Weather forecast for todayAlterosa, Brazil

Weather forecast for today

Current condition 03:50 -03

  • 18°C
  • Feels like:
    18°C
Fair
Fair
  • Precipitation: 0mm
  • Wind: 8km/hW 260°
  • Humidity: 84%
  • Dewpoint: 16°C
  • Pressure: 1011.51mbar
  • Visibility: 16.09km
  • UV index: 0
  • ▼
At the moment, a peaceful atmosphere supports steady fair weather.
The temperature is an enjoyable 18°C. The current temperature is relatively far from the maximum of 27°C anticipated for today.

Sunday 18. Oct 2026

  • 27°C
  • 14°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 21km/hWSW 255°
  • Humidity: 60%
  • UV index: 11
  • Sunrise: 05:30 -03
  • Sunset: 18:08 -03
  • ▼
On Sunday, 18th of October, clear skies with only minor cloud interruptions are in the outlook.
The maximum forecasted temperature is a temperate 27°C, while the minimum temperature will be a mild 14°C.
The maximum heat index, which integrates air moisture with ambient temperature, is assessed at 28°C.
The highest temperature for today is expected to reflect October's average of 27.6°C.
Sunrise will be at 05:30 and sunset at 18:08; the daylight will last for 12h and 38min.

Hourly overview

Hourly temperatures

Warmest period: 12h - 16h 27°C.
Coldest hour: 6h 17°C.

Chance of precipitation

Highest chance: 3%.

Hourly weather forecast

  • 4h
  • 18°C
  • Feels like:
    18°C
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 8km/hW 269°
  • Humidity: 84%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunrise: 05:30
  • 6h
  • 17°C
  • Feels like:
    17°C
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 8km/hW 263°
  • Humidity: 87%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 8h
  • 20°C
  • Feels like:
    20°C
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 11km/hWSW 244°
  • Humidity: 75%
  • Pressure: 1013mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 10h
  • 23°C
  • Feels like:
    23°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 13km/hWSW 249°
  • Humidity: 58%
  • Pressure: 1013mbar
  • Visibility: 16km
  • UV index: 9
  • ▼
  • 12h
  • 26°C
  • Feels like:
    27°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 18km/hW 264°
  • Humidity: 48%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 14h
  • 27°C
  • Feels like:
    27°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 21km/hWSW 258°
  • Humidity: 42%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 8
  • ▼
  • 16h
  • 26°C
  • Feels like:
    27°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 20km/hWSW 248°
  • Humidity: 41%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 18h
  • 24°C
  • Feels like:
    24°C
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 15km/hWSW 242°
  • Humidity: 48%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 18:08
  • 20h
  • 21°C
  • Feels like:
    21°C
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 10km/hWSW 247°
  • Humidity: 57%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 19°C
  • Feels like:
    19°C
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 10km/hWSW 249°
  • Humidity: 66%
  • Pressure: 1013mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Today, in Alterosa, a combination of bright and cloudy weather is expected.
The temperature will vary between the highest temperature of 27°C and the lowest temperature of 17°C. The warmest part of the day will be from 13h to 15h.
The maximum temperature will be consistent with the average high of 27.6°C in October. Today, the nighttime low will be also slightly cooler than October's typical minimum of 16.4°C.
With typical highs around 27.6°C and lows near 16.4°C, October is the hottest in Alterosa.
Updated: Oct 18, 2026 @ 06:50:47 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 03:50 -03 is 18°C.

On Sunday, in Alterosa, sun-filled skies will remain for most of the day.

Today, the highest temperature will be 27°C, while the lowest temperature will be 14°C. The maximum heat index, which integrates air moisture with ambient temperature, is assessed at 28°C.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature today will be a few degrees lower than the average low temperature.

On Sunday, in Alterosa, sunrise will be at 05:30 and sunset at 18:08 (-03).

Today, the daylight will last for 12h and 38min.