Weather

Lisbon Weather Today

Live rain radar, current conditions, an hour-by-hour outlook and a seven-day forecast for Lisbon, with original writing about the city's climate from The Daily Lisbon.

Hot day ahead. Stay hydrated and out of the afternoon sun.

Today's briefing

Lisbon is waking up to a sweltering 34 degrees this morning, with the heat index pushing it to feel more like 36, and temperatures will climb to a scorching 37 degrees by this afternoon under clear skies with virtually no chance of rain. The very high UV index of 8 means the sun's rays will be particularly intense, so you'll want to slip on lightweight, loose-fitting clothes in pale colours, grab a wide-brimmed hat, and don't forget your sunscreen and sunglasses before heading out. The hot spell looks set to continue right through the weekend, with Saturday and Sunday both reaching 36 degrees and staying completely dry, so if you're planning outdoor plans, make sure you're well hydrated and taking regular breaks in the shade.

Clear · 27° in Lisbon

27°

Clear · feels like 28°

Today: 35° / 23°
Humidity: 41%
Wind: 4 km/h W
UV index: 0 · Low
Sunrise: 6:16 am
Sunset: 9:04 pm
Updated: 12:01 am

Next 24 hours

Now
27°
0%
1am
26°
0%
2am
26°
0%
3am
25°
0%
4am
24°
0%
5am
24°
0%
6am
23°
0%
7am
23°
0%
8am
24°
0%
9am
26°
0%
10am
28°
0%
11am
29°
0%
12pm
32°
0%
1pm
33°
0%
2pm
34°
0%
3pm
34°
0%
4pm
35°
0%
5pm
35°
0%
6pm
35°
0%
7pm
34°
0%
8pm
32°
0%
9pm
31°
0%
10pm
30°
0%
11pm
28°
0%

Live rain radar

Drag to pan, scroll the page over it

Animated rain radar via RainViewer (Bureau of Meteorology sources). Full BOM radar loop.

Seven-day forecast

Sat
Overcast
35° 23°
Rain 0%
Sun
Overcast
37° 24°
Rain 0%
Mon
Mainly clear
39° 23°
Rain 0%
Tue
Mainly clear
39° 22°
Rain 0%
Wed
Partly cloudy
38° 23°
Rain 0%
Thu
Partly cloudy
32° 20°
Rain 0%
Fri
Overcast
25° 18°
Rain 3%

Air quality

Good

US AQI

PM2.5: 9
PM10: 15
Ozone: 92

Air quality by Open-Meteo (CAMS), in µg/m³.

Sun and moon

Sunrise: 6:16 am
Sunset: 9:04 pm
Daylight: 14h 48m

Waning gibbous

83% lit

From the weather desk

Lisbon weather, explained

How to read the Lisbon forecast

A good forecast is really three views at once. The current panel tells you what it feels like outside right now, which is what matters before you head out the door. The hourly strip is for planning the next part of your day: when the rain band arrives, when the wind picks up, when it is warm enough to walk. The seven-day outlook is for the week ahead, and it is most reliable in the first three or four days. Read it from the top down and you will almost always have what you need for Lisbon.

What the UV index actually means

The UV index rates the strength of the sun's ultraviolet radiation on a simple scale. Below 3 is low and you can be outside safely without protection. From 3 to 7 is moderate to high, the point at which sunburn becomes likely within an hour, so a hat and sunscreen earn their keep. Above 8 is very high to extreme, and skin can burn in minutes around the middle of the day. The index peaks at solar noon, not at the hottest part of the afternoon, so the safest habit is to check the number rather than judge by the temperature.

Why the overnight low matters as much as the high

Daytime maximums get the headlines, but the overnight minimum shapes how the day actually feels. A cold night means a slow, crisp start and, on clear evenings, the chance of fog or frost before dawn. A mild night means the warmth carries over and the morning is comfortable from the outset. Clear skies let heat escape and push the low down; cloud cover traps it and keeps the night warmer. That is why two days with the same maximum can feel completely different depending on the night that came before.

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Weather data by Open-Meteo. The Daily Lisbon is independent and not affiliated with any government weather agency.

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