Current sea water temperature:
+60.8°F
| Minimum sea water temperature in October: | 69.1°F |
| Maximum sea water temperature in October: | 32.0°F |
| Average sea water temperature in October: | 57.6°F |
| more information | |
14 days
forecast
forecast
| Montreal |
monthly
weather
weather
| Montreal |
Sea water temperature for the last 10 days:
| October 5 | 60.8°F | September 30 | 62.1°F |
| October 4 | 61.5°F | September 29 | 62.1°F |
| October 3 | 62.2°F | September 28 | 61.7°F |
| October 2 | 62.1°F | September 27 | 61.7°F |
| October 1 | 62.2°F | September 26 | 61.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Montreal?
Based on the data about daily sea water temperature for the last three years the warmest sea in Montreal was noticed in July, August and September.
Monthly Sea Temperatures in Montreal, °F
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 75.0°F. The highest and lowest sea temperatures during the month were 78.1°F and 71.6°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 74.6°F. The highest and lowest sea temperatures during the month were 77.5°F and 71.8°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 66.9°F. The highest and lowest sea temperatures during the month were 72.5°F and 61.7°F.
current
weather
weather
| Montreal |
weather in
October
October
| Montreal |
Best time for vacation in Montreal
Montreal on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Montreal
Local time: 16:10
October 05, monday
1800

48°F
E
17 mph
17 mph
2100

45°F
E
15 mph
15 mph
October 06, tuesday
0000

43°F
E
15 mph
15 mph
0300

43°F
E
14 mph
14 mph
0600

43°F
E
14 mph
14 mph
0900

45°F
E
14 mph
14 mph
1200

50°F
E
14 mph
14 mph
1500

54°F
E
12 mph
12 mph




























