17.03
tue
tue
Day
79°F
W 2 mph
Precip.
0%
0%
Night
70°F
NE 1 mph
Precip.
0%
0%
18.03
wed
wed
Day
73°F
N 6 mph
Precip.
0%
0%
Night
70°F
NW 4 mph
Precip.
0%
0%
19.03
thu
thu
Day
70°F
SE 13 mph
Precip.
88%
88%
Night
66°F
NE 4 mph
Precip.
100%
100%
20.03
fri
fri
Day
66°F
N 12 mph
Precip.
0%
0%
Night
63°F
NW 9 mph
Precip.
0%
0%
21.03
sat
sat
Day
70°F
N 9 mph
Precip.
0%
0%
Night
64°F
NW 8 mph
Precip.
0%
0%
22.03
sun
sun
Day
72°F
N 10 mph
Precip.
0%
0%
Night
66°F
NW 14 mph
Precip.
0%
0%
23.03
mon
mon
Day
79°F
N 7 mph
Precip.
0%
0%
Night
72°F
NE 4 mph
Precip.
0%
0%
24.03
tue
tue
Day
79°F
SE 9 mph
Precip.
23%
23%
Night
68°F
SE 4 mph
Precip.
83%
83%
25.03
wed
wed
Day
70°F
NE 7 mph
Precip.
44%
44%
Night
64°F
N 9 mph
Precip.
0%
0%
26.03
thu
thu
Day
70°F
N 11 mph
Precip.
0%
0%
Night
64°F
N 11 mph
Precip.
0%
0%
27.03
fri
fri
Day
73°F
N 5 mph
Precip.
0%
0%
Night
72°F
NW 4 mph
Precip.
0%
0%
28.03
sat
sat
Day
73°F
SE 8 mph
Precip.
0%
0%
Night
66°F
SE 2 mph
Precip.
27%
27%
29.03
sun
sun
Day
68°F
N 10 mph
Precip.
0%
0%
Night
64°F
NW 6 mph
Precip.
0%
0%
30.03
mon
mon
Day
73°F
NE 5 mph
Precip.
0%
0%
Night
68°F
N 12 mph
Precip.
71%
71%
sea water
temperature
temperature
| Capetown |
monthly
weather
weather
| Capetown |
current
weather
weather
| Capetown |
7 days
forecast
forecast
| Capetown |
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 63.8°F. The highest and lowest sea temperatures during the month were 67.1°F and 62.2°F.
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 57.9°F. The highest and lowest sea temperatures during the month were 61.3°F and 53.1°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: 23:34
March 18, wednesday
0000
70°F
NE
1 mph
1 mph
0300
68°F
NE
1 mph
1 mph
0600
66°F
N
3 mph
3 mph
0900
70°F
N
2 mph
2 mph
1200
73°F
N
6 mph
6 mph
1500
75°F
N
9 mph
9 mph
1800
73°F
N
9 mph
9 mph
2100
72°F
NW
6 mph
6 mph
