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Weather in Porto Alegre, Brazil 🇧🇷

🏆 Porto Alegre ranks #16 for coldest right now · #16 for lowest feels-like temperature · #16 for windiest right now · #28 for highest UV right now.

Current Weather in Porto Alegre

Overcast
16°C
Feels like 12°C. Overcast.
🌬️ 22 km/h W
💧 59% Humidity
🧭 1015 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 3.9
🌡️ Dew Point: 8°C
🌅 Sunrise: 05:44 AM
🌇 Sunset: 06:36 PM
Map Overlays:

Right now Porto Alegre is 16°C with overcast, feeling like 12°C. Humidity sits at 59% and winds are near 22 km/h, and the UV index is 4 (moderate). In the days ahead, expect temperatures in Porto Alegre from about 9°C to 20°C.

Hourly Forecast for Porto Alegre

13:00
Overcast
16°
15%
14:00
Overcast
17°
13%
15:00
Patchy rain nearby
18°
15%
16:00
Patchy rain nearby
17°
22%
17:00
Light rain shower
16°
28%
18:00
Light rain shower
16°
19%
19:00
Patchy rain nearby
14°
27%
20:00
Patchy rain nearby
13°
32%
21:00
Patchy rain nearby
12°
31%
22:00
Patchy rain nearby
12°
28%
23:00
Patchy rain nearby
12°
29%
00:00
Patchy rain nearby
11°
22%
01:00
Overcast
11°
30%
02:00
Overcast
11°
30%
03:00
Patchy rain nearby
11°
30%
04:00
Overcast
10°
28%
05:00
Patchy rain nearby
10°
31%
06:00
Patchy rain nearby
11°
36%
07:00
Patchy rain nearby
11°
38%
08:00
Patchy rain nearby
11°
32%
09:00
Patchy rain nearby
12°
32%
10:00
Patchy light drizzle
13°
29%
11:00
Patchy rain nearby
16°
19%
12:00
Patchy rain nearby
16°
16%

14-Day Forecast for Porto Alegre

Sat, Oct 17
Patchy rain nearby Patchy rain nearby
18° / 11°
Sun, Oct 18
Patchy rain nearby Patchy rain nearby
17° / 10°
Mon, Oct 19
Sunny Sunny
20° / 9°
Tue, Oct 20
Sunny Sunny
22° / 12°
Wed, Oct 21
Overcast Overcast
25° / 14°
Thu, Oct 22
Overcast Overcast
27° / 16°
Fri, Oct 23
Patchy rain nearby Patchy rain nearby
21° / 18°
Sat, Oct 24
Patchy rain nearby Patchy rain nearby
18° / 16°
Sun, Oct 25
Light drizzle Light drizzle
18° / 14°
Mon, Oct 26
Light rain Light rain
16° / 14°
Tue, Oct 27
Patchy rain nearby Patchy rain nearby
18° / 15°
Wed, Oct 28
Light drizzle Light drizzle
21° / 17°
Thu, Oct 29
Patchy rain nearby Patchy rain nearby
23° / 17°
Fri, Oct 30
Sunny Sunny
24° / 16°

Additional Forecasts for Porto Alegre

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 89.0 μg/m³
O₃ (Ozone) 53.0 μg/m³
NO₂ (Nitrogen Dioxide) 2.1 μg/m³
SO₂ (Sulphur Dioxide) 1.3 μg/m³
PM2.5 (Fine particles) 3.4 μg/m³
PM10 (Coarse particles) 3.9 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Brazil

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Best Time to Be Outside in Porto Alegre Today

The most comfortable window in Porto Alegre today looks like 14:00 to 17:00, when it is around 17°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Porto Alegre

What is the temperature in Porto Alegre right now?

The current temperature in Porto Alegre is 16°C (61°F), overcast (feels like 12°C).

What's the weather like in Porto Alegre right now?

Right now Porto Alegre has Overcast, humidity 59%, wind 22 km/h W.

What is today's forecast for Porto Alegre?

Today in Porto Alegre: high 18°C, low 11°C, patchy rain nearby. Chance of rain: 61%.

What is the 7-day weather forecast for Porto Alegre?

Daily highs and lows for Porto Alegre:

  • 2026-10-17: 18°C / 11°C
  • 2026-10-18: 17°C / 10°C
  • 2026-10-19: 20°C / 9°C
  • 2026-10-20: 22°C / 12°C
  • 2026-10-21: 25°C / 14°C
  • 2026-10-22: 27°C / 16°C
  • 2026-10-23: 21°C / 18°C
Is it going to rain in Porto Alegre today?

There is a 61% chance of rain in Porto Alegre today. Total expected precipitation: 1.12 mm.

What is the wind speed in Porto Alegre right now?

Wind in Porto Alegre is currently 22 km/h (13 mph) from the W.

What is the UV index in Porto Alegre right now?

The UV index in Porto Alegre is currently 3.9 (moderate). Sun protection is recommended when the index is 3 or higher.

Weather forecasts for other major cities in 🇧🇷 Brazil: São Paulo · Rio de Janeiro · Brasilia · Belo Horizonte · Salvador · Fortaleza · Manaus · Curitiba · Recife · Goiânia · Belém · Porto Alegre · Guarulhos · Maceió · Campinas · São Luís · Campo Grande · Natal · Teresina · Nova Iguaçu · Duque de Caxias · João Pessoa · São Bernardo do Campo · São José dos Campos · Ribeirão Preto · Jaboatão · Sorocaba · Osasco · Aracaju · Santo André · Jaboatão dos Guararapes · Contagem · Feira de Santana · Cuiabá · Londrina · Juiz de Fora · Uberlândia · Porto Velho · Macapá · Campos dos Goytacazes · Aparecida de Goiânia · Florianópolis · Mauá · Belford Roxo · Joinville · Niterói · São João de Meriti · Ananindeua · Santos · Boa Vista