26.08
wed
wed
Day
70°F
E 7 mph
Precip.
12%
12%
Night
64°F
N 6 mph
Precip.
11%
11%
27.08
thu
thu
Day
72°F
NE 9 mph
Precip.
13%
13%
Night
64°F
N 12 mph
Precip.
9%
9%
28.08
fri
fri
Day
72°F
N 14 mph
Precip.
22%
22%
Night
66°F
N 18 mph
Precip.
72%
72%
29.08
sat
sat
Day
64°F
SE 11 mph
Precip.
19%
19%
Night
59°F
SE 8 mph
Precip.
4%
4%
30.08
sun
sun
Day
64°F
NE 16 mph
Precip.
3%
3%
Night
63°F
NE 19 mph
Precip.
51%
51%
31.08
mon
mon
Day
59°F
SE 20 mph
Precip.
18%
18%
Night
59°F
SE 11 mph
Precip.
6%
6%
01.09
tue
tue
Day
63°F
S 11 mph
Precip.
12%
12%
Night
55°F
W 5 mph
Precip.
20%
20%
sea water
temperature
temperature
| Summerside |
monthly
weather
weather
| Summerside |
current
weather
weather
| Summerside |
14 days
forecast
forecast
| Summerside |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 70.9°F. The highest and lowest sea temperatures during the month were 73.9°F and 66.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 66.2°F. The highest and lowest sea temperatures during the month were 70.0°F and 61.3°F.
Air temperature in Summerside, °F
Precipitation total in Summerside, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Summerside
Summerside on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Summerside
Local time: 13:56
August 26, wednesday
1500
77°F
E
7 mph
7 mph
1800
77°F
W
2 mph
2 mph
2100
68°F
N
4 mph
4 mph
August 27, thursday
0000
64°F
N
6 mph
6 mph
0300
64°F
NE
6 mph
6 mph
0600
63°F
NE
6 mph
6 mph
0900
66°F
NE
7 mph
7 mph
1200
72°F
NE
9 mph
9 mph
