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Weather in Porto Alegre today, August 21

Updated 21.08 at 00:00

+16°

Overcast

feels like +10°

7.2 m/s, W69%760 mmHg06:5418:03🌙 56%

Weather in Porto Alegre now: +16°, overcast, wind 7.2 m/s, humidity 69%. Accurate forecast for today, tomorrow, 3 days and 2 weeks — temperature, precipitation, pressure and wind.

Now Tomorrow 3 days Week 2 weeks Month 🗄 Archive 📒 Diary 🎣 Fishing 🌊 Water t°

Overcast, precipitation. Now +16°, feels like +10°, wind 7.2 m/s, W · precip 0.9 mm.

Weather in Porto Alegre now

+10°

Feels like

7.2 m/s

Wind, W

69%

Humidity

0

UV index

760

Pressure, mmHg

0.9 mm

Precip, mm

06:54

Sunrise

18:03

Sunset · day 11h 9m

Hourly forecast for today in Porto Alegre

00:00

+16°

01:00

+15°

0.1 mm

02:00

+14°

0.1 mm

03:00

+14°

04:00

+14°

05:00

+14°

06:00

+13°

🌅 sunrise

07:00

+12°

08:00

+12°

09:00

+13°

10:00

+14°

11:00

+15°

12:00

+16°

13:00

+16°

14:00

+18°

15:00

+18°

16:00

+18°

17:00

+17°

18:00

+16°

🌇 sunset

19:00

+15°

20:00

+14°

21:00

+13°

22:00

+12°

23:00

+11°

swipe→

Weather forecast in Porto Alegre today 📅

Friday

August 21

+12°+18°

💧 0.9 mm · 🌬 8 m/s · UV 6

Saturday

August 22

+8°+14°

🌬 5 m/s · UV 5

Sunday

August 23

+7°+15°

🌬 3 m/s · UV 6

Weekend weather in Porto Alegre

Saturday, August 22 · +14° / +8° · Clear

Sunday, August 23 · +15° / +7° · Clear

Weather for the weather-sensitive

760

Pressure, mmHg · normal

7.2 m/s

Wind, W

69%

Humidity

+10°

Feels like

Kp 2.3

Magnetic storms · quiet

Magnetic storms — details →

📒 Weather diary in Porto Alegre

Ready-made observation table for August: past days are already filled in with weather-station data — for school and beyond. Open the diary →

What to do in Porto Alegre in weather like this 🎯

🚴Cycling

🏃A run

🥾A nature hike

⚽Outdoor games

📷A photo walk

🌿 Air quality & pollen

0 AQI · good

Air quality →Pollen → 📒 Weather diary →

Air-quality bunny

✉️ Weather forecast by email

Get the forecast for this city by email — every day at 17:00 Moscow time.

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Pogoda 1 bunny with a letter

Fishing in Porto Alegre: bite today — 8/10 🎣

Good: steady conditions — good to go. Most active is horse mackerel (8/10).

🧭 760 mmHg🌖 day 9🌊 water +19°

Bite forecast →

The Moon today 🌙

Waxing moon

Illumination · 56%

12:08

Moonrise

02:06

Moonset

Lunar calendar →

Weather archive →

Porto Alegre, Shtat Riu-Grandi-du-Sul, Brazil. Population 1 488 252.

Precipitation map 🌧️

Open the full map & radar →

Cities near Porto Alegre 📍

Portu-Alegri / Salgadu Filyu

Portu-Alegri / Kanoas

Kanoas

Viaman

FAQ about weather in Porto Alegre ❓

What's the weather in Porto Alegre right now?

Now +16°, overcast, wind 7.2 m/s, W, humidity 69%. Feels like +10°.

What's the weather in Porto Alegre tomorrow?

Tomorrow: +14° by day, +8° at night, clear.

Sunrise and sunset in Porto Alegre?

Sunrise 06:54, sunset 18:03, day length 11h 9m.

What's the pressure and humidity in Porto Alegre?

Pressure 760 mmHg, humidity 69%, wind 8 m/s. Matters for weather-sensitive people.

Do I need sunscreen in Porto Alegre?

Yes, the UV index is 6 — high. Use SPF 30+, especially for children; no more than 20-30 minutes in direct sun unprotected.

How long is it safe to stay in the sun in Porto Alegre?

At UV 6, no more than 20–30 minutes unprotected; longer with SPF 30+ and shade.

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Weather in Porto Alegre — in detail

Weather in Porto Alegre from “Pogoda 1” — an accurate, free forecast: current temperature, feels-like, wind, atmospheric pressure, humidity and precipitation. Available for today, tomorrow, 3, 5 and 10 days, a week, 2 weeks and a month, plus hourly weather, monthly climate, water temperature, air quality and an observation archive since 2017.

To quickly check the weather in Porto Alegre anytime, add the city to favorites — and get a daily forecast by email at 17:00 (Moscow time). Note: the forecast may be refined as new data arrives. Data: OpenWeather, Open-Meteo, met.no.

Photo Porto Alegre: TimBray / CC BY-SA 3.0 · Wikimedia Commons

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Weather alerts for Porto Alegre?

Tomorrow's forecast, storm warnings, frost and heat — every day at 17:00 city time.

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