26.08
wed
wed
Day

73°F
E 9 mph
Precip.
8%
8%
Night

63°F
NE 5 mph
Precip.
12%
12%
27.08
thu
thu
Day

73°F
NE 8 mph
Precip.
9%
9%
Night

63°F
NE 7 mph
Precip.
14%
14%
28.08
fri
fri
Day

75°F
N 13 mph
Precip.
15%
15%
Night

66°F
NW 14 mph
Precip.
71%
71%
29.08
sat
sat
Day

66°F
SE 11 mph
Precip.
33%
33%
Night

55°F
SE 6 mph
Precip.
6%
6%
30.08
sun
sun
Day

66°F
NE 13 mph
Precip.
3%
3%
Night

61°F
NE 21 mph
Precip.
37%
37%
31.08
mon
mon
Day

59°F
SE 17 mph
Precip.
17%
17%
Night

52°F
SE 7 mph
Precip.
8%
8%
01.09
tue
tue
Day

64°F
SE 7 mph
Precip.
17%
17%
Night

50°F
SW 3 mph
Precip.
28%
28%
sea water
temperature
temperature
| Charlottetown |
monthly
weather
weather
| Charlottetown |
current
weather
weather
| Charlottetown |
14 days
forecast
forecast
| Charlottetown |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 69.8°F. The highest and lowest sea temperatures during the month were 73.8°F and 67.1°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 65.8°F. The highest and lowest sea temperatures during the month were 69.6°F and 61.3°F.
Air temperature in Charlottetown, °F
Precipitation total in Charlottetown, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Charlottetown
Charlottetown on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Charlottetown
Local time: 14:00
August 26, wednesday
1500

79°F
E
7 mph
7 mph
1800

73°F
NE
2 mph
2 mph
2100

64°F
NW
2 mph
2 mph
August 27, thursday
0000

63°F
NE
5 mph
5 mph
0300

59°F
E
6 mph
6 mph
0600

59°F
E
5 mph
5 mph
0900

66°F
NE
6 mph
6 mph
1200

73°F
NE
8 mph
8 mph




























