Cascais weather
At 12:30 AM local time it was clear and 17°C (62°F). Little to no rain in the next 24 hours. Best months for weather: May–Sep. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Cascais, Lisbon, Portugal.
Current conditions
- Clouds
- 0%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season May–SepOff season Nov–Mar
About Cascais weather
Is it raining in Cascais right now?
No. It’s clear and 17° right now. Little to no rain in the next 24 hours.
What’s the weather like in Cascais this week?
Over the next 7 days, expect highs of 17–23° and lows of 11–17°. Rain is likely on 3 of 7 days (Thursday, Friday, Saturday). The driest day looks like Sunday.
Has it been raining in Cascais lately?
Barely. The past 7 days were mostly dry, with 0.0 mm of rain in total.
What should I pack for Cascais?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Cascais weather by month
When is the best time to visit Cascais?
Based on weather alone, the best time to visit Cascais is May–Sep, according to NASA's 2001–2025 climate averages. Nov–Mar tends to be the least pleasant. Average highs run from 15°C (58°F) in January to 23°C (73°F) in August.
What is the rainiest month in Cascais?
November is the wettest month, with about 92 mm (3.6 in) of rain on average. July is the driest, with about 3 mm (0.1 in).
What is the hottest month in Cascais?
August is the warmest, with average highs of 23°C (73°F) and lows of 18°C (64°F). January is the coolest, with highs of 15°C (58°F) and lows of 11°C (52°F).
Does Cascais have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is November at about 92 mm (3.6 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months