Weather Forecast for Porto Alegre
Rio Grande do Sul, Brazil
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Current Weather - Porto Alegre: 11°C
Current Weather - Porto Alegre: 11°C
Rio Grande do Sul, Brazil
Sunny
Feels like 11°C
Wind
4 km/h WSW
Humidity
93%
Pressure
1021 mb
UV Index
0
Visibility
10 km
Sunny
Wednesday, September 02, 2026
High
20°C
Low
11°C
Rain Chance
7%
Hourly Forecast
19°C
20°C
20°C
20°C
20°C
19°C
18°C
17°C
16°C
15°C
15°C
15°C
Day Statistics
Maximum Wind
8 km/h
Humidity
73%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
7%
Snow Chance
0%
Sun & Moon
Sunrise
06:38 AM
Sunset
06:10 PM
Moonrise
11:42 PM
Moonset
09:24 AM
Moon Phase
Last Quarter
Moon Illumination
60%
Air Quality
PM2.5
13.9
μg/m³
PM10
18.4
μg/m³
NO₂
11.1
μg/m³
O₃
64.2
μg/m³
SO₂
3.7
μg/m³
CO
220.3
μg/m³
Sunny
Thursday, September 03, 2026
High
25°C
Low
13°C
Rain Chance
8%
Hourly Forecast
15°C
14°C
14°C
14°C
13°C
13°C
13°C
13°C
14°C
17°C
19°C
22°C
24°C
24°C
25°C
25°C
25°C
24°C
22°C
21°C
20°C
19°C
16°C
15°C
Day Statistics
Maximum Wind
19 km/h
Humidity
69%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
8%
Snow Chance
0%
Sun & Moon
Sunrise
06:37 AM
Sunset
06:10 PM
Moonrise
Does not rise today
Moonset
10:05 AM
Moon Phase
Last Quarter
Moon Illumination
50%
Air Quality
PM2.5
15.1
μg/m³
PM10
16.3
μg/m³
NO₂
18.7
μg/m³
O₃
53.6
μg/m³
SO₂
3.7
μg/m³
CO
266.5
μg/m³
Overcast
Friday, September 04, 2026
High
16°C
Low
12°C
Rain Chance
18%
Hourly Forecast
15°C
15°C
15°C
15°C
15°C
14°C
14°C
14°C
15°C
15°C
15°C
15°C
15°C
16°C
16°C
16°C
16°C
16°C
15°C
14°C
14°C
13°C
13°C
12°C
Day Statistics
Maximum Wind
14 km/h
Humidity
73%
Precipitation
0 mm
UV Index
2
Visibility
10 km
Rain Chance
18%
Snow Chance
0%
Sun & Moon
Sunrise
06:36 AM
Sunset
06:11 PM
Moonrise
12:47 AM
Moonset
10:53 AM
Moon Phase
Last Quarter
Moon Illumination
39%
Air Quality
PM2.5
4.6
μg/m³
PM10
5.2
μg/m³
NO₂
7.9
μg/m³
O₃
61.3
μg/m³
SO₂
2.3
μg/m³
CO
175.3
μg/m³
Overcast
Saturday, September 05, 2026
High
18°C
Low
11°C
Rain Chance
17%
Hourly Forecast
12°C
12°C
11°C
11°C
11°C
11°C
11°C
11°C
13°C
14°C
16°C
17°C
17°C
18°C
17°C
17°C
16°C
16°C
14°C
13°C
13°C
13°C
14°C
14°C
Day Statistics
Maximum Wind
16 km/h
Humidity
65%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
06:35 AM
Sunset
06:11 PM
Moonrise
01:51 AM
Moonset
11:51 AM
Moon Phase
Waning Crescent
Moon Illumination
29%
Air Quality
PM2.5
8.6
μg/m³
PM10
10.2
μg/m³
NO₂
7.1
μg/m³
O₃
50.2
μg/m³
SO₂
2.9
μg/m³
CO
127.9
μg/m³
Patchy rain nearby
Sunday, September 06, 2026
High
15°C
Low
9°C
Rain Chance
17%
Hourly Forecast
12°C
11°C
11°C
11°C
10°C
9°C
10°C
9°C
10°C
11°C
12°C
13°C
13°C
15°C
15°C
15°C
14°C
13°C
12°C
12°C
12°C
11°C
10°C
10°C
Day Statistics
Maximum Wind
12 km/h
Humidity
62%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
06:33 AM
Sunset
06:12 PM
Moonrise
02:53 AM
Moonset
12:57 PM
Moon Phase
Waning Crescent
Moon Illumination
20%
Air Quality
PM2.5
7.3
μg/m³
PM10
9.1
μg/m³
NO₂
5.3
μg/m³
O₃
42.4
μg/m³
SO₂
2
μg/m³
CO
102
μg/m³
Light rain shower
Monday, September 07, 2026
High
14°C
Low
7°C
Rain Chance
74%
Hourly Forecast
9°C
8°C
8°C
7°C
7°C
7°C
7°C
7°C
8°C
8°C
9°C
9°C
9°C
11°C
12°C
14°C
13°C
12°C
12°C
12°C
12°C
11°C
11°C
11°C
Day Statistics
Maximum Wind
14 km/h
Humidity
78%
Precipitation
4 mm
UV Index
4
Visibility
10 km
Rain Chance
74%
Snow Chance
0%
Sun & Moon
Sunrise
06:32 AM
Sunset
06:12 PM
Moonrise
03:48 AM
Moonset
02:08 PM
Moon Phase
Waning Crescent
Moon Illumination
12%
Sunny
Tuesday, September 08, 2026
High
18°C
Low
9°C
Rain Chance
5%
Hourly Forecast
10°C
10°C
10°C
10°C
10°C
9°C
9°C
11°C
12°C
13°C
15°C
16°C
18°C
18°C
18°C
18°C
17°C
16°C
15°C
14°C
14°C
13°C
13°C
13°C
Day Statistics
Maximum Wind
23 km/h
Humidity
67%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
5%
Snow Chance
0%
Sun & Moon
Sunrise
06:31 AM
Sunset
06:13 PM
Moonrise
04:36 AM
Moonset
03:21 PM
Moon Phase
Waning Crescent
Moon Illumination
6%
Solar Radiation Data
Shortwave Radiation
0.91
Diffuse Radiation
0.43
DNI
0
GTI
0
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