15-Day Weather Forecast - Lisbon
15-day weather forecast for Lisbon: temperatures from 17°C (63°F) to 34°C (93°F). Average daily high 31°C (88°F) over the next 15 days.
Hourly Forecast by Day
15-Day Temperature Trend
15-Day Weather Forecast
Updated just nowWeather Insight
Lisbon's 15-day outlook ranges from a low of 17°C to a high of 34°C, with an average daytime high near 31°C. That's 8° above the long-term average high of 23°C for this time of year. It continues a recent pattern — 11 of the last 19 days with published data have run warmer than normal. Air quality is currently good (AQI 46), with no notable outdoor health concerns.
Today vs Normal
The long-term average high for today is 23°C.
11 of the last 19 days with published data ran above normal.
It continues that pattern - today's forecast is also running above normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.
Extended Outlook for Lisbon
Over the next 15 days, Lisbon is forecast to see temperatures ranging from 16°C to 35°C, averaging a daily high of 31°C. The extended outlook indicates predominantly dry and clear conditions throughout the period. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.