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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
☁️
+20°
Overcast
Feels like +23° · humidity 91%
Today 28.7: +22° / +17°
🕐 18:25
Wind
6 km/h
UV index
0
Air (AQI)
32 · Good
Precipitation
100%
Humidity
91%
Pressure
1009 hPa
Sunrise / sunset
07:12 / 17:49

👕 What to wear today

Comfortable — a T-shirt, a light sweater for the evening.
☂️ Take an umbrellaFeels warmer by 3°
Weather for an activity:

Detailed weather information for Porto Alegre

Today, 28 July, Tuesday, in Porto Alegre (Brazil): partly cloudy, moderately warm. During the day the air will warm up to +22°, at night around +17°. Wind up to 14 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 07:12 and set at 17:49 — daylight lasts 11 hours.

Hourly weather in Porto Alegre

🌅 sunrise 07:12 🌇 sunset 17:49☁️🌦️🌦️🌦️☁️☁️🌦️☀️+20°+19°+18°+17°+16°+18°+20°+21°39%73%100%100%98%16%6%8%18:0021:0000:0003:0006:0009:0012:0015:00
💧 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 28.7
⛈️
💧 100%
+17° +22°
Morning
⛈️
+19°
Day
⛈️
+22°
Evening
🌇
+21°
Night
🌙
+17°
Thunderstorm · precipitation 100% · wind up to 14 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Tomorrow 29.7
🌦️
💧 100%
+16° +21°
Morning
☁️
+17°
Day
🌦️
+21°
Evening
🌇
+17°
Night
🌙
+16°
Rain showers · precipitation 100% · wind up to 21 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Thu 30.7
☁️
+14° +20°
Morning
☁️
+16°
Day
☁️
+20°
Evening
🌇
+19°
Night
🌙
+14°
Overcast · precipitation 0% · wind up to 18 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Fri 31.7
🌤️
+14° +25°
Morning
🌤️
+18°
Day
🌤️
+25°
Evening
🌇
+22°
Night
🌙
+14°
Mostly clear · precipitation 0% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Sat 1.8
🌦️
💧 68%
+16° +30°
Morning
🌦️
+21°
Day
🌦️
+30°
Evening
🌇
+27°
Night
🌙
+16°
Drizzle · precipitation 68% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Sun 2.8
🌦️
💧 67%
+15° +19°
Morning
🌦️
+16°
Day
🌦️
+19°
Evening
🌇
+18°
Night
🌙
+15°
Drizzle · precipitation 67% · wind up to 13 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Mon 3.8
🌦️
💧 52%
+15° +25°
Morning
🌦️
+19°
Day
🌦️
+25°
Evening
🌇
+23°
Night
🌙
+15°
Drizzle · precipitation 52% · wind up to 12 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Tue 4.8
🌦️
💧 61%
+17° +24°
Morning
🌦️
+20°
Day
🌦️
+24°
Evening
🌇
+22°
Night
🌙
+17°
Drizzle · precipitation 61% · wind up to 10 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Wed 5.8
🌦️
💧 25%
+17° +27°
Morning
🌦️
+21°
Day
🌦️
+27°
Evening
🌇
+25°
Night
🌙
+17°
Drizzle · precipitation 25% · wind up to 10 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Thu 6.8
⛈️
💧 23%
+12° +26°
Morning
⛈️
+17°
Day
⛈️
+26°
Evening
🌇
+23°
Night
🌙
+12°
Thunderstorm · precipitation 23% · wind up to 19 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Fri 7.8
⛈️
💧 31%
+12° +16°
Morning
⛈️
+13°
Day
⛈️
+16°
Evening
🌇
+15°
Night
🌙
+12°
Thunderstorm · precipitation 31% · wind up to 21 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Sat 8.8
🌦️
💧 26%
+9° +14°
Morning
🌦️
+11°
Day
🌦️
+14°
Evening
🌇
+13°
Night
🌙
+9°
Drizzle · precipitation 26% · wind up to 19 km/h.
🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
Sun 9.8
☀️
💧 21%
+8° +14°
Morning
☀️
+10°
Day
☀️
+14°
Evening
🌇
+13°
Night
🌙
+8°
Clear · precipitation 21% · wind up to 15 km/h.
🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
Mon 10.8
☁️
💧 27%
+7° +14°
Morning
☁️
+10°
Day
☁️
+14°
Evening
🌇
+12°
Night
🌙
+7°
Overcast · precipitation 27% · wind up to 6 km/h.
🧥 Cool. You'll need a warm jacket; it can get chilly 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
0 / 100
comfort for running · Bad
🧴 UV
0%
moderate · low
☂️ Rain
100%
likely · high
✨ Stars
18 / 100
evening visibility · Bad
🧺 Laundry drying
0 / 100
will dry outside · Bad
🚗 Car wash
0 / 100
better to wait · Bad

🌫️ Air quality

32
Good air
European AQI
PM2.5: 16PM10: 16O₃: 24NO₂: 43
The air is clean — you can walk and exercise outside.

🌅 Sun, moon and sea

Sunrise
07:12
Sunset
17:49
Golden hour
17:15
Daylight
11 h (+1 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.

🌡️ Today vs the climate normal

Today's high
+22°
Normal for July
+18°
Deviation
4° warmer than normal
A year ago on this day
+15°
Record for this date
+28° (1994)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).

Weather archive for Porto Alegre

📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.

Show the archive for the selected day →

Weather in cities near Porto Alegre

Frequently asked questions about the weather in Porto Alegre

What is the weather in Porto Alegre right now?
Overcast, +20°, feels like +23°.
Will it rain in Porto Alegre today?
Yes: 100% chance, 27 mm.
When is the best time to visit Porto Alegre?
Best time to visit — March, April, November.
What time are sunrise and sunset in Porto Alegre?
Sunrise 07:12, sunset 17:49.
Does it snow in Porto Alegre in winter?
No, it practically never snows.
What is the climate in Porto Alegre by month?
Summers up to +29° in January, winters around +10° in July; the wettest month is October.
Is it cold in Porto Alegre in winter?
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
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Data: Open-Meteo (CC-BY 4.0), met.no, NWS · radar RainViewer · archive since 1940 · © wweather1 · TrafficAdv LLC