15.08
sat
sat
Day

77°F
S 9 mph
Precip.
2%
2%
Night

72°F
N 7 mph
Precip.
4%
4%
16.08
sun
sun
Day

72°F
N 13 mph
Precip.
5%
5%
Night

73°F
N 21 mph
Precip.
10%
10%
17.08
mon
mon
Day

73°F
NE 24 mph
Precip.
91%
91%
Night

72°F
S 21 mph
Precip.
12%
12%
18.08
tue
tue
Day

70°F
S 10 mph
Precip.
9%
9%
Night

72°F
NE 11 mph
Precip.
9%
9%
19.08
wed
wed
Day

73°F
NE 11 mph
Precip.
8%
8%
Night

73°F
NE 16 mph
Precip.
11%
11%
20.08
thu
thu
Day

75°F
NE 17 mph
Precip.
17%
17%
Night

73°F
E 14 mph
Precip.
48%
48%
21.08
fri
fri
Day

70°F
SW 21 mph
Precip.
11%
11%
Night

68°F
SW 15 mph
Precip.
14%
14%
22.08
sat
sat
Day

70°F
SW 14 mph
Precip.
8%
8%
Night

68°F
W 13 mph
Precip.
14%
14%
23.08
sun
sun
Day

70°F
W 12 mph
Precip.
23%
23%
Night

70°F
W 7 mph
Precip.
13%
13%
24.08
mon
mon
Day

70°F
N 6 mph
Precip.
12%
12%
Night

73°F
NE 13 mph
Precip.
13%
13%
25.08
tue
tue
Day

75°F
NE 12 mph
Precip.
29%
29%
Night

75°F
NE 14 mph
Precip.
14%
14%
26.08
wed
wed
Day

75°F
E 7 mph
Precip.
10%
10%
Night

75°F
NE 15 mph
Precip.
43%
43%
27.08
thu
thu
Day

75°F
E 10 mph
Precip.
15%
15%
Night

72°F
SW 13 mph
Precip.
24%
24%
28.08
fri
fri
Day

68°F
SW 12 mph
Precip.
21%
21%
Night

68°F
NW 14 mph
Precip.
23%
23%
sea water
temperature
temperature
| Siasconset |
monthly
weather
weather
| Siasconset |
current
weather
weather
| Siasconset |
7 days
forecast
forecast
| Siasconset |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 69.4°F. The highest and lowest sea temperatures during the month were 72.5°F and 65.3°F.
Air temperature in Siasconset, °F
Precipitation total in Siasconset, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Siasconset
Siasconset on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Siasconset
Local time: 03:44
August 15, saturday
0600

66°F
S
15 mph
15 mph
0900

72°F
SW
13 mph
13 mph
1200

77°F
S
9 mph
9 mph
1500

70°F
W
6 mph
6 mph
1800

70°F
W
6 mph
6 mph
2100

70°F
NW
5 mph
5 mph
August 16, sunday
0000

72°F
N
7 mph
7 mph
0300

72°F
NE
6 mph
6 mph


























