14 day weather forecast

Porto weather August 2026 — 14 day forecast · Portugal

23°

mainly clear · feels like 24°

Updated at
  • Live from Open-Meteo
  • Refreshed several times a day
  • 14 days ahead
  • No tracking · free
Warmest day
Thursday 3 Sept
31°C
highest maximum
Wettest day
Thursday 10 Sept
0.6 mm
7% chance
Most sunshine
Wednesday 2 Sept
12.9 hours
of sunshine
Trend
14 days
Cooler
From ~25° to ~23°

The next 14 days

swipe →
Avg max, 3 days
23.0°C
Coldest night
14°C
Most sunshine
12.9 h
Wind from
the north

Overview table · August 2026

Porto 14 day forecast, day by day

The table below shows the full 14 day weather forecast for Porto (Portugal): the maximum and minimum temperature, rainfall in millimetres, the chance of rain, humidity, hours of sunshine and the UV index per day. Across the next two weeks the maximum temperature in Porto averages around 24°C and the minimum around 16°C, with roughly 1 mm of rain in total, 14 dry days and about 160 hours of sunshine.

Last updated:

14 day weather forecast for Porto (Portugal) per day: temperature, rainfall, chance of rain, humidity, sunshine hours and UV index. Updated in August 2026.
DayWeatherMaxMinRainChanceHumiditySunUV
Saturday29 AugCloudy23°C15°C0 mm0%84%11 h7high
Sunday30 AugCloudy23°C18°C0 mm8%81%12.1 h7high
Monday31 AugCloudy23°C14°C0 mm0%77%12.6 h6high
Tuesday1 SeptCloudy23°C14°C0 mm0%85%9.6 h7high
Wednesday2 SeptCloudy26°C15°C0 mm0%79%12.9 h7high
Thursday3 SeptCloudy31°C16°C0 mm0%75%12.9 h7high
Friday4 SeptCloudy27°C18°C0 mm0%82%12.8 h7high
Saturday5 SeptCloudy22°C17°C0 mm4%89%8.5 h7high
Sunday6 SeptCloudy21°C16°C0 mm4%87%11.9 h7high
Monday7 SeptCloudy24°C16°C0 mm4%85%12.7 h7high
Tuesday8 SeptCloudy24°C18°C0 mm6%91%12.6 h7high
Wednesday9 SeptCloudy22°C18°C0 mm10%92%7.3 h7high
Thursday10 SeptLight rain22°C18°C0.6 mm7%83%10.5 h7high
Friday11 SeptCloudy23°C14°C0 mm14%76%12.5 h7high

The first three to five days of the forecast for Porto are the most reliable; from day seven onwards it is an indicative trend. Click a day in the overview above for hourly detail. Source: Open-Meteo (Met Office, DWD, ECMWF).

Background & outlook

The weather in Porto

Current conditions and the 14 day forecast

Porto lies in Portugal, an area with a Mediterranean climate: hot, near rainless summers, mild winters, and most of the year's rain arriving between autumn and spring. That is exactly why a two-week outlook is useful here — it shows the pattern rather than one snapshot.

What is the weather like in Porto right now?

It is currently 23°C in Porto with mainly clear. It feels like 24°C, humidity is 65% and the wind is WSW 10 km/h.

Today (Saturday) reaches a maximum of 23°C and a minimum of 15°C, with 0 mm of rain and 11 hours of sunshine. Sunrise is at 06:58 and sunset at 20:12.

Porto weather tomorrow

Tomorrow (Sunday) the maximum temperature in Porto is 23°C and the minimum 18°C. Around 0 mm of rain is expected with 12.1 hours of sunshine, and the chance of rain is 8%. The data is refreshed several times a day through Open-Meteo.

Porto weather this week and next week

Over the coming week the average maximum temperature in Porto sits around 25°C and the average minimum around 16°C. Roughly 0 mm of rain is expected, spread across 0 days, with 0 largely sunny days.

The warmest day in the 14 day forecast for Porto is Thursday 3 Sept at 31°C. The coldest night falls on Monday 31 Aug at 14°C. Click any day for hourly detail.

Rain, sunshine and UV in Porto

A daily rainfall total says little on its own: the same 5 mm can be one short downpour or a grey day of drizzle, which is why the hourly chart above is often the more useful of the two. Over the next fortnight the highest UV index for Porto is 7 — high enough to warrant sun protection in the middle of the day.

How reliable is a 14 day forecast?

The first three to five days are generally very accurate. After that the certainty drops off and it is better read as a trend than as an exact daily prediction. Our data comes from Open-Meteo, which combines national weather models — among them the Met Office, DWD and ECMWF — and recomputes them several times a day using measurements from stations worldwide.

Forecast for Porto last updated: 29 August 2026 at 14:25. See also all Portugal forecasts and the European weather map.

Frequently asked questions

Questions about the weather in Porto

What is the weather like in Porto in August 2026?

The forecast at the top of this page shows the current temperature in Porto plus the maximum and minimum for each of the next 14 days, with rainfall, chance of rain, sunshine hours and UV index. It is refreshed several times a day.

How accurate is the 14 day forecast for Porto?

The first three to five days for Porto are highly reliable. From day six onwards, read the forecast as a trend: it shows whether it turns warmer, cooler, wetter or drier rather than an exact value for that day.

Will it rain in Porto this week?

The rainfall chart on this page gives the expected millimetres per day for Porto, and each day card shows the chance of rain as a percentage. Below 20% with several hours of sunshine is a genuinely dry day.

How warm does it get in Porto over the next two weeks?

The temperature chart shows the maximum and minimum for every one of the next 14 days in Porto. The overview table underneath repeats the same figures day by day, together with the average across the fortnight.

Can I see the weather in Porto hour by hour?

Yes. The hourly chart covers the next 48 hours in Porto with temperature, feels-like temperature and chance of rain. Clicking any of the 14 days opens a panel with night, morning, afternoon and evening detail.

Where does the Porto forecast come from?

The data for Porto (Portugal, Portugal) comes from Open-Meteo, which combines national weather models such as those of the Met Office, DWD, Météo-France and ECMWF and recomputes them several times a day.

What does the UV index for Porto mean?

The UV index runs from 0 to 11+. Up to 2 is low, 3 to 5 moderate, 6 to 7 high and 8 or more very high. From 6 upwards it is worth using sun protection in the middle of the day, even when it does not feel especially hot.

Is the Porto weather forecast free?

Yes. The full 14 day forecast for Porto is free, needs no account and carries no adverts inside the charts.