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Português- Humidity: 55%
- Wind: 21 km/h
Weather in Cascais for the next 15 days
Is Cascais a good place to be right now?
Yes. Cascais is around 27°C with a 0% chance of rain, comfortable for sightseeing.
Why the weather in Cascais differs from nearby places
How this weather affects your trip to Cascais
Plan around the hours that matter: Cascais is easiest to enjoy outside the midday peak, and an indoor option nearby is worth keeping in reserve.
Weather at destinations near Cascais
No nearby destination has its own forecast page yet.
Weather warnings for Cascais
- No weather warnings for Cascais in the days ahead.
Current weather in Cascais
Hourly forecast for the next 24 hours
| 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |
| 27° Clear sky 💧0% · 💨21 | 28° Clear sky 💧0% · 💨25 | 28° Clear sky 💧0% · 💨33 | 27° Clear sky 💧0% · 💨37 | 26° Clear sky 💧0% · 💨40 | 24° Clear sky 💧0% · 💨38 | 22° Clear sky 💧0% · 💨39 | 20° Partly cloudy 💧0% · 💨39 | 19° Partly cloudy 💧0% · 💨38 | 18° Partly cloudy 💧0% · 💨36 | 18° Partly cloudy 💧0% · 💨34 | 17° Partly cloudy 💧0% · 💨34 | 17° Partly cloudy 💧0% · 💨30 | 17° Overcast 💧0% · 💨32 | 17° Overcast 💧0% · 💨32 | 18° Overcast 💧0% · 💨30 | 17° Fog 💧0% · 💨28 | 17° Fog 💧0% · 💨29 | 17° Overcast 💧0% · 💨30 | 17° Overcast 💧0% · 💨29 | 17° Overcast 💧0% · 💨29 | 18° Overcast 💧0% · 💨29 | 19° Mainly clear 💧0% · 💨28 | 21° Mainly clear 💧0% · 💨30 |
10-day weather forecast for Cascais
| Day | Conditions | High / low | Rain |
|---|---|---|---|
| Friday 16/10 | Overcast | 28° / 17° | 0% |
| Saturday 17/10 | Fog | 22° / 17° | 0% |
| Sunday 18/10 | Overcast | 24° / 16° | 0% |
| Monday 19/10 | Mainly clear | 23° / 15° | 0% |
| Tuesday 20/10 | Partly cloudy | 19° / 14° | 0% |
| Wednesday 21/10 | Partly cloudy | 20° / 15° | 0% |
| Thursday 22/10 | Partly cloudy | 20° / 13° | 0% |
| Friday 23/10 | Light showers | 20° / 15° | 0% |
| Saturday 24/10 | Partly cloudy | 20° / 14° | 0% |
| Sunday 25/10 | Partly cloudy | 20° / 13° | 0% |
30-day outlook for Cascais
The first days are a real forecast; the rest is a multi-year climate trend, not a day-by-day prediction.
UV index in Cascais
0.0 — Low
No protection needed.
Wind in Cascais
21 km/h from the North, gusting to 0 km/h.
Visibility in Cascais
Visibility over the next few hours.
Sunrise and sunset in Cascais
Sunrise at 05:47, sunset at 16:59.
Moon phase in Cascais
Waxing crescent
Temperature trend in Cascais
Rainfall trend in Cascais
Climate in Cascais through the year
Climate in Cascais through the year
| Temperature | Rainfall | |
|---|---|---|
| January | 13 °C | 102 mm |
| February | 13 °C | 88 mm |
| March | 14 °C | 109 mm |
| April | 15 °C | 76 mm |
| May | 17 °C | 38 mm |
| June | 18 °C | 29 mm |
| July | 20 °C | 9 mm |
| August | 20 °C | 8 mm |
| September | 20 °C | 27 mm |
| October | 18 °C | 72 mm |
| November | 15 °C | 108 mm |
| December | 14 °C | 98 mm |
Figures update automatically; the time shown is local to the destination.
Travel scores for Cascais today
Best time to visit Cascais
The most comfortable month to visit Cascais is August.
What to do in Cascais today
Today in Cascais the comfortable window is the morning and the late afternoon; keep the middle of the day lighter.
Activities suited to this weather
These activities match the conditions in Cascais right now.
What to wear in Cascais
Pack for the swing between day and night in Cascais rather than for the daytime peak alone.
Rain in the next two hours in Cascais
Minute-by-minute rain for the next two hours at Cascais.
Activity and health index today
How comfortable Cascais feels today for exercise, walking and time outdoors.
Environmental risks in Cascais
Heat stress, mosquito activity, air stagnation and pollen around Cascais.
Golden hour and blue hour in Cascais
When the light is best for photography in Cascais.
Severe weather centre
Any severe weather affecting Cascais in the days ahead.
Weather map of Cascais
Live rain, wind, cloud and temperature layers over Cascais.
Maps and travel tools for Cascais
Discover Cascais
Tours and places to stay in Cascais
Tours, hotels and resorts in Cascais, matched to the season.
Related travel tools
Currency, visa, flights and maps for planning a trip to Cascais.
Travel network around Cascais
Everything a trip to Cascais needs, connected in one place.
Articles about Cascais
Guides and trip reports covering Cascais.
Featured tours in Cascais
Departures and packages that include Cascais.
Frequently asked questions about weather in Cascais
Where is Cascais?
Cascais sits at 38.698, -9.422, 38.698, -9.422.
When is the best month to visit Cascais?
Across the observed record the most comfortable month in Cascais is August, at about 20°C with 8 mm of rain.
Which month is wettest in Cascais?
March is the wettest month in Cascais, averaging 109 mm.
Is Cascais worth visiting in the rainy season?
Yes, with an umbrella and a flexible plan. Rain in Cascais usually comes in short bursts rather than lasting all day, so keep an indoor option nearby.
What should I pack for Cascais?
Pack for the swing between day and night in Cascais: a light layer for the evening and rain cover in the wet season.
Where can I see the Cascais forecast for the next 30 days?
On this page. Choose the 30-day view for detailed days followed by the multi-year climate trend for Cascais.
Dung Rikzak is a travel specialist at Rikzak Travel who reviews the climate data and travel guidance on this page.
📊 Forecast, air quality and climate observations: Open-Meteo.
🧭 Forecasts come straight from the weather API; the monthly climate figures are averaged over 10 years of observations, then combined with the live forecast.
📍 Coordinates, elevation, population and the administrative chain: GeoNames, CC BY 4.0.
🕒 This page was last refreshed on 2026-08-15 and updates automatically.