Today's Weather Forecast - Porto

Today's weather in Porto. high 26°C (79°F), low 15°C (59°F). Sunny.

Today’s Hourly Weather Outlook

Morning6 AM – Noon18°
Wind speed
4 km/h
Rain probability
0%
AfternoonNoon – 6 PM26°
Wind speed
11 km/h
Rain probability
0%
Evening6 PM – Midn23°
Wind speed
8 km/h
Rain probability
0%
NightMidn – 6 AM16°
Wind speed
4 km/h
Rain probability
0%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 6:40 AM
Total Daylight
69% of day elapsedSolar noon 1:30 PM
Sunset
Dusk 8:20 PM
Remaining3h 57m
Solar elevation42°
vs yesterday-4 min

Air Quality Index & Health Advice

Air Quality Index

Air quality level
Good
Dominant pollutant
Dominant: PM2.5
Monitoring station
Sobreiras-Lordelo do Ouro, Porto, Portugal
PM2.5
47μg/m³
PM10
28μg/m³
O₃
30.5ppb
NO₂
3.5ppb
0Good → Hazardous300+

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Porto is forecast to reach a high of 26°C today, with an overnight low around 15°C. That's 2° above the long-term average high of 24°C for this time of year. Expect little chance of rain (0% probability) and a gentle breeze averaging 11 km/h. Air quality is currently good (AQI 44), with no notable outdoor health concerns.

Today vs Normal

26°C+2° above normal

The long-term average high for today is 24°C.

13 of the last 28 days with published data ran above normal.

That's a break from the pattern - today's forecast runs above normal even though the recent stretch mostly ran below.

2026-08-28: 22°C22°2026-08-29: 23°C23°2026-08-30: 22°C22°2026-08-31: 23°C23°2026-09-01: 23°C23°2026-09-02: 27°C27°2026-09-03: 31°C31°2026-09-04: 25°C25°2026-09-05: 31°C31°2026-09-06: 25°C25°2026-09-07: 24°C24°2026-09-08: 22°C22°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.