Live Weather & Forecast
Weather in Viamão
Rio Grande do Sul, Brazil · Real-time conditions & 3-day outlook
20°C
Feels like 20°C
68°F / Feels 68°F
Mist
Viamão, Rio Grande do Sul
🌞 Daytime
Updated: 2026-04-21 09:45
Humidity
94%
Wind
5.8 km/h NE
Wind Gust
8 km/h
Pressure
1017 mb
Visibility
5 km
UV Index
0.2
(Low)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
15.6°C
Wind Degree
42°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
108.9 μg/m³
NO₂
15.6 μg/m³
O₃
71 μg/m³
SO₂
9.9 μg/m³
PM 2.5
16.3 μg/m³
PM 10
17.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for Viamão, Rio Grande do Sul
12 AM
20°
Overcast
1 AM
20°
Clear
2 AM
20°
Clear
3 AM
19°
Partly Cloudy
4 AM
19°
Partly Cloudy
5 AM
19°
Partly Cloudy
6 AM
19°
Partly Cloudy
7 AM
19°
Cloudy
8 AM
19°
Partly Cloudy
9 AM
20°
Mist
10 AM
21°
Partly Cloudy
11 AM
22°
Partly Cloudy
12 PM
22°
Patchy rain nearby
1 PM
23°
Patchy rain nearby
2 PM
23°
Patchy light drizzle
3 PM
23°
Patchy rain nearby
4 PM
23°
Patchy light drizzle
5 PM
23°
Patchy rain nearby
6 PM
22°
Partly Cloudy
7 PM
21°
Partly Cloudy
8 PM
21°
Partly Cloudy
9 PM
21°
Partly Cloudy
10 PM
20°
Partly Cloudy
11 PM
20°
Partly Cloudy
3-Day Forecast
Daily overview for Viamão, Rio Grande do Sul
Today
Patchy rain nearby
23°
/
19°
🌧️ 89% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 11.5 km/h
🌧️ Total precip: 0.61 mm
☀️ UV Index: 1
🌅 Sunrise: 06:47 AM
🌇 Sunset: 05:58 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Wed, Apr 22
Partly Cloudy
29°
/
19°
🌧️ 0% chance of rain
💧 Avg. humidity: 66%
💨 Max wind: 12.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.7
🌅 Sunrise: 06:48 AM
🌇 Sunset: 05:57 PM
🌙 Waxing Crescent
🌑 Moon: 27% lit
Thu, Apr 23
Moderate rain
25°
/
20°
🌧️ 89% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 11.9 km/h
🌧️ Total precip: 8.22 mm
☀️ UV Index: 5.3
🌅 Sunrise: 06:48 AM
🌇 Sunset: 05:56 PM
🌙 Waxing Crescent
🌑 Moon: 38% lit
Best Time to Visit Viamão
Plan your trip to Viamão, Brazil around the most favorable weather conditions.
Peak Season
December – March
Southern hemisphere summer — warm and generally dry.
Shoulder Season
April – May, November
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Cooler winter months; indoor activities preferred.
Frequently Asked Questions
What is the current weather in Viamão?
Current conditions in Viamão: Mist, temperature 20°C, humidity 94%.
What is the best time to visit Viamão?
The best time to visit Viamão is typically December – March. Southern hemisphere summer — warm and generally dry.
What is the climate like in Viamão?
Viamão is located at approximately -30.1° latitude. It experiences a temperate southern hemisphere climate.
Does it rain a lot in Viamão?
The wettest period in Viamão is typically during June – September. Cooler winter months; indoor activities preferred.
What should I pack for a trip to Viamão?
For visits to Viamão during December – March: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Viamão in?
Viamão is located in Brazil, in the state of Rio Grande do Sul.
What are the public holidays in Viamão in 2026?
View the 2026 public holidays for Viamão on our Holidays page.
What are the GPS coordinates used for the weather forecast in Viamão?
The weather forecast for Viamão uses coordinates -30.0819, -51.0262.
What is the current temperature outside in Viamão?
The current outdoor temperature in Viamão is 20°C (68°F) with mist.
What is the hourly weather forecast for Viamão today?
Today's hour-by-hour weather breakdown for Viamão 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 Viamão tomorrow hour by hour?
Tomorrow's forecast for Viamão shows a high of 29°C and a low of 19°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Viamão?
There is a 89% chance of rain in Viamão 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 Viamão?
Yes, there is a 89% chance of rain in Viamão today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.