Estoril
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Estoril Weather in October

October in Estoril averages 21°C (70°F) during the day and 17°C (63°F) at night. Quite a bit of rainfall is typical this month, with around 82 mm (3.2 in) on average. An umbrella is a good idea.

Rainfall in Estoril in October

Historically, approximately 11 days this month are expected to have rain, averaging 82 mm (3.2 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Estoril in October

Estoril in October is worth a visit. The temperature is excellent, with 21°C (70°F) during the day and 17°C (63°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 17°C (63°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Estoril in October

There are approximately 233 hours of sunshine this month, resulting in mostly clear days.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August, September and October typically offer the best circumstances for Estoril.

Estoril Temperature in October

Min Temperature
17°C (63°F)
Max Temperature
21°C (70°F)
Chance of Rain
36%
Precipitation
82 mm (3.2 in)
Rainy days
11 days
Humidity
76% *
Sunshine
233 hours *
Percentage Sunshine
68% *
* Data from: Cascais, Portugal (2 KM, 1 Miles).

Estoril Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Estoril - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Estoril typically drop from around 24°C (75°F) at the start of October to approximately 20°C (68°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 16°C (61°F).

Average temperatures in October

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in October

Historical weather records for Estoril in October

Browse day-by-day weather records for Estoril spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Estoril historical weather extremes in October

The extremes listed below come from historical weather data collected in Estoril from 1976 through 2025.

  • The warmest day in October was on October 18, 1995, with a maximum of 36°C (97°F).
  • On October 31, 2018, Estoril saw its coldest October day with temperatures maxing out at 11°C (52°F).
  • The lowest overnight temperature recorded in October was 7°C (45°F) (October 20, 1998).

Best Places in Portugal in October

Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in October →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Estoril in October

Pleasant temperatures in October mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Estoril in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    9/10
  • Walking
    9/10
  • Barbeque
    8/10
  • Camping
    8/10
  • Outdoor sports
    9/10

Estoril 3-Day Forecast

More climate data for Estoril

Popular in October

Where to go in October - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.