Weather forecast for todayAltamira, Brazil

Weather forecast for today

Current condition 01:14 -03

  • 27°C
  • Feels like:
    32°C
Mostly Cloudy
Mostly Cloudy
  • Precipitation: 0mm
  • Wind: 6km/hNE 40°
  • Humidity: 87%
  • Dewpoint: 25°C
  • Pressure: 1010.84mbar
  • Visibility: 16.09km
  • UV index: 0
  • ▼
In Altamira, currently, scattered clouds are merging, creating mostly cloudy conditions.
The temperature is a warm 27°C, meanwhile, the apparent temperature of which reflects the perceived temperature due to humidity levels is assessed at a humid 32°C. The current temperature is near the lowest predicted 25°C for today.

Sunday 18. Oct 2026

  • 36°C
  • 25°C
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 18km/hENE 64°
  • Humidity: 60%
  • UV index: 11
  • Sunrise: 06:08 -03
  • Sunset: 18:19 -03
  • ▼
Today, in Altamira, morning clouds will linger before giving way to afternoon sunshine.
The temperature is predicted to oscillate between a maximum of a sizzling 36°C and a minimum of a moderately hot 25°C.
The maximum heat index, which measures the combined effect of heat and moisture, is evaluated at a dangerously hot 48°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 highest temperature is forecasted to follow the average for October, around 35.7°C.
Sunrise will be at 06:08 and sunset at 18:19; the daylight will last for 12h and 11min.

Hourly overview

Hourly temperatures

Warmest hour: 14h 41°C.
Coldest hour: 5h 30°C.

Chance of precipitation

Highest chance: 17h 15%.

Hourly weather forecast

  • 2h
  • 27°C
  • Feels like:
    32°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 7km/hNE 45°
  • Humidity: 87%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 4h
  • 26°C
  • Feels like:
    31°C
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 9km/hNE 53°
  • Humidity: 89%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 6h
  • 26°C
  • Feels like:
    29°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 11km/hENE 59°
  • Humidity: 88%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunrise: 06:08
  • 8h
  • 28°C
  • Feels like:
    32°C
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 17km/hENE 62°
  • Humidity: 79%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 10h
  • 31°C
  • Feels like:
    36°C
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 18km/hENE 65°
  • Humidity: 65%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 5
  • ▼
  • 12h
  • 33°C
  • Feels like:
    39°C
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 15km/hENE 68°
  • Humidity: 56%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 14h
  • 35°C
  • Feels like:
    41°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 15km/hENE 62°
  • Humidity: 50%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 16h
  • 35°C
  • Feels like:
    41°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 14km/hENE 64°
  • Humidity: 48%
  • Pressure: 1006mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 18h
  • 33°C
  • Feels like:
    39°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 11km/hENE 73°
  • Humidity: 54%
  • Pressure: 1007mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 18:19
  • 20h
  • 30°C
  • Feels like:
    35°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 7km/hE 90°
  • Humidity: 65%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 29°C
  • Feels like:
    33°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 6km/hSE 129°
  • Humidity: 73%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Today, in Altamira, gray skies are likely.
The temperature will be between the lowest temperature of 26°C and the highest temperature of 35°C. The feels-like temperature will be between a maximum of 42°C and a minimum of 29°C. The hottest part of the day will be from 14h to 17h.
The temperature today will be in line with the average high in October. Today, the minimum temperature will be also resembling the average low for October.
Updated: Oct 18, 2026 @ 04:14:41 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (01:14 -03) is 27°C. Feels-like temperature is 32°C.

On Sunday, the day starts cloudy, but conditions will brighten up as the afternoon unfolds.

Today, the maximum temperature will be 36°C, while the minimum temperature will be 25°C. The maximum heat index, which reflects the perceived temperature due to humidity levels, is assessed at 48°C.
The highest temperature will be in line with the average maximum of 35.7°C in October. The lowest temperature today will be also in line with the average low temperature.

On Sunday, in Altamira, sunrise will be at 06:08 and sunset at 18:19 (-03).

In Altamira, the length of the day today will be 12h and 11min.