Current sea water temperature:
+49.5°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: | 57.4°F |
| more information | |
14 days
forecast
forecast
| Montreal |
monthly
weather
weather
| Montreal |
Sea water temperature for the last 10 days:
| October 25 | 49.5°F | October 20 | 51.3°F |
| October 24 | 49.8°F | October 19 | 51.4°F |
| October 23 | 49.8°F | October 18 | 55.6°F |
| October 22 | 50.4°F | October 17 | 55.6°F |
| October 21 | 50.9°F | October 16 | 55.4°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: 20:06
October 25, sunday
2100
50°F
NE
7 mph
7 mph
October 26, monday
0000
48°F
NE
9 mph
9 mph
0300
48°F
NE
8 mph
8 mph
0600
48°F
NE
9 mph
9 mph
0900
48°F
E
9 mph
9 mph
1200
48°F
NE
8 mph
8 mph
1500
50°F
E
9 mph
9 mph
1800
48°F
SE
9 mph
9 mph
