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Weather in Porto Alegre — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive

Now in Porto Alegre

☁️

+17°

Overcast

Feels like +15° · humidity 78%

Today 14.8: +18° / +14°

🕐 16:25

Wind

24 km/h

UV index

Air (AQI)

20 · Excellent

Precipitation

72%

Humidity

78%

Pressure

1020 hPa

Sunrise / sunset

06:59 / 17:59

👕 What to wear today

Comfortable — a T-shirt, a light sweater for the evening.

☂️ Take an umbrella💨 WindyFeels colder by 2°

Weather for an activity:

🎣 fishing 🏃 a run 📸 a photo shoot 🚶 a walk

Detailed weather information for Porto Alegre

Today, 14 August, Friday, in Porto Alegre (Brazil): cloudy, light rain in places, moderately warm. During the day the air will warm up to +18°, at night around +14°. Due to the wind it feels like +15°. Wind up to 27 km/h. High chance of rain — be sure to take an umbrella or a raincoat. A T-shirt is comfortable during the day, but take a light sweater or windbreaker for the evening. The sun will rise at 06:59 and set at 17:59 — daylight lasts 11 hours.

Hourly weather in Porto Alegre

💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Porto Alegre for 14 days

Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).

▶

Today 14.8

🌦️

💧 72%

+14° +18°

Morning

🌦️

+15°

Day

🌦️

+18°

Evening

🌇

+17°

Night

🌙

+14°

Drizzle · precipitation 72% · wind up to 27 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Tomorrow 15.8

🌦️

💧 78%

+15° +22°

Morning

☁️

+16°

Day

🌦️

+22°

Evening

🌇

+18°

Night

🌙

+15°

Rain showers · precipitation 78% · wind up to 21 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sun 16.8

⛈️

💧 89%

+16° +26°

Morning

⛈️

+20°

Day

⛈️

+26°

Evening

🌇

+24°

Night

🌙

+16°

Thunderstorm · precipitation 89% · wind up to 16 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 17.8

☁️

+19° +33°

Morning

☁️

+24°

Day

☁️

+33°

Evening

🌇

+30°

Night

🌙

+19°

Overcast · precipitation 0% · wind up to 12 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Tue 18.8

☁️

💧 8%

+19° +33°

Morning

☁️

+24°

Day

☁️

+33°

Evening

🌇

+30°

Night

🌙

+19°

Overcast · precipitation 8% · wind up to 15 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Wed 19.8

🌦️

💧 35%

+17° +21°

Morning

🌦️

+18°

Day

🌦️

+21°

Evening

🌇

+20°

Night

🌙

+17°

Rain showers · precipitation 35% · wind up to 12 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Thu 20.8

🌦️

💧 54%

+16° +19°

Morning

🌦️

+17°

Day

🌦️

+19°

Evening

🌇

+18°

Night

🌙

+16°

Drizzle · precipitation 54% · wind up to 24 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Fri 21.8

☀️

💧 19%

+14° +20°

Morning

☀️

+16°

Day

☀️

+20°

Evening

🌇

+19°

Night

🌙

+14°

Clear · precipitation 19% · wind up to 23 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sat 22.8

☁️

💧 10%

+10° +16°

Morning

☁️

+12°

Day

☁️

+16°

Evening

🌇

+15°

Night

🌙

+10°

Overcast · precipitation 10% · wind up to 17 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Sun 23.8

🌤️

💧 18%

+8° +14°

Morning

🌤️

+10°

Day

🌤️

+14°

Evening

🌇

+13°

Night

🌙

+8°

Mostly clear · precipitation 18% · wind up to 11 km/h.
🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.

▶

Mon 24.8

☁️

💧 35%

+7° +14°

Morning

☁️

+10°

Day

☁️

+14°

Evening

🌇

+12°

Night

🌙

+7°

Overcast · precipitation 35% · wind up to 15 km/h.
🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.

▶

Tue 25.8

☁️

💧 35%

+8° +19°

Morning

☁️

+12°

Day

☁️

+19°

Evening

🌇

+16°

Night

🌙

+8°

Overcast · precipitation 35% · wind up to 18 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

▶

Wed 26.8

🌦️

💧 42%

+14° +26°

Morning

🌦️

+18°

Day

🌦️

+26°

Evening

🌇

+23°

Night

🌙

+14°

Drizzle · precipitation 42% · wind up to 16 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 27.8

🌦️

💧 63%

+16° +22°

Morning

🌦️

+18°

Day

🌦️

+22°

Evening

🌇

+21°

Night

🌙

+16°

Rain showers · precipitation 63% · wind up to 15 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

🗺️ Precipitation radar

Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.

