Current sea water temperature:
+63.0°F
| Minimum sea water temperature in June: | 67.5°F |
| Maximum sea water temperature in June: | 51.8°F |
| Average sea water temperature in June: | 58.8°F |
| more information | |
14 days
forecast
forecast
| Siasconset |
monthly
weather
weather
| Siasconset |
Sea water temperature for the last 10 days:
| June 26 | 63.0°F | June 21 | 62.2°F |
| June 25 | 63.1°F | June 20 | 62.6°F |
| June 24 | 60.3°F | June 19 | 61.3°F |
| June 23 | 59.4°F | June 18 | 61.2°F |
| June 22 | 62.8°F | June 17 | 61.7°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:
2025
2024
2023
The average sea water temperature in July of 2025 was 67.0°F. The highest and lowest sea temperatures during the month were 70.2°F and 61.2°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: 18:18
June 26, friday
2100
68°F
NE
16 mph
16 mph
June 27, saturday
0000
68°F
NE
11 mph
11 mph
0300
68°F
NE
12 mph
12 mph
0600
68°F
E
13 mph
13 mph
0900
68°F
E
15 mph
15 mph
1200
68°F
E
7 mph
7 mph
1500
68°F
NE
11 mph
11 mph
1800
68°F
N
15 mph
15 mph
