Current sea water temperature:
+68.2°F
| Minimum sea water temperature in July: | 74.3°F |
| Maximum sea water temperature in July: | 60.1°F |
| Average sea water temperature in July: | 66.7°F |
| more information | |
14 days
forecast
forecast
| Siasconset |
monthly
weather
weather
| Siasconset |
Sea water temperature for the last 10 days:
| July 21 | 68.2°F | July 16 | 68.7°F |
| July 20 | 67.1°F | July 15 | 66.4°F |
| July 19 | 67.5°F | July 14 | 66.0°F |
| July 18 | 68.2°F | July 13 | 67.5°F |
| July 17 | 69.3°F | July 12 | 66.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Siasconset?
Based on the data about daily sea water temperature for the last three years the warmest sea in Siasconset was noticed in August, July and September.
Monthly Sea Temperatures in Siasconset, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 67.8°F. The highest and lowest sea temperatures during the month were 70.9°F and 65.5°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 67.6°F. The highest and lowest sea temperatures during the month were 71.4°F and 64.2°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 68.5°F and 64.6°F.
current
weather
weather
| Siasconset |
weather in
July
July
| Siasconset |
Best time for vacation in Siasconset
Siasconset on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Siasconset
Local time: 09:44
July 21, tuesday
1200
75°F
NW
17 mph
17 mph
1500
77°F
NW
19 mph
19 mph
1800
77°F
NW
22 mph
22 mph
2100
73°F
N
25 mph
25 mph
July 22, wednesday
0000
72°F
NE
29 mph
29 mph
0300
72°F
NE
26 mph
26 mph
0600
72°F
NE
28 mph
28 mph
0900
72°F
N
25 mph
25 mph