Rain intensity:lightmoderateheavy

🎯 What to do in this weather — indices of the day

Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.

🏃 Running

19 / 100

comfort for running · Bad

🧴 UV

moderate · low

☂️ Rain

72%

likely · high

✨ Stars

38 / 100

evening visibility · So-so

🧺 Laundry drying

0 / 100

will dry outside · Bad

🚗 Car wash

9 / 100

better to wait · Bad

🌫️ Air quality

Excellent air

European AQI

PM2.5: 9PM10: 12O₃: 49NO₂: 7

The air is clean — you can walk and exercise outside.

🌅 Sun, moon and sea

Sunrise

06:59

Sunset

17:59

Golden hour

17:26

Daylight

11 h (+2 min vs yesterday)

Porto Alegre climate by month

Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.

+29°

+21°

Jan

+29°

+21°

Feb

+28°

+19°

Mar

+25°

+17°

Apr

+21°

+13°

May

+19°

+11°

Jun

+18°

+10°

Jul

+21°

+11°

Aug

+22°

+13°

Sep

+24°

+15°

Oct

+26°

+17°

Nov

+28°

+19°

Dec

swipe sideways →

Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit

Month	Day	Night	Precipitation	What to pack and what makes the month notable (events, nuances)
January	+29°	+21°	139 mm	Gentle warmth — about +29° daytime, great walking weather. Frequent rain (139 mm over the month) — keep indoor backup plans. 😊 light summer clothing. This is the hottest month of the year in Porto Alegre.
February	+29°	+21°	127 mm	A comfortable month: +29° by day without exhausting heat. One of the wettest months (127 mm): downpours can derail plans. 😊 light summer clothing.
March	+28°	+19°	111 mm	Warm and comfortable: +28° by day, +19° at night. It's a rainy month (111 mm) — an umbrella is a must. 😊 light summer clothing. Weather-wise, one of the three best months to visit.
April	+25°	+17°	107 mm	Ideal weather: +25° daytime — neither hot nor cold. Frequent rain (107 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Weather-wise, one of the three best months to visit.
May	+21°	+13°	108 mm	The most pleasant season: +21° by day, comfortable all day long. One of the wettest months (108 mm): downpours can derail plans. 🙂 a sweater for the evening.
June	+19°	+11°	118 mm	One of the best times to visit: +19° by day, fresh nights. It's a rainy month (118 mm) — an umbrella is a must. 🙂 a sweater for the evening. The shortest daylight of the year — it gets dark early.
July	+18°	+10°	141 mm	Ideal weather: +18° daytime — neither hot nor cold. Frequent rain (141 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. This is the coldest month of the year.
August	+21°	+11°	122 mm	The most pleasant season: +21° by day, comfortable all day long. One of the wettest months (122 mm): downpours can derail plans. 🙂 a sweater for the evening.
September	+22°	+13°	148 mm	One of the best times to visit: +22° by day, fresh nights. It's a rainy month (148 mm) — an umbrella is a must. 🙂 a sweater for the evening.
October	+24°	+15°	174 mm	Ideal weather: +24° daytime — neither hot nor cold. Frequent rain (174 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. Statistically the wettest month of the year.
November	+26°	+17°	124 mm	A comfortable month: +26° by day without exhausting heat. One of the wettest months (124 mm): downpours can derail plans. 😊 light summer clothing. Weather-wise, one of the three best months to visit.
December	+28°	+19°	123 mm	Warm and comfortable: +28° by day, +19° at night. It's a rainy month (123 mm) — an umbrella is a must. 😊 light summer clothing. The longest daylight hours of the year — more time for everything.

When to visit Porto Alegre

✅ Recommended time to visit

🌟 Best time: March, April, November

Daytime air+25…+28°

Precipitationoften

Why: comfortable +25…+28° by day, little rain.

⚠️ Doable, with caveats

🌤️ Shoulder season: January, February, May, June, August, December

Daytime air+19…+29°

Precipitationoften

Why: noticeable rain risk (108–139 mm/month) — pack an umbrella and backup plans.

🔴 Not the best time

🌤️ Shoulder season: July, September, October

Daytime air+18…+24°

Precipitationoften

Why: the rainy season (141–174 mm/month) — downpours almost daily.

Bottom line: the best time to visit Porto Alegre is March, April, November, and the most comfortable months are March, April, November. The toughest months to visit are July, September, October: frequent rain.