17.07
fri
fri
Day
64°F
N 2 mph
Precip.
17%
17%
Night
59°F
NW 1 mph
Precip.
13%
13%
18.07
sat
sat
Day
64°F
SE 4 mph
Precip.
17%
17%
Night
57°F
SE 5 mph
Precip.
12%
12%
19.07
sun
sun
Day
63°F
SE 5 mph
Precip.
9%
9%
Night
55°F
NW 5 mph
Precip.
12%
12%
20.07
mon
mon
Day
63°F
N 2 mph
Precip.
4%
4%
Night
55°F
N 4 mph
Precip.
8%
8%
21.07
tue
tue
Day
66°F
S 2 mph
Precip.
2%
2%
Night
59°F
S 6 mph
Precip.
14%
14%
22.07
wed
wed
Day
57°F
SE 16 mph
Precip.
59%
59%
Night
54°F
S 6 mph
Precip.
33%
33%
23.07
thu
thu
Day
61°F
SE 7 mph
Precip.
6%
6%
Night
55°F
E 2 mph
Precip.
9%
9%
sea water
temperature
temperature
| Capetown |
monthly
weather
weather
| Capetown |
current
weather
weather
| Capetown |
14 days
forecast
forecast
| Capetown |
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 56.4°F. The highest and lowest sea temperatures during the month were 58.5°F and 55.6°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 58.0°F. The highest and lowest sea temperatures during the month were 59.5°F and 56.7°F.
Air temperature in Capetown, °F
Precipitation total in Capetown, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Capetown
Capetown on a weather map
Places in South Africa:
Name
°F
24 Hours Forecast
Capetown
Local time: 23:54
July 18, saturday
0000
59°F
NW
1 mph
1 mph
0300
57°F
NE
0 mph
0 mph
0600
57°F
SE
2 mph
2 mph
0900
59°F
S
2 mph
2 mph
1200
64°F
SE
4 mph
4 mph
1500
64°F
SE
5 mph
5 mph
1800
61°F
SE
4 mph
4 mph
2100
59°F
SE
5 mph
5 mph
