18.07
sat
sat
Day

79°F
SE 6 mph
Precip.
3%
3%
Night

64°F
SE 11 mph
Precip.
29%
29%
19.07
sun
sun
Day

79°F
SE 6 mph
Precip.
2%
2%
Night

64°F
SE 11 mph
Precip.
13%
13%
20.07
mon
mon
Day

81°F
SE 5 mph
Precip.
2%
2%
Night

64°F
S 11 mph
Precip.
10%
10%
21.07
tue
tue
Day

84°F
SE 6 mph
Precip.
3%
3%
Night

66°F
S 10 mph
Precip.
9%
9%
22.07
wed
wed
Day

84°F
SE 9 mph
Precip.
1%
1%
Night

64°F
S 11 mph
Precip.
11%
11%
23.07
thu
thu
Day

84°F
SE 10 mph
Precip.
1%
1%
Night

66°F
SE 9 mph
Precip.
6%
6%
24.07
fri
fri
Day

86°F
SE 9 mph
Precip.
1%
1%
Night

66°F
SE 10 mph
Precip.
8%
8%
25.07
sat
sat
Day

82°F
SE 14 mph
Precip.
1%
1%
Night

68°F
SE 17 mph
Precip.
7%
7%
26.07
sun
sun
Day

77°F
SE 17 mph
Precip.
2%
2%
Night

66°F
S 17 mph
Precip.
11%
11%
27.07
mon
mon
Day

79°F
E 6 mph
Precip.
3%
3%
Night

66°F
S 7 mph
Precip.
10%
10%
28.07
tue
tue
Day

79°F
NW 8 mph
Precip.
3%
3%
Night

68°F
NW 3 mph
Precip.
13%
13%
29.07
wed
wed
Day

77°F
N 7 mph
Precip.
5%
5%
Night

64°F
SE 6 mph
Precip.
13%
13%
30.07
thu
thu
Day

77°F
N 6 mph
Precip.
3%
3%
Night

66°F
SE 7 mph
Precip.
14%
14%
31.07
fri
fri
Day

81°F
NE 5 mph
Precip.
3%
3%
Night

72°F
SE 12 mph
Precip.
5%
5%
sea water
temperature
temperature
| Portimao |
monthly
weather
weather
| Portimao |
current
weather
weather
| Portimao |
7 days
forecast
forecast
| Portimao |
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 71.4°F. The highest and lowest sea temperatures during the month were 73.2°F and 68.0°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 71.6°F. The highest and lowest sea temperatures during the month were 75.4°F and 66.7°F.
Air temperature in Portimao, °F
Precipitation total in Portimao, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Portimao
Portimao on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Portimao
Local time: 02:58
July 18, saturday
0300

63°F
S
9 mph
9 mph
0600

61°F
S
8 mph
8 mph
0900

70°F
S
9 mph
9 mph
1200

79°F
SE
6 mph
6 mph
1500

82°F
SE
16 mph
16 mph
1800

79°F
SE
17 mph
17 mph
2100

68°F
SE
14 mph
14 mph
July 19, sunday
0000

64°F
SE
11 mph
11 mph



























