Water temperature in Cascais in October

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Is it warm enough to swim in Cascais in October? Average water temperature in Cascais in October is 18.1°C and therefore is not suitable for comfortable swimming. The warmest sea in Cascais in October is 20.2°C, and the coldest is 15.3°C. Average high air temperature in Cascais in October is 22°C, and average low temperature is 14°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Cascais

Changes water temperature in Cascais in October 2024, 2023

To get an accurate forecast for the water temperature in Cascais for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Cascais, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of October.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2024	2023	Min	Max
1 October	17.3°C	19°C	16.1°C	20.2°C
2 October	18.1°C	18.8°C	15.9°C	20.1°C
3 October	17.4°C	19.5°C	16.2°C	20°C
4 October	18.1°C	18.7°C	16.2°C	19.6°C
5 October	17.8°C	18.9°C	16.2°C	19.6°C
6 October	17.5°C	19.1°C	16.5°C	19.8°C
7 October	18.1°C	19.4°C	16°C	19.8°C
8 October	17.9°C	19.5°C	16.3°C	19.9°C
9 October	18.2°C	19.5°C	16.2°C	19.9°C
10 October	18.2°C	19.6°C	16°C	20°C
11 October	18.2°C	18.7°C	16.2°C	19.9°C
12 October	18.5°C	18.8°C	16.5°C	19.6°C
13 October	18.9°C	19.1°C	16.7°C	19.8°C
14 October	18.7°C	19.4°C	16.1°C	19.5°C
15 October	18.1°C	19.4°C	15.7°C	19.9°C

Day	2024	2023	Min	Max
16 October	18.7°C	19.4°C	15.5°C	19.9°C
17 October	18.7°C	19.6°C	15.6°C	19.6°C
18 October	18.9°C	19.8°C	16.1°C	19.8°C
19 October	18.5°C	19.5°C	16.3°C	19.5°C
20 October	18.7°C	19.1°C	16.2°C	19.5°C
21 October	19.1°C	19.2°C	16.3°C	19.4°C
22 October	19°C	18.6°C	16.4°C	19.7°C
23 October	18.9°C	18.8°C	16.1°C	19.9°C
24 October	18.7°C	19°C	16°C	19.9°C
25 October	18.5°C	18.9°C	16.2°C	19.6°C
26 October	18°C	18.9°C	16.2°C	19.6°C
27 October	17.7°C	19.1°C	16.1°C	19.6°C
28 October	17.2°C	19.4°C	16°C	19.4°C
29 October	17.2°C	18.7°C	15.4°C	19.7°C
30 October	17.4°C	18.8°C	15.7°C	19.8°C
31 October	17.8°C	18.8°C	15.3°C	19.5°C

Average water temperature in Cascais in October over a decade

2015	2016	2017	2018	2019
18.6°C	17.7°C	17.5°C	18.2°C	16.6°C

2020	2021	2022	2023	2024
16.6°C	17.4°C	17°C	19.1°C	18.2°C

Cascais sea state in October

Chart comparing the height of waves in Cascais in October over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Weather and climate in Cascais in October

This data display average monthly climate indicators in Cascais in October based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

Average HIGH temperature22°C
Average LOW temperature14°C
Average rainfall days11 days
Average rainfall3.5''/89mm
Average daylight11h
Average sunshine7h
Average UV index4

Cascais water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in October. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Monte Estoril	18.1°C	15.3°C	20.1°C
Praia do Guincho	18.1°C	15.2°C	20.1°C
Carcavelos	18.1°C	15.3°C	20.2°C
Parede	18.1°C	15.3°C	20.2°C
Paco de Arcos	18.2°C	15.4°C	20.2°C
Praia da Adraga	18°C	15.1°C	20.1°C
Cabo da Roca	18°C	15.1°C	20.1°C
Praia da Ursa	18°C	15.1°C	20.1°C
Praia da Aroeira	18°C	15.1°C	20.1°C
Alges	18.2°C	15.5°C	20.3°C

Cascais photo gallery

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Our report for Cascais is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature