16.07
thu
thu
Day
72°F
E 8 mph
Precip.
6%
6%
Night
68°F
SE 9 mph
Precip.
16%
16%
17.07
fri
fri
Day
72°F
SE 12 mph
Precip.
6%
6%
Night
66°F
S 14 mph
Precip.
13%
13%
18.07
sat
sat
Day
72°F
SE 13 mph
Precip.
8%
8%
Night
66°F
SE 12 mph
Precip.
16%
16%
19.07
sun
sun
Day
72°F
SE 11 mph
Precip.
6%
6%
Night
68°F
SE 11 mph
Precip.
14%
14%
20.07
mon
mon
Day
72°F
SE 12 mph
Precip.
6%
6%
Night
66°F
SE 11 mph
Precip.
14%
14%
21.07
tue
tue
Day
72°F
SE 11 mph
Precip.
6%
6%
Night
68°F
S 10 mph
Precip.
14%
14%
22.07
wed
wed
Day
72°F
SE 12 mph
Precip.
5%
5%
Night
66°F
SE 14 mph
Precip.
12%
12%
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 66.4°F. The highest and lowest sea temperatures during the month were 67.8°F and 64.6°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: 14:50
July 16, thursday
1500
73°F
E
11 mph
11 mph
1800
72°F
SE
12 mph
12 mph
2100
70°F
SE
9 mph
9 mph
July 17, friday
0000
68°F
SE
9 mph
9 mph
0300
66°F
S
8 mph
8 mph
0600
66°F
S
6 mph
6 mph
0900
68°F
S
8 mph
8 mph
1200
72°F
SE
12 mph
12 mph
