Current sea water temperature:
+45.5°F
| Minimum sea water temperature in October: | 63.5°F |
| Maximum sea water temperature in October: | 45.5°F |
| Average sea water temperature in October: | 56.9°F |
| more information | |
14 days
forecast
forecast
| Summerside |
monthly
weather
weather
| Summerside |
Sea water temperature for the last 10 days:
| October 25 | 45.5°F | October 20 | 47.3°F |
| October 24 | 49.8°F | October 19 | 48.9°F |
| October 23 | 50.0°F | October 18 | 52.5°F |
| October 22 | 50.4°F | October 17 | 54.1°F |
| October 21 | 48.2°F | October 16 | 53.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Summerside?
Based on the data about daily sea water temperature for the last three years the warmest sea in Summerside was noticed in August, July and September.
Monthly Sea Temperatures in Summerside, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 71.0°F. The highest and lowest sea temperatures during the month were 73.9°F and 66.7°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 67.4°F. The highest and lowest sea temperatures during the month were 71.2°F and 61.9°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 63.1°F. The highest and lowest sea temperatures during the month were 69.6°F and 59.2°F.
current
weather
weather
| Summerside |
weather in
October
October
| Summerside |
Best time for vacation in Summerside
Summerside on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Summerside
Local time: 21:50
October 26, monday
0000

48°F
NE
15 mph
15 mph
0300

48°F
NE
16 mph
16 mph
0600

46°F
NE
14 mph
14 mph
0900

46°F
NE
14 mph
14 mph
1200

52°F
NE
14 mph
14 mph
1500

52°F
E
14 mph
14 mph
1800

50°F
E
12 mph
12 mph
2100

50°F
SE
12 mph
12 mph



























