Weather forecast for todayViana, Brazil

Weather forecast for today

Current condition 03:19 -03

  • 22°C
  • Feels like:
    22°C
Partly Cloudy
Partly Cloudy
  • Precipitation: 0mm
  • Wind: 0km/hSW 220°
  • Humidity: 91%
  • Dewpoint: 20°C
  • Pressure: 1009.14mbar
  • Visibility: 9.66km
  • UV index: 0
  • ▼
At the moment, in Viana, patches of clouds are drifting across the sky.
The temperature is a pleasant 22°C. The current temperature is near the lowest predicted 21°C for today.

Sunday 18. Oct 2026

  • 27°C
  • 21°C
Thunderstorms
Thunderstorms
  • Precip. probability: 81%
  • Precipitation: 1mm
  • Wind: 10km/hSE 125°
  • Humidity: 82%
  • UV index: 10
  • Sunrise: 05:08 -03
  • Sunset: 17:45 -03
  • ▼
Today, on Sunday, 18th of October, unstable atmospheric conditions may lead to thunderstorms.
Minimal precipitation is forecasted. The temperature scale will run from a maximum of a temperate 27°C to a minimum of a pleasant 21°C.
The maximum heat index, which combines relative humidity and air temperature, is computed to be a tropical 30°C. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Sunrise will be at 05:08 and sunset at 17:45; the daylight will last for 12h and 37min.

Hourly overview

Hourly temperatures

Warmest period: 10h - 14h 29°C.
Coldest period: 4h - 6h 22°C.

Chance of precipitation

Highest chance: 16h 81%.

Hourly weather forecast

  • 4h
  • 22°C
  • Feels like:
    22°C
Few Showers
Few Showers
  • Precip. probability: 33%
  • Precipitation: 1mm
  • Wind: 1km/hSW 215°
  • Humidity: 90%
  • Pressure: 1010mbar
  • Visibility: 13km
  • UV index: 0
  • ▼
Sunrise: 05:08
  • 6h
  • 22°C
  • Feels like:
    22°C
Showers
Showers
  • Precip. probability: 34%
  • Precipitation: 0mm
  • Wind: 0km/hS 180°
  • Humidity: 92%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 8h
  • 24°C
  • Feels like:
    24°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 4km/hSSW 209°
  • Humidity: 84%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 10h
  • 26°C
  • Feels like:
    29°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 6km/hESE 108°
  • Humidity: 74%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 8
  • ▼
  • 12h
  • 26°C
  • Feels like:
    29°C
Showers
Showers
  • Precip. probability: 55%
  • Precipitation: 1mm
  • Wind: 9km/hSE 127°
  • Humidity: 79%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 8
  • ▼
  • 14h
  • 26°C
  • Feels like:
    29°C
Thunderstorms
Thunderstorms
  • Precip. probability: 74%
  • Precipitation: 1mm
  • Wind: 9km/hESE 103°
  • Humidity: 80%
  • Pressure: 1010mbar
  • Visibility: 3km
  • UV index: 3
  • ▼
  • 16h
  • 25°C
  • Feels like:
    28°C
Thunderstorms
Thunderstorms
  • Precip. probability: 81%
  • Precipitation: 2mm
  • Wind: 9km/hE 98°
  • Humidity: 84%
  • Pressure: 1010mbar
  • Visibility: 4km
  • UV index: 1
  • ▼
Sunset: 17:45
  • 18h
  • 24°C
  • Feels like:
    26°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 58%
  • Precipitation: 1mm
  • Wind: 6km/hSE 125°
  • Humidity: 90%
  • Pressure: 1011mbar
  • Visibility: 4km
  • UV index: 0
  • ▼
  • 20h
  • 23°C
  • Feels like:
    25°C
Showers
Showers
  • Precip. probability: 51%
  • Precipitation: 1mm
  • Wind: 2km/hSSW 203°
  • Humidity: 92%
  • Pressure: 1012mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 22h
  • 23°C
  • Feels like:
    24°C
Showers
Showers
  • Precip. probability: 48%
  • Precipitation: 1mm
  • Wind: 3km/hW 271°
  • Humidity: 96%
  • Pressure: 1013mbar
  • Visibility: 5km
  • UV index: 0
  • ▼
Today, in Viana, a combination of rain-filled, stormy and cloud-filled weather is anticipated.
Rainfall is forecasted practically throughout the entire day. With light precipitation of 2mm, most rainfall is expected at 16h.
The temperature will vary between the lowest temperature of 21°C and the highest temperature of 27°C. The warmest part of the day will be around 11h.
Updated: Oct 18, 2026 @ 06:19:37 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (03:19 -03) it is 22°C in Viana.

Today, in Viana, rolling thunder and rain showers are in the outlook.

There is a high likelihood of rainfall, but precipitation will be minimal.

Today, the maximum temperature will be 27°C, while the minimum temperature will be 21°C. The maximum heat index, which adjusts the air temperature based on humidity, is estimated at 30°C.

On Sunday, in Viana, sunrise will be at 05:08 and sunset at 17:45 (-03).

In Viana, the length of the day today will be 12h and 37min.