World Resorts USA Siasconset Weather

Siasconset 14 Days Forecast

18.03
wed
Day
34°F
S 12 mph
Precip.
0%
Night
32°F
NW 9 mph
Precip.
0%
19.03
thu
Day
36°F
NW 9 mph
Precip.
0%
Night
37°F
NE 11 mph
Precip.
0%
20.03
fri
Day
41°F
NE 11 mph
Precip.
0%
Night
43°F
N 22 mph
Precip.
0%
21.03
sat
Day
43°F
N 8 mph
Precip.
0%
Night
45°F
NW 4 mph
Precip.
74%
22.03
sun
Day
43°F
NE 13 mph
Precip.
0%
Night
43°F
SE 4 mph
Precip.
100%
23.03
mon
Day
36°F
SW 28 mph
Precip.
100%
Night
37°F
SW 23 mph
Precip.
30%
24.03
tue
Day
34°F
S 27 mph
Precip.
100%
Night
36°F
E 6 mph
Precip.
0%
25.03
wed
Day
39°F
NE 30 mph
Precip.
0%
Night
37°F
SE 20 mph
Precip.
0%
26.03
thu
Day
36°F
NW 13 mph
Precip.
0%
Night
48°F
N 37 mph
Precip.
0%
27.03
fri
Day
50°F
NE 39 mph
Precip.
0%
Night
39°F
S 30 mph
Precip.
100%
28.03
sat
Day
32°F
SW 35 mph
Precip.
100%
Night
28°F
S 30 mph
Precip.
100%
29.03
sun
Day
32°F
NE 24 mph
Precip.
100%
Night
28°F
SE 20 mph
Precip.
44%
30.03
mon
Day
23°F
SE 22 mph
Precip.
68%
Night
25°F
SE 26 mph
Precip.
20%
31.03
tue
Day
25°F
SE 24 mph
Precip.
71%
Night
34°F
SE 25 mph
Precip.
75%

Sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 39.2°F. The highest and lowest sea temperatures during the month were 42.3°F and 37.2°F.

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 44.4°F. The highest and lowest sea temperatures during the month were 50.4°F and 42.1°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:
October 13 days
June 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 40.4 °F
Rainiest months:
October 4 days
January 3 days
December 3 days
Windiest months:
March 19.1 mph
January 19.0 mph
December 18.9 mph

Siasconset on a weather map

Siasconset
+32°F
NW 9 mph
Feels like: +30°F
Precip.: 0%
Places in USA:
Name
°F
+45°F
+75°F
+75°F
+99°F
+93°F
+66°F
+72°F
+72°F
+37°F
+70°F
+86°F
+72°F
+66°F
+77°F
+37°F
24 Hours Forecast
Siasconset
Local time: 17:26
March 18, wednesday
1800
32°F
NW
9 mph
2100
32°F
NW
9 mph
March 19, thursday
0000
32°F
NW
9 mph
0300
32°F
NW
7 mph
0600
34°F
NW
11 mph
0900
34°F
NW
10 mph
1200
36°F
NW
9 mph
1500
36°F
N
6 mph
Units of measurement: °C / °F