Current sea water temperature:
+45.9°F
| Minimum sea water temperature in April: | 50.4°F |
| Maximum sea water temperature in April: | 39.6°F |
| Average sea water temperature in April: | 44.7°F |
| more information | |
14 days
forecast
forecast
| Siasconset |
monthly
weather
weather
| Siasconset |
Sea water temperature for the last 10 days:
| April 29 | 45.9°F | April 24 | 45.3°F |
| April 28 | 46.8°F | April 23 | 46.0°F |
| April 27 | 45.7°F | April 22 | 45.5°F |
| April 26 | 45.9°F | April 21 | 45.3°F |
| April 25 | 45.7°F | April 20 | 45.3°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
May
May
| Siasconset |
Best time for vacation in Siasconset
Siasconset on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Siasconset
Local time: 08:18
April 29, wednesday
0900
46°F
S
19 mph
19 mph
1200
48°F
S
17 mph
17 mph
1500
50°F
S
11 mph
11 mph
1800
48°F
SW
12 mph
12 mph
2100
48°F
SW
8 mph
8 mph
April 30, thursday
0000
48°F
W
5 mph
5 mph
0300
48°F
S
4 mph
4 mph
0600
48°F
SW
9 mph
9 mph
