Weather forecast for todayArroio Grande, Brazil

Weather forecast for today

Current condition 13:41 -03

  • 21°C
  • Feels like:
    21°C
Partly Cloudy
Partly Cloudy
  • Precipitation: 0mm
  • Wind: 26km/hENE 70°
  • Humidity: 54%
  • Dewpoint: 11°C
  • Pressure: 1021.33mbar
  • Visibility: 16.09km
  • UV index: 7
  • ▼
Currently, scattered clouds are present, allowing some sunlight through.
The temperature is an agreeable 21°C. The present temperature is at its highest of the day.

Wednesday 21. Oct 2026

  • 21°C
  • 15°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 26km/hENE 78°
  • Humidity: 59%
  • UV index: 8
  • Sunrise: 05:45 -03
  • Sunset: 18:48 -03
  • ▼
On Wednesday, 21st of October, changing cloud patterns will allow for periods of sunshine.
The temperature is anticipated to vary between a delightful 21°C and a refreshing 15°C.
The predicted daytime maximum should align with the typical October high of 21.8°C.
Sunrise was at 05:45 and sunset will be at 18:48; the daylight will last for 13h and 4min.

Hourly overview

Hourly temperatures

Warmest hour: 14h 21°C.
Coldest period: 22h - 23h 15°C.

Chance of precipitation

Highest chance: 22h - 23h 5%.

Hourly weather forecast

  • 14h
  • 21°C
  • Feels like:
    21°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 26km/hENE 74°
  • Humidity: 54%
  • Pressure: 1021mbar
  • Visibility: 16km
  • UV index: 7
  • ▼
  • 15h
  • 20°C
  • Feels like:
    20°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 26km/hENE 77°
  • Humidity: 56%
  • Pressure: 1020mbar
  • Visibility: 16km
  • UV index: 5
  • ▼
  • 16h
  • 20°C
  • Feels like:
    20°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 26km/hENE 79°
  • Humidity: 59%
  • Pressure: 1020mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 17h
  • 19°C
  • Feels like:
    19°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 26km/hE 80°
  • Humidity: 62%
  • Pressure: 1020mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 18h
  • 18°C
  • Feels like:
    17°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 24km/hE 81°
  • Humidity: 67%
  • Pressure: 1020mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 18:48
  • 19h
  • 17°C
  • Feels like:
    16°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 21km/hE 84°
  • Humidity: 72%
  • Pressure: 1021mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 16°C
  • Feels like:
    15°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 20km/hE 81°
  • Humidity: 76%
  • Pressure: 1021mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 21h
  • 16°C
  • Feels like:
    14°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 20km/hE 81°
  • Humidity: 80%
  • Pressure: 1021mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 15°C
  • Feels like:
    14°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 19km/hE 83°
  • Humidity: 81%
  • Pressure: 1021mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 23h
  • 15°C
  • Feels like:
    14°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 19km/hE 84°
  • Humidity: 84%
  • Pressure: 1021mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
For the rest of Wednesday, primarily overcast and occasionally bright weather is expected.
The temperature will be between the lowest temperature of 15°C and the highest temperature of 21°C. The warmest part of the day is anticipated around 14h.
The forecasted high will be resembling the typical October maximum of 21.8°C. The expected low will be also close to the average minimum in October, which is 14.1°C.
Updated: Oct 21, 2026 @ 16:41:01 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (13:41 -03) it is 21°C in Arroio Grande.

Today, sunny moments will alternate with patchy cloud cover.

Today, the highest temperature will be 21°C, while the lowest temperature will be 15°C.
The highest temperature will be in line with the average maximum of 21.8°C in October. The lowest temperature will be also in line with the average low of 14.1°C.

On Wednesday, in Arroio Grande, sunrise was at 05:45 and sunset will be at 18:48 (-03).

Today, the daylight will last for 13h and 4min.