Lisbon Weather Forecast
Lisbon weather: 67°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Risk assessment for Lisbon
Derived from the current forecast window - not an official warning.
Peak gusts of 36 mph and 3 thunderstorm days in the next 16 days.
Wettest single day forecast at 0,7 in, 1,4 in across the window. Flash flooding risk rises sharply above 50 mm in a day.
16-day forecast for Lisbon
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sun, Aug 23 | ⛈️ Thunderstorm | 73° / 67° | 88% · 0,7 in | 14 mph | 6 |
| Mon, Aug 24 | ⛈️ Thunderstorm | 76° / 69° | 90% · 0,4 in | 14 mph | 7 |
| Tue, Aug 25 | ☁️ Overcast | 74° / 67° | 5% | 8 mph | 7 |
| Wed, Aug 26 | ⛈️ Thunderstorm | 76° / 67° | 79% · 0,3 in | 9 mph | 7 |
| Thu, Aug 27 | ☁️ Overcast | 73° / 65° | 21% · 0,0 in | 10 mph | 7 |
| Fri, Aug 28 | ⛅ Partly cloudy | 74° / 63° | 4% | 9 mph | 7 |
| Sat, Aug 29 | 🌤️ Mainly clear | 76° / 63° | 0% | 8 mph | 7 |
| Sun, Aug 30 | ☀️ Clear sky | 82° / 62° | 2% | 9 mph | 7 |
| Mon, Aug 31 | ☁️ Overcast | 80° / 65° | 2% | 9 mph | 7 |
| Tue, Sep 1 | ⛅ Partly cloudy | 83° / 66° | 2% | 9 mph | 7 |
| Wed, Sep 2 | ⛅ Partly cloudy | 81° / 62° | 4% | 11 mph | 7 |
| Thu, Sep 3 | ☀️ Clear sky | 81° / 61° | 2% | 8 mph | 7 |
| Fri, Sep 4 | ☀️ Clear sky | 81° / 60° | 4% | 8 mph | 7 |
| Sat, Sep 5 | ☁️ Overcast | 80° / 61° | 1% | 8 mph | 7 |
| Sun, Sep 6 | ☁️ Overcast | 81° / 65° | 4% | 14 mph | 7 |
| Mon, Sep 7 | ☀️ Clear sky | -- / -- | 6% | -- | — |
What this means for Lisbon
Today is cooler than average for August. The forecast high of 73°F is 13.1°F below the 86°F typical for this month.
A 88% chance means rain is expected over most of the area. Plan indoor alternatives. Around 0,7 in is forecast, which is enough to soak trails and slow traffic.
Gusts to 36 mph will push high-sided vehicles on exposed roads and bridges. Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 53°F.
See the Lisbon forecast by time range
Lisbon weather - more answers
Explore Lisbon
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Lisbon?
Lisbon is a city in Portugal. Its coordinates are 38.7223, -9.1393. It lies in Europe.
What is the weather like in Lisbon right now?
It is currently 67°F (19°C) with overcast. Humidity is 91% and wind is 2 mph.
When is the best time to visit Lisbon?
May, June, July, August and September offer the most comfortable conditions in Lisbon, which has a Mediterranean climate. January, February and March are usually the hardest months for outdoor plans.
What time zone is Lisbon in?
Lisbon observes Europe/Lisbon (UTC+01:00). The local time is 5:39 AM.
How many people live in Lisbon?
Lisbon has a population of approximately 545.000.
What is the nearest airport to Lisbon?
The closest airports are Lisbon Humberto Delgado Airport (LIS), 4 mi away.
What are the top things to do in Lisbon?
Popular options include Praia da Marinha and Douro River.
What places are in Lisbon?
Lisbon covers 2 places in this atlas, including Lisbon Humberto Delgado Airport and Alfama.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 23, 2026 at 5:39 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
