26.06
fri
fri
Day

70°F
N 12 mph
Precip.
32%
32%
Night

66°F
NE 11 mph
Precip.
35%
35%
27.06
sat
sat
Day

70°F
NW 1 mph
Precip.
19%
19%
Night

68°F
NE 11 mph
Precip.
15%
15%
28.06
sun
sun
Day

68°F
NW 2 mph
Precip.
15%
15%
Night

68°F
N 5 mph
Precip.
63%
63%
29.06
mon
mon
Day

66°F
NW 6 mph
Precip.
15%
15%
Night

66°F
N 9 mph
Precip.
11%
11%
30.06
tue
tue
Day

70°F
NE 16 mph
Precip.
16%
16%
Night

68°F
SE 8 mph
Precip.
27%
27%
01.07
wed
wed
Day

63°F
SW 11 mph
Precip.
16%
16%
Night

64°F
N 7 mph
Precip.
10%
10%
02.07
thu
thu
Day

70°F
NE 16 mph
Precip.
25%
25%
Night

72°F
E 12 mph
Precip.
16%
16%
03.07
fri
fri
Day

73°F
NE 4 mph
Precip.
14%
14%
Night

70°F
NW 11 mph
Precip.
39%
39%
04.07
sat
sat
Day

64°F
S 19 mph
Precip.
32%
32%
Night

63°F
SW 14 mph
Precip.
11%
11%
05.07
sun
sun
Day

64°F
W 13 mph
Precip.
8%
8%
Night

64°F
NW 9 mph
Precip.
6%
6%
06.07
mon
mon
Day

64°F
NW 7 mph
Precip.
8%
8%
Night

64°F
W 7 mph
Precip.
16%
16%
07.07
tue
tue
Day

64°F
N 9 mph
Precip.
12%
12%
Night

68°F
N 14 mph
Precip.
13%
13%
08.07
wed
wed
Day

70°F
N 14 mph
Precip.
17%
17%
Night

70°F
N 19 mph
Precip.
14%
14%
09.07
thu
thu
Day

72°F
N 19 mph
Precip.
18%
18%
Night

70°F
N 17 mph
Precip.
17%
17%
sea water
temperature
temperature
| Siasconset |
monthly
weather
weather
| Siasconset |
current
weather
weather
| Siasconset |
7 days
forecast
forecast
| Siasconset |
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 59.0°F. The highest and lowest sea temperatures during the month were 63.1°F and 52.3°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.
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: 19:18
June 26, friday
2100

68°F
NE
15 mph
15 mph
June 27, saturday
0000

66°F
NE
11 mph
11 mph
0300

66°F
NE
14 mph
14 mph
0600

68°F
E
12 mph
12 mph
0900

68°F
SE
6 mph
6 mph
1200

70°F
NW
1 mph
1 mph
1500

70°F
NE
11 mph
11 mph
1800

68°F
NE
11 mph
11 mph





























