Weather forecast for todayAriranha, Brazil

Weather forecast for today

Current condition 04:15 -03

  • 17°C
  • Feels like:
    17°C
Clear
Clear
  • Precipitation: 0mm
  • Wind: 8km/hWSW 240°
  • Humidity: 85%
  • Dewpoint: 15°C
  • Pressure: 1012.19mbar
  • Visibility: 14.48km
  • UV index: 0
  • ▼
Currently, in Ariranha, a deep blue sky remains clear and cloudless.
The temperature is a breezy 17°C. The current temperature is far from today's maximum-anticipated 28°C.

Sunday 18. Oct 2026

  • 28°C
  • 14°C
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 19km/hSW 231°
  • Humidity: 55%
  • UV index: 11
  • Sunrise: 05:41 -03
  • Sunset: 18:19 -03
  • ▼
Today, on Sunday, 18th of October, sunny and dry conditions are anticipated.
The highest temperature will be a moderately hot 28°C, while the lowest predicted temperature is a moderate 14°C.
The maximum heat index, which indicates how humid air affects the felt temperature, is estimated at 29°C.
Today, the expected high will be moderately lower than the average October maximum of 31.4°C.
Sunrise will be at 05:41 and sunset at 18:19; the daylight will last for 12h and 38min.

Hourly overview

Hourly temperatures

Warmest hour: 15h 28°C.
Coldest period: 5h - 7h 17°C.

Chance of precipitation

Highest chance: 23h 3%.

Hourly weather forecast

Sunrise: 05:41
  • 6h
  • 17°C
  • Feels like:
    17°C
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 8km/hSW 232°
  • Humidity: 87%
  • Pressure: 1013mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 8h
  • 19°C
  • Feels like:
    19°C
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 12km/hSSW 208°
  • Humidity: 73%
  • Pressure: 1014mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 10h
  • 23°C
  • Feels like:
    23°C
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 12km/hSSW 208°
  • Humidity: 53%
  • Pressure: 1014mbar
  • Visibility: 16km
  • UV index: 9
  • ▼
  • 12h
  • 26°C
  • Feels like:
    26°C
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 15km/hWSW 243°
  • Humidity: 40%
  • Pressure: 1013mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 14h
  • 27°C
  • Feels like:
    27°C
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 18km/hWSW 252°
  • Humidity: 33%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 9
  • ▼
  • 16h
  • 27°C
  • Feels like:
    27°C
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 18km/hWSW 241°
  • Humidity: 34%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 18h
  • 25°C
  • Feels like:
    25°C
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 12km/hSW 232°
  • Humidity: 41%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 18:19
  • 20h
  • 22°C
  • Feels like:
    22°C
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 10km/hSW 231°
  • Humidity: 50%
  • Pressure: 1013mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 20°C
  • Feels like:
    20°C
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 9km/hSW 231°
  • Humidity: 58%
  • Pressure: 1014mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
Today, a cloudless sky and mainly sunshiny weather are expected.
The temperature will vary between the highest temperature of 28°C and the lowest temperature of 17°C. The warmest part of the day is anticipated around 15h.
The high will be moderately lower than the normal maximum of 31.4°C for October. Today, the temperature will drop to a level also notably lower than October's usual minimum.
October leads as the warmest month in Ariranha, with high temperatures averaging 31.4°C and lows at 20.3°C.
Updated: Oct 18, 2026 @ 07:15:35 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 04:15 -03, the temperature is 17°C.

On Sunday, sunny skies and pleasant visibility are expected.

Today, the maximum temperature will be 28°C, while the minimum temperature will be 14°C. The maximum heat index, which measures the combined effect of heat and moisture, is calculated to be 29°C.
The highest temperature will be relatively lower than the average maximum of 31.4°C in October. Today, the lowest temperature will be uncommonly lower than the average low of 20.3°C.

On Sunday, in Ariranha, sunrise will be at 05:41 and sunset at 18:19 (-03).

In Ariranha, today, there will be 12h and 38min of daylight.