World Resorts USA Siasconset Weather

Siasconset 14 Days Forecast

26.06
fri
Day
70°F
N 12 mph
Precip.
32%
Night
66°F
NE 11 mph
Precip.
35%
27.06
sat
Day
70°F
NW 1 mph
Precip.
19%
Night
68°F
NE 11 mph
Precip.
15%
28.06
sun
Day
68°F
NW 2 mph
Precip.
15%
Night
68°F
N 5 mph
Precip.
63%
29.06
mon
Day
66°F
NW 6 mph
Precip.
15%
Night
66°F
N 9 mph
Precip.
11%
30.06
tue
Day
70°F
NE 16 mph
Precip.
16%
Night
68°F
SE 8 mph
Precip.
27%
01.07
wed
Day
63°F
SW 11 mph
Precip.
16%
Night
64°F
N 7 mph
Precip.
10%
02.07
thu
Day
70°F
NE 16 mph
Precip.
25%
Night
72°F
E 12 mph
Precip.
16%
03.07
fri
Day
73°F
NE 4 mph
Precip.
14%
Night
70°F
NW 11 mph
Precip.
39%
04.07
sat
Day
64°F
S 19 mph
Precip.
32%
Night
63°F
SW 14 mph
Precip.
11%
05.07
sun
Day
64°F
W 13 mph
Precip.
8%
Night
64°F
NW 9 mph
Precip.
6%
06.07
mon
Day
64°F
NW 7 mph
Precip.
8%
Night
64°F
W 7 mph
Precip.
16%
07.07
tue
Day
64°F
N 9 mph
Precip.
12%
Night
68°F
N 14 mph
Precip.
13%
08.07
wed
Day
70°F
N 14 mph
Precip.
17%
Night
70°F
N 19 mph
Precip.
14%
09.07
thu
Day
72°F
N 19 mph
Precip.
18%
Night
70°F
N 17 mph
Precip.
17%

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

Sunniest months:
June 13 days
October 13 days
September 13 days
Warmest months:
August 70.9 °F
July 70.6 °F
September 67.1 °F
Warmest sea temp:
August 68.6 °F
July 66.7 °F
September 66.1 °F
Coldest months:
February 36.1 °F
January 36.4 °F
March 40.7 °F
Rainiest months:
October 4 days
January 3 days
December 3 days
Windiest months:
January 19.0 mph
March 19.0 mph
December 18.9 mph

Siasconset on a weather map

Siasconset
+70°F
NE 17 mph
Feels like: +70°F
Precip.: 24%
Places in USA:
Name
°F
+79°F
+79°F
+108°F
+77°F
+88°F
+86°F
+75°F
+82°F
+86°F
+72°F
+63°F
+90°F
+86°F
+88°F
+70°F
24 Hours Forecast
Siasconset
Local time: 19:18
June 26, friday
2100
68°F
NE
15 mph
June 27, saturday
0000
66°F
NE
11 mph
0300
66°F
NE
14 mph
0600
68°F
E
12 mph
0900
68°F
SE
6 mph
1200
70°F
NW
1 mph
1500
70°F
NE
11 mph
1800
68°F
NE
11 mph
Units of measurement: °C / °F