26.06
fri
fri
Day
70°F
NE 9 mph
Precip.
9%
9%
Night
66°F
E 7 mph
Precip.
15%
15%
27.06
sat
sat
Day
70°F
NE 9 mph
Precip.
14%
14%
Night
66°F
S 12 mph
Precip.
16%
16%
28.06
sun
sun
Day
72°F
S 16 mph
Precip.
7%
7%
Night
66°F
S 22 mph
Precip.
11%
11%
29.06
mon
mon
Day
70°F
S 21 mph
Precip.
7%
7%
Night
66°F
S 23 mph
Precip.
16%
16%
30.06
tue
tue
Day
72°F
S 14 mph
Precip.
7%
7%
Night
66°F
S 25 mph
Precip.
11%
11%
01.07
wed
wed
Day
75°F
S 15 mph
Precip.
5%
5%
Night
70°F
NW 18 mph
Precip.
5%
5%
02.07
thu
thu
Day
79°F
NE 8 mph
Precip.
2%
2%
Night
72°F
NW 14 mph
Precip.
4%
4%
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 62.2°F. The highest and lowest sea temperatures during the month were 65.3°F and 60.3°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 63.8°F. The highest and lowest sea temperatures during the month were 66.6°F and 59.9°F.
Air temperature in Cascais, °F
Precipitation total in Cascais, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Cascais
Cascais on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Cascais
Local time: 13:05
June 26, friday
1500
70°F
NE
9 mph
9 mph
1800
70°F
NE
9 mph
9 mph
2100
68°F
E
9 mph
9 mph
June 27, saturday
0000
66°F
E
7 mph
7 mph
0300
66°F
E
6 mph
6 mph
0600
66°F
E
4 mph
4 mph
0900
66°F
NE
6 mph
6 mph
1200
70°F
NE
9 mph
9 mph
