14-day forecast — Porto
Updated every hour
Thu · Today
Cloudy
+27°
+16°
5%
Wind6 m/s NW
Gusts10 m/s
UV index6 – High
Chance of rain5%
Sunrise07:17
Sunset19:40
Fri · Tomorrow
Cloudy
+29°
+16°
5%
Wind3 m/s NW
Gusts5 m/s
UV index6 – High
Chance of rain5%
Sunrise07:18
Sunset19:39
Saturday 19/9
Clear
+32°
+19°
1%
Wind4 m/s NW
Gusts8 m/s
UV index6 – High
Chance of rain1%
Sunrise07:19
Sunset19:37
Sunday 20/9
Clear
+34°
+21°
1%
Wind5 m/s NW
Gusts7 m/s
UV index6 – High
Chance of rain1%
Sunrise07:20
Sunset19:35
Monday 21/9
Clear
+34°
+22°
0%
Wind6 m/s NW
Gusts10 m/s
UV index6 – High
Chance of rain0%
Sunrise07:21
Sunset19:34
Tuesday 22/9
Clear
+33°
+22°
1%
Wind4 m/s W
Gusts8 m/s
UV index8 – Very high
Chance of rain1%
Sunrise07:22
Sunset19:32
Wednesday 23/9
Clear
+32°
+23°
1%
Wind4 m/s W
Gusts6 m/s
UV index8 – Very high
Chance of rain1%
Sunrise07:23
Sunset19:30
Thursday 24/9
Clear
+29°
+22°
2%
Wind4 m/s W
Gusts8 m/s
UV index7 – High
Chance of rain2%
Sunrise07:24
Sunset19:28
Friday 25/9
Clear
+28°
+21°
0.1 mm
Wind4 m/s W
Gusts9 m/s
UV index7 – High
Chance of rain17%
Sunrise07:25
Sunset19:27
Saturday 26/9
Showers
+29°
+20°
0.6 mm
Wind4 m/s W
Gusts9 m/s
UV index7 – High
Chance of rain36%
Sunrise07:26
Sunset19:25
Sunday 27/9
Cloudy
+26°
+19°
2.7 mm
Wind4 m/s W
Gusts9 m/s
UV index6 – High
Chance of rain66%
Sunrise07:27
Sunset19:23
Monday 28/9
Cloudy
+22°
+17°
1.7 mm
Wind5 m/s NW
Gusts6 m/s
UV index5 – Moderate
Chance of rain66%
Sunrise07:28
Sunset19:22
Tuesday 29/9
Cloudy
+22°
+17°
15%
Wind3 m/s NE
Gusts7 m/s
UV index6 – High
Chance of rain15%
Sunrise07:29
Sunset19:20
Wednesday 30/9
Clear
+26°
+16°
1%
Wind4 m/s E
Gusts12 m/s
UV index7 – High
Chance of rain1%
Sunrise07:30
Sunset19:18
About Porto
Portugals näst största stad vid Douroflodens mynning.
CountryPortugal
RegionNorra Portugal
ContinentEurope
Time zoneEurope/Lisbon (+01:00)
Latitude41.1579°
Longitude-8.6291°
Air qualityFair (EAQI 26)
Climate in Porto in August
Normals 8 years · best time to visit · Open-MeteoBest time to visit Porto: May–September. With perfect weather, August is a recommended month to visit.
| July | August | September | |
|---|---|---|---|
| Average temperature | → 20°C | 20°C | ▼ 19°C |
| Highest temperature | → 24°C | 24°C | ▼ 23°C |
| Lowest temperature | → 17°C | 17°C | ▼ 16°C |
| Precipitation | ▼ 15 mm | 14 mm | ▲ 78 mm |
| Days with precipitation | ▼ 4 d | 3 d | ▲ 7 d |
| Humidity | ▲ 74% | 77% | ▼ 74% |
| Sunshine hours per day | ▼ 13,3 h | 12,1 h | ▼ 10,6 h |
| Cloud cover | ▲ 10% | 12% | ▲ 15% |
| UV index (midday) | ▼ 11 | 10 | ▼ 7 |
| Day length | 14:48 | 13:46 | 12:28 |
| Our rating | Perfect | Perfect | Good |
Temperature day by day in August mean + moving average
Precipitation day by day in August mm
UV index day by day in August midday value, clear-sky
Climate normals calculated from Open-Meteo (ERA5 archive 8 years, sea temperature Marine API). UV estimated from solar elevation.
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Data source
Global weather models — international forecasts
The weather for Porto is based on global weather models (ECMWF, GFS) and national meteorological institutes around the world. Forecasts update every hour; current measurements every 15 minutes. For destinations with a larger time difference from Sweden, local time is shown above.