See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
16°
Mostly Cloudy
Feels Like: 17°
Min: 15°
Max: 20°
The next few hours will be mostly cloudy, with today reaching 20°C and dropping to 14°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:31
Sunrise
19:18
Sunset
Moon
Waxing Gibbous
18:46
Moonrise
05:57
Moonset
Daily Forecast
Today
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Air Quality Data Available
Upgrade to access real-time air quality data for Porto.
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Porto.
View stargazing scoreWeather in Porto today, September 25, 2026
Cloud cover dominates in Porto on September 25, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Cloud leads the morning, peaking close to 90% near 07:00. Sunshine has little room until later in the day.
The temperature range runs from about 15°C up to 20°C. The air stays humid, with relative humidity between 64% and 95% and the peak around 04:00. A lighter breeze peaks around 17:00 near 4.1 km/h.
Through the afternoon cloud remains the main feature, with cover near 92% around 14:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 26.3 km, briefly nearer 13.0 km. Expect sunrise at 07:31, sunset at 19:18, and 11 hours 47 minutes of sunlight today overall.
In short, cloud leads the story in Porto on September 25, 2026; expect limited sun and a peak around 20°C.
Frequently asked questions about weather in Porto
How warm does it get in Porto?
The warmest month in Porto is August, with average high temperatures of 26°C. The average temperature during this period is around 21°C.
How cold does it get in Porto?
The coldest month in Porto is January, with average low temperatures of 7°C. The average temperature during this period is around 10°C.
What is the wettest time of year in Porto?
The wettest month in Porto is November, with an average of 184mm of precipitation.
What is the driest time of year in Porto?
The driest month in Porto is August, with an average of 12mm of precipitation.
Explore more weather forecasts
- Senhora do Porto, Distrito do Porto
- Lisbon, Distrito de Lisboa
- Paranhos, Distrito do Porto
- Amadora, Distrito de Lisboa
- Vila Nova de Gaia, Distrito do Porto
- Braga, Distrito de Braga
- Afurada de Baixo, Distrito do Porto
- Setúbal, Distrito de Setúbal
- Lordelo do Ouro, Distrito do Porto
- Coimbra, Distrito de Coimbra
- Campanhã, Distrito do Porto
- Queluz, Distrito de Lisboa
- Contumil, Distrito do Porto
- Funchal, Madeira
- Oliveira do Douro, Distrito do Porto
- Cacém, Distrito de Lisboa