Measurements:
°C
°F
Estoril
64°F
SW 8 mph
Feels like: 64°F
Precip: 3%
World Resorts Portugal Estoril Weather

Estoril Sea Water Temperature

Current Sea Water Temperature:
+66.0°F
Maximum Sea Water Temperature in October: 70.2°F
Minimum Sea Water Temperature in October: 60.6°F
Average water temperature in October: 65.9°F

Sea Water Temperature for the Last 10 Days:

October 18 66.0°F October 13 66.4°F
October 17 66.8°F October 12 66.6°F
October 16 66.6°F October 11 67.0°F
October 15 66.2°F October 10 67.4°F
October 14 66.2°F October 09 67.2°F

When is the Warmest Sea for Estoril?

According to our data for the last three years for Estoril the highest average sea water temperature was in September, October and August.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Estoril was 65.8°F. The maximum and minimum values were 62.8°F and 67.8°F respectively.

Sea Water Temperature in October

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Estoril was 66.8°F. The maximum and minimum values were 66.0°F and 68.4°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Estoril was 67.6°F. The maximum and minimum values were 65.4°F and 69.6°F respectively.

Best Time to Visit Estoril
The most sunny months:
August 27 days
July 26 days
September 23 days
The most warm months:
August 78.7 °F
July 77.7 °F
September 77.0 °F
Warmest sea temperature:
September 66.2 °F
October 65.8 °F
August 65.5 °F
The most cold months:
January 59.3 °F
February 59.9 °F
December 61.6 °F
The most rainy months:
November 5 days
March 4 days
December 4 days
The most windy months:
July 13 mph
August 13 mph
June 12 mph

Estoril on the Weather Map

Portugal Resorts:
NAME
F°
Albufeira +68
Algarve +68
Cascais +64
Ericeira +56
Faro +68
Funchal +54
Lagos +66
Lisbon +64
Madeira +54
Ponta Delgada +68
Portimao +60
Porto +54
Quarteira +68
Sao Miguel +68
Setubal +56
24 Hours Weather Forecast
Estoril
Local time: 06:12
19 oct, monday
0900 64°F
SW
6 mph
1200 68°F
S
6 mph
1500 64°F
S
15 mph
1800 64°F
S
14 mph
2100 64°F
S
18 mph
20 oct, tuesday
0000 62°F
S
12 mph
0300 62°F
S
12 mph
0600 64°F
S
16 mph