Weather forecast for tomorrowCastanhal, Brazil

Weather forecast for tomorrow

Monday 2. Nov 2026

  • 34°C
  • 24°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 20km/hNE 54°
  • Humidity: 62%
  • UV index: 11
  • Sunrise: 05:50 -03
  • Sunset: 18:00 -03
  • ▼
Tomorrow, thin clouds will pass through at times, but overall, it will remain bright.
The temperature is forecasted to vary between a humid 34°C and a temperate 24°C.
The maximum heat index, which factors the actual air temperature with the relative humidity, is calculated to be a blistering 43°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 expected peak temperature will reflect the average November 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 period: 12h - 15h 39°C.
Coldest period: 3h - 6h 28°C.

Chance of precipitation

Highest chance: 15h 50%.

Hourly weather forecast

  • 0h
  • 26°C
  • Feels like:
    29°C
Mostly Clear
Mostly Clear
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 11km/hNE 49°
  • Humidity: 82%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 2h
  • 25°C
  • Feels like:
    28°C
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 8km/hNE 50°
  • Humidity: 87%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 4h
  • 25°C
  • Feels like:
    28°C
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 6km/hNE 54°
  • Humidity: 89%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunrise: 05:50
  • 6h
  • 25°C
  • Feels like:
    28°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 6km/hENE 68°
  • Humidity: 90%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 8h
  • 29°C
  • Feels like:
    33°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 16km/hENE 66°
  • Humidity: 74%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 10h
  • 32°C
  • Feels like:
    38°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 20km/hENE 68°
  • Humidity: 59%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 9
  • ▼
  • 12h
  • 33°C
  • Feels like:
    39°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 17km/hENE 63°
  • Humidity: 55%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 14h
  • 33°C
  • Feels like:
    39°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0mm
  • Wind: 18km/hNE 42°
  • Humidity: 56%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 9
  • ▼
  • 16h
  • 32°C
  • Feels like:
    38°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 18km/hNE 39°
  • Humidity: 60%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 18h
  • 31°C
  • Feels like:
    35°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 15km/hNE 43°
  • Humidity: 64%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 18:00
  • 20h
  • 29°C
  • Feels like:
    32°C
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 15km/hNE 51°
  • Humidity: 70%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 27°C
  • Feels like:
    30°C
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 14km/hENE 58°
  • Humidity: 77%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Tomorrow, a combination of primarily overcast and occasionally damp and bright weather is forecasted.
With a probability of 50%, minimal rainfall is expected around midnight.
The temperature will be between a minimum of 25°C and a maximum of 34°C. The feels-like temperature will vary between a minimum of 28°C and a maximum of 39°C. The hottest part of the day will be around 13h.
The maximum temperature will be resembling November's average highest temperature of 33.5°C. The night temperature will be also consistent with the standard November low of 22.9°C.
The warmest months in Castanhal are October and November, with an average high-temperature of 33.5°C.
Updated: Nov 1, 2026 @ 07:57:03 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, changing cloud patterns will allow for periods of sunshine.

Tomorrow, the maximum temperature will be 34°C, while the minimum temperature will be 24°C. The maximum heat index, which integrates air moisture with ambient temperature, is estimated at 43°C.
The highest temperature will be in line with the average maximum of 33.5°C in November. The lowest temperature will be also in line with the average low of 22.9°C.

On Monday, in Castanhal, sunrise will be at 05:50 and sunset at 18:00 (-03).

Tomorrow in Castanhal, the daylight will last for 12h and 10min.