25.08
tue
tue
Day

82°F
W 7 mph
Precip.
4%
4%
Night

79°F
NE 8 mph
Precip.
17%
17%
26.08
wed
wed
Day

81°F
NE 10 mph
Precip.
13%
13%
Night

79°F
NE 15 mph
Precip.
16%
16%
27.08
thu
thu
Day

81°F
NE 14 mph
Precip.
16%
16%
Night

81°F
NE 12 mph
Precip.
19%
19%
28.08
fri
fri
Day

81°F
SW 8 mph
Precip.
10%
10%
Night

79°F
SW 6 mph
Precip.
6%
6%
29.08
sat
sat
Day

81°F
W 13 mph
Precip.
5%
5%
Night

79°F
SW 8 mph
Precip.
25%
25%
30.08
sun
sun
Day

81°F
W 7 mph
Precip.
12%
12%
Night

79°F
N 5 mph
Precip.
11%
11%
31.08
mon
mon
Day

81°F
W 6 mph
Precip.
8%
8%
Night

79°F
SW 6 mph
Precip.
17%
17%
01.09
tue
tue
Day

81°F
SW 5 mph
Precip.
21%
21%
Night

79°F
W 7 mph
Precip.
25%
25%
02.09
wed
wed
Day

81°F
NE 11 mph
Precip.
20%
20%
Night

81°F
W 4 mph
Precip.
11%
11%
03.09
thu
thu
Day

81°F
SW 22 mph
Precip.
19%
19%
Night

79°F
SW 13 mph
Precip.
18%
18%
04.09
fri
fri
Day

79°F
W 11 mph
Precip.
10%
10%
Night

77°F
SW 6 mph
Precip.
9%
9%
05.09
sat
sat
Day

79°F
N 5 mph
Precip.
9%
9%
Night

77°F
NE 12 mph
Precip.
15%
15%
06.09
sun
sun
Day

81°F
N 6 mph
Precip.
6%
6%
Night

79°F
SW 7 mph
Precip.
10%
10%
07.09
mon
mon
Day

81°F
SW 9 mph
Precip.
7%
7%
Night

79°F
NE 7 mph
Precip.
11%
11%
sea water
temperature
temperature
| Cartagena |
monthly
weather
weather
| Cartagena |
current
weather
weather
| Cartagena |
7 days
forecast
forecast
| Cartagena |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 83.4°F. The highest and lowest sea temperatures during the month were 84.7°F and 81.5°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 78.4°F. The highest and lowest sea temperatures during the month were 81.0°F and 76.1°F.
Air temperature in Cartagena, °F
Precipitation total in Cartagena, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Cartagena
Cartagena on a weather map
Places in Spain:
Name
°F
24 Hours Forecast
Cartagena
Local time: 21:17
August 26, wednesday
0000

79°F
NE
8 mph
8 mph
0300

79°F
NE
8 mph
8 mph
0600

77°F
NE
9 mph
9 mph
0900

79°F
N
7 mph
7 mph
1200

81°F
NE
10 mph
10 mph
1500

79°F
NE
16 mph
16 mph
1800

81°F
N
14 mph
14 mph
2100

79°F
N
17 mph
17 mph





























