Current sea water temperature:
+64.6°F
| Minimum sea water temperature in June: | 68.0°F |
| Maximum sea water temperature in June: | 52.2°F |
| Average sea water temperature in June: | 60.6°F |
| more information | |
14 days
forecast
forecast
| Mystic |
monthly
weather
weather
| Mystic |
Sea water temperature for the last 10 days:
| June 30 | 64.6°F | June 25 | 61.9°F |
| June 29 | 64.6°F | June 24 | 61.5°F |
| June 28 | 65.5°F | June 23 | 61.7°F |
| June 27 | 64.2°F | June 22 | 60.8°F |
| June 26 | 62.1°F | June 21 | 62.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Mystic?
Based on the data about daily sea water temperature for the last three years the warmest sea in Mystic was noticed in August, July and September.
Monthly Sea Temperatures in Mystic, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 69.7°F. The highest and lowest sea temperatures during the month were 73.6°F and 67.8°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 68.9°F. The highest and lowest sea temperatures during the month were 72.0°F and 65.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 68.2°F. The highest and lowest sea temperatures during the month were 70.9°F and 66.9°F.
current
weather
weather
| Mystic |
weather in
July
July
| Mystic |
Best time for vacation in Mystic
Mystic on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Mystic
Local time: 05:15
June 30, tuesday
0600
64°F
NE
3 mph
3 mph
0900
73°F
NE
7 mph
7 mph
1200
84°F
NE
9 mph
9 mph
1500
77°F
N
14 mph
14 mph
1800
73°F
NE
15 mph
15 mph
2100
68°F
NE
9 mph
9 mph
July 01, wednesday
0000
68°F
NE
13 mph
13 mph
0300
70°F
NE
15 mph
15 mph
