Live Weather & Forecast
Weather in Três Arroios
Rio Grande do Sul, Brazil · Real-time conditions & 3-day outlook
22°C
Feels like 25°C
72°F / Feels 76°F
Partly Cloudy
Três Arroios, Rio Grande do Sul
🌞 Daytime
Updated: 2026-04-21 07:00
Humidity
94%
Wind
3.6 km/h SE
Wind Gust
10.8 km/h
Pressure
1013 mb
Visibility
10 km
UV Index
0.5
(Low)
Precipitation
0 mm
Cloud Cover
39%
Dew Point
21.1°C
Wind Degree
125°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
119.9 μg/m³
NO₂
1.2 μg/m³
O₃
40 μg/m³
SO₂
0.9 μg/m³
PM 2.5
4.9 μg/m³
PM 10
5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Três Arroios, Rio Grande do Sul
12 AM
21°
Fog
1 AM
21°
Fog
2 AM
21°
Fog
3 AM
21°
Fog
4 AM
21°
Partly Cloudy
5 AM
21°
Partly Cloudy
6 AM
21°
Mist
7 AM
22°
Partly Cloudy
8 AM
24°
Partly Cloudy
9 AM
26°
Patchy rain nearby
10 AM
27°
Patchy rain nearby
11 AM
28°
Patchy rain nearby
12 PM
28°
Patchy rain nearby
1 PM
28°
Patchy rain nearby
2 PM
28°
Patchy rain nearby
3 PM
28°
Patchy rain nearby
4 PM
27°
Patchy rain nearby
5 PM
25°
Moderate or heavy rain shower
6 PM
23°
Patchy rain nearby
7 PM
23°
Mist
8 PM
23°
Mist
9 PM
22°
Mist
10 PM
22°
Mist
11 PM
22°
Mist
3-Day Forecast
Daily overview for Três Arroios, Rio Grande do Sul
Today
Moderate rain
28°
/
21°
🌧️ 87% chance of rain
💧 Avg. humidity: 90%
💨 Max wind: 5.4 km/h
🌧️ Total precip: 11.21 mm
☀️ UV Index: 9.5
🌅 Sunrise: 05:48 AM
🌇 Sunset: 05:38 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Wed, Apr 22
Patchy rain nearby
29°
/
21°
🌧️ 87% chance of rain
💧 Avg. humidity: 91%
💨 Max wind: 7.6 km/h
🌧️ Total precip: 4.98 mm
☀️ UV Index: 12.1
🌅 Sunrise: 05:48 AM
🌇 Sunset: 05:38 PM
🌙 Waxing Crescent
🌑 Moon: 27% lit
Thu, Apr 23
Patchy rain nearby
30°
/
20°
🌧️ 88% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 9.7 km/h
🌧️ Total precip: 3.33 mm
☀️ UV Index: 11.9
🌅 Sunrise: 05:48 AM
🌇 Sunset: 05:37 PM
🌙 Waxing Crescent
🌑 Moon: 38% lit
Best Time to Visit Três Arroios
Plan your trip to Três Arroios, Brazil around the most favorable weather conditions.
Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
Frequently Asked Questions
What is the current weather in Três Arroios?
Current conditions in Três Arroios: Partly Cloudy, temperature 22°C, humidity 94%.
What is the best time to visit Três Arroios?
The best time to visit Três Arroios is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Três Arroios?
Três Arroios is located at approximately -10° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Três Arroios?
The wettest period in Três Arroios is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Três Arroios?
For visits to Três Arroios during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Três Arroios in?
Três Arroios is located in Brazil, in the state of Rio Grande do Sul.
What are the public holidays in Três Arroios in 2026?
View the 2026 public holidays for Três Arroios on our Holidays page.
What are the GPS coordinates used for the weather forecast in Três Arroios?
The weather forecast for Três Arroios uses coordinates -10, -55.
What is the current temperature outside in Três Arroios?
The current outdoor temperature in Três Arroios is 22°C (72°F) with partly cloudy.
What is the hourly weather forecast for Três Arroios today?
Today's hour-by-hour weather breakdown for Três Arroios is shown in the Hourly Forecast section above, including temperature, rain chance, and conditions for each hour of the day.
What is the weather in Três Arroios tomorrow hour by hour?
Tomorrow's forecast for Três Arroios shows a high of 29°C and a low of 21°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Três Arroios?
There is a 87% chance of rain in Três Arroios today. Check the hourly forecast above for a time-by-time breakdown of when rain is most likely.
Is it going to rain today in Três Arroios?
Yes, there is a 87% chance of rain in Três Arroios today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.