Weather Porto Alegre long-term weather forecast
Long-term weather forecast for Porto Alegre for ten days.
Thursday, Jan 15
91 / 73°F
| 0.02 in | 6 mph |
| 72 °F | 81 °F | 3 am | |
| 82 °F | 90 °F | 9 am | |
| 88 °F | 95 °F | 3 pm | |
| 79 °F | 88 °F | 9 pm |
sunrise 5:38 am
sunset 7:30 pm
HOURLY
sunset 7:30 pm
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Weather forecast Porto Alegre, Brazil extended forecast
| Time | State Temp. Feels like | Precip. | Wind | Pressure | Humidity | Dew | total |
Fog | Low |
Middle |
High |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thursday 01/15/2026 |
|||||||||||||
| 3 AM
1 AM
| clear | 72 °F 79 °F |
0.0 in | 4 fps 2 mph east |
29.8 in | 96 % | 70 °F | 0 % | 0% | 0% | 0% | 0% | |
| 9 AM
7 AM
| rain showers | 82 °F 90 °F |
0.08 in | 6 fps 4 mph north-northwest |
29.8 in | 69 % | 70 °F | 0 % | 0% | 0% | 0% | 0% | |
| 3 PM
1 PM
| heavy rain | 88 °F 97 °F |
0.31 in | 8 fps 6 mph northwest |
29.7 in | 64 % | 73 °F | 86 % | 0% | 25% | 43% | 71% | |
| 9 PM
7 PM
| partly cloudy | 79 °F 90 °F |
0.0 in | 2 fps 2 mph north-northeast |
29.8 in | 90 % | 73 °F | 28 % | 0% | 0% | 4% | 25% | |
Friday 01/16/2026 |
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| 3 AM
1 AM
| overcast | 75 °F 84 °F |
0.0 in | 5 fps 3 mph north-northwest |
29.7 in | 93 % | 72 °F | 99 % | 0% | 0% | 0% | 99% | |
| 9 AM
7 AM
| heavy rain | 81 °F 88 °F |
0.56 in | 11 fps 8 mph west |
29.8 in | 76 % | 72 °F | 96 % | 0% | 23% | 24% | 94% | |
| 3 PM
1 PM
| rain | 75 °F 84 °F |
0.15 in | 7 fps 4 mph west |
29.8 in | 92 % | 72 °F | 100 % | 0% | 44% | 25% | 100% | |
| 9 PM
7 PM
| overcast | 73 °F 79 °F |
0.0 in | 14 fps 10 mph south-southeast |
29.9 in | 88 % | 70 °F | 100 % | 0% | 14% | 21% | 100% | |
Porto Alegre, Brazil - information
State: BrazilGPS coordinates: -30.0328; -51.2302
Time zone: America / Sao Paulo
time difference in hours with time in NY is -4 hours
Population: 1 488 252
Altitude: 150 ft
The administrative part:
- Rio Grande do Sul, Porto Alegre
- Porto Alegre, Porto Alegre
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Data source
Weather forecast for Porto Alegre is supplied by MET Norway Norwegian Meteorological Institute and the NRK.Feels like
To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.Weather with Meteobox for your website
Astronomical information Porto Alegre
data are always in the local timeSun and light
Jan. 15, 2026
| Sunrise: | Sunset: |
| 5:38 am | 7:30 pm |
| Noon: | Length of day: |
| 12:34 pm | 13:52 |
| Start of civil twilight*: | End of civil twilight*: |
| 5:10 am | 7:57 pm |
| Start of nautical twilight*: | End of nautical twilight*: |
| 4:39 am | 8:28 pm |
| Start of astronomical twilight*: | End of astronomical twilight*: |
| 4:05 am | 9:03 pm |
| * What is Twilight? | |
Moon and moon phases
| Moonrise: | Moonset: |
| 01/15/2026 2:27 am | 01/15/2026 5:20 pm |
| Next new moon: | Next full moon: |
| 01/18/2026 | 02/01/2026 |
