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Weather in Cascais, Portugal 🇵🇹

Current Weather in Cascais

Moderate rain at times
19°C
Feels like 14°C. Moderate rain at times.
🌬️ 34 km/h W
💧 73% Humidity
🧭 1013 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 1.0
🌡️ Dew Point: 14°C
🌅 Sunrise: 07:02 AM
🌇 Sunset: 08:15 PM
Map Overlays:

In Cascais right now it is 19°C and moderate rain at times, feeling like 14°C. The air is at 73% humidity and winds are about 34 km/h, and the UV index is 1 (low). The next few days in Cascais look set for about 19°C up to 21°C.

Hourly Forecast for Cascais

10:00
Patchy rain nearby
20°
36%
11:00
Patchy rain nearby
20°
18%
12:00
Patchy rain nearby
20°
27%
13:00
Sunny
20°
4%
14:00
Patchy rain nearby
20°
15%
15:00
Patchy rain nearby
20°
17%
16:00
Patchy rain nearby
20°
15%
17:00
Patchy rain nearby
20°
18%
18:00
Patchy rain nearby
20°
22%
19:00
Patchy rain nearby
20°
19%
20:00
Patchy rain nearby
20°
19%
21:00
Clear
19°
7%
22:00
Patchy rain nearby
19°
19%
23:00
Clear
20°
7%
00:00
Patchy rain nearby
20°
14%
01:00
Clear
19°
6%
02:00
Clear
19°
6%
03:00
Clear
19°
7%
04:00
Clear
20°
7%
05:00
Clear
20°
8%
06:00
Clear
20°
9%
07:00
Clear
20°
9%
08:00
Patchy rain nearby
20°
20%
09:00
Patchy rain nearby
20°
30%

14-Day Forecast for Cascais

Thu, Aug 27
Patchy rain nearby Patchy rain nearby
20° / 19°
Fri, Aug 28
Sunny Sunny
21° / 19°
Sat, Aug 29
Sunny Sunny
20° / 19°
Sun, Aug 30
Sunny Sunny
22° / 20°
Mon, Aug 31
Sunny Sunny
20° / 19°
Tue, Sep 01
Sunny Sunny
20° / 19°
Wed, Sep 02
Sunny Sunny
20° / 19°
Thu, Sep 03
Sunny Sunny
21° / 19°
Fri, Sep 04
Sunny Sunny
22° / 20°
Sat, Sep 05
Sunny Sunny
22° / 20°
Sun, Sep 06
Sunny Sunny
22° / 20°
Mon, Sep 07
Overcast Overcast
22° / 20°
Tue, Sep 08
Sunny Sunny
21° / 19°
Wed, Sep 09
Sunny Sunny
21° / 19°

Additional Forecasts for Cascais

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 148.0 μg/m³
O₃ (Ozone) 72.0 μg/m³
NO₂ (Nitrogen Dioxide) 1.1 μg/m³
SO₂ (Sulphur Dioxide) 0.1 μg/m³
PM2.5 (Fine particles) 4.0 μg/m³
PM10 (Coarse particles) 9.8 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Portugal

Browse Weather in Portugal by cities in alphabetical order:

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Weather in Portugal ›

Best Time to Be Outside in Cascais Today

The most comfortable window in Cascais today looks like 16:00 to 19:00, when it is around 20°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Cascais

What is the temperature in Cascais right now?

It is currently 19°C (67°F) in Cascais, moderate rain at times (feels like 14°C).

What's the weather like in Cascais right now?

Conditions in Cascais right now: Moderate rain at times, humidity 73%, wind 34 km/h W.

What is today's forecast for Cascais?

Today in Cascais: high 20°C, low 19°C, patchy rain nearby. Chance of rain: 77%.

What is the 7-day weather forecast for Cascais?

Daily highs and lows for Cascais:

  • 2026-08-27: 20°C / 19°C
  • 2026-08-28: 21°C / 19°C
  • 2026-08-29: 20°C / 19°C
  • 2026-08-30: 22°C / 20°C
  • 2026-08-31: 20°C / 19°C
  • 2026-09-01: 20°C / 19°C
  • 2026-09-02: 20°C / 19°C
Is it going to rain in Cascais today?

There is a 77% chance of rain in Cascais today. Total expected precipitation: 8.2 mm.

What is the wind speed in Cascais right now?

Wind in Cascais is currently 34 km/h (21 mph) from the W.

What is the UV index in Cascais right now?

The UV index in Cascais is currently 1 (low). Sun protection is recommended when the index is 3 or higher.

Weather forecasts for other major cities in 🇵🇹 Portugal: Lisbon · Porto · Amadora · Braga · Setúbal · Coimbra · Queluz · Funchal · Cacém · Vila Nova de Gaia · Algueirão · Loures · Felgueiras · Évora · Rio de Mouro · Odivelas · Aveiro · Amora · Corroios · Barreiro · Monsanto · Rio Tinto · São Domingos de Rana · Figueira da Foz · Leiria · Ponte de Lima · Faro · Sesimbra · Guimarães · Ermesinde · Santo António dos Olivais · Portimão · Benfica · Cascais · Maia · Viana do Castelo · Oeiras · Esposende · Almada · Olivais · Castelo Branco · Alcabideche · Espinho · Câmara de Lobos · Guarda · Alvalade · Arrentela · Montijo · Charneca de Caparica · Olhão