomorrow, on Saturday, 31st of October, mostly clear skies and sunshine will create ideal daytime conditions.
The expected temperature range extends from a high of a fiery hot 36°C to a low of a temperate 24°C.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is calculated to be a blazing hot 47°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The forecasted high for tomorrow is forecasted to be a couple of degrees higher than the typical October maximum of 33.5°C.
Sunrise will be at 05:50 and sunset at 18:00; tomorrow's daylight will last for 12h and 10min.
The expected temperature range extends from a high of a fiery hot 36°C to a low of a temperate 24°C.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is calculated to be a blazing hot 47°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The forecasted high for tomorrow is forecasted to be a couple of degrees higher than the typical October maximum 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 period: 12h - 15h 41°C.
Coldest hour: 6h 26°C.
Coldest hour: 6h 26°C.
Chance of precipitation
Highest chance: 6h 9%.
Hourly weather forecast
- 0h
- 25°C
- Feels like:28°C
Clear
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 10km/hENE 59°
- Humidity: 88%
- Pressure: 1010mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 2h
- 24°C
- Feels like:27°C
Clear
- Precip. probability: 8%
- Precipitation: 0mm
- Wind: 6km/hENE 67°
- Humidity: 93%
- Pressure: 1010mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 4h
- 24°C
- Feels like:27°C
Clear
- Precip. probability: 9%
- Precipitation: 0mm
- Wind: 5km/hENE 71°
- Humidity: 93%
- Pressure: 1010mbar
- Visibility: 12km
- UV index: 0
- details ▼
Sunrise: 05:50
- 6h
- 24°C
- Feels like:26°C
Sunny
- Precip. probability: 9%
- Precipitation: 0mm
- Wind: 5km/hE 81°
- Humidity: 94%
- Pressure: 1010mbar
- Visibility: 11km
- UV index: 0
- details ▼
- 8h
- 28°C
- Feels like:32°C
Sunny
- Precip. probability: 4%
- Precipitation: 0mm
- Wind: 14km/hENE 68°
- Humidity: 76%
- Pressure: 1012mbar
- Visibility: 16km
- UV index: 3
- details ▼
- 10h
- 32°C
- Feels like:38°C
Sunny
- Precip. probability: 0%
- Precipitation: 0mm
- Wind: 17km/hENE 66°
- Humidity: 59%
- Pressure: 1012mbar
- Visibility: 16km
- UV index: 11
- details ▼
- 12h
- 35°C
- Feels like:41°C
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0mm
- Wind: 14km/hENE 60°
- Humidity: 51%
- Pressure: 1010mbar
- Visibility: 16km
- UV index: 11
- details ▼
- 14h
- 36°C
- Feels like:41°C
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0mm
- Wind: 14km/hNE 41°
- Humidity: 46%
- Pressure: 1008mbar
- Visibility: 16km
- UV index: 11
- details ▼
- 16h
- 34°C
- Feels like:39°C
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0mm
- Wind: 13km/hNNE 27°
- Humidity: 47%
- Pressure: 1007mbar
- Visibility: 16km
- UV index: 3
- details ▼
- 18h
- 32°C
- Feels like:36°C
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0mm
- Wind: 14km/hNNE 28°
- Humidity: 57%
- Pressure: 1008mbar
- Visibility: 16km
- UV index: 0
- details ▼
Sunset: 18:00
- 20h
- 29°C
- Feels like:32°C
Clear
- Precip. probability: 3%
- Precipitation: 0mm
- Wind: 15km/hNE 38°
- Humidity: 68%
- Pressure: 1009mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 22h
- 27°C
- Feels like:29°C
Clear
- Precip. probability: 5%
- Precipitation: 0mm
- Wind: 13km/hNE 44°
- Humidity: 77%
- Pressure: 1010mbar
- Visibility: 16km
- UV index: 0
- details ▼
Tomorrow, a combination of dry and sunny and cloud-filled weather is anticipated.
The temperature will be between the lowest temperature of 24°C and the highest temperature of 36°C. The feels-like temperature will vary between a minimum of 26°C and a maximum of 41°C. The hottest part of the day will be around 14h.
The temperature is expected to be a few degrees higher than the average peak in October, which is 33.5°C. The expected low will be also close to the average minimum in October, which is 22.4°C.
October and November, with an average high-temperature of 33.5°C, are the warmest months in Castanhal.
The temperature will be between the lowest temperature of 24°C and the highest temperature of 36°C. The feels-like temperature will vary between a minimum of 26°C and a maximum of 41°C. The hottest part of the day will be around 14h.
The temperature is expected to be a few degrees higher than the average peak in October, which is 33.5°C. The expected low will be also close to the average minimum in October, which is 22.4°C.
October and November, with an average high-temperature of 33.5°C, are the warmest months in Castanhal.
Updated: Oct 30, 2026 @ 14:39:22 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
Tomorrow, mainly sunny skies with just a few high clouds are anticipated.
Tomorrow, the maximum temperature will be 36°C, while the minimum temperature will be 24°C. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is computed to be 47°C.
The highest temperature tomorrow will be slightly warmer than the average maximum temperature in October. The lowest temperature tomorrow will be in line with the average low temperature.
The highest temperature tomorrow will be slightly warmer than the average maximum temperature in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Saturday, in Castanhal, sunrise will be at 05:50 and sunset at 18:00 (-03).
In Castanhal, tomorrow, there will be 12h and 10min of daylight.





