Measurements:
°C
°F
CURRENT WEATHER
14:56
Siasconset
56°F
NW 19 mph
Feels like: 52°F
Precip: 100%
World Resorts USA Siasconset Weather

7 Day Weather Forecast

05.14
thu
DAY
56°F
W 19 mph
precip
100%
NIGHT
54°F
E 7 mph
precip
0%
05.15
fri
DAY
54°F
W 6 mph
precip
0%
NIGHT
52°F
S 7 mph
precip
0%
05.16
sat
DAY
54°F
NE 16 mph
precip
0%
NIGHT
56°F
NE 22 mph
precip
0%
05.17
sun
DAY
56°F
E 15 mph
precip
0%
NIGHT
60°F
E 12 mph
precip
0%
05.18
mon
DAY
56°F
W 11 mph
precip
0%
NIGHT
56°F
N 14 mph
precip
0%
05.19
tue
DAY
58°F
NE 16 mph
precip
0%
NIGHT
60°F
NE 22 mph
precip
0%
05.20
wed
DAY
58°F
NE 22 mph
precip
0%
NIGHT
58°F
E 12 mph
precip
100%

Siasconset Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Siasconset was 10.8°F. The maximum and minimum values were 9.0°F and 12.5°F respectively.

Siasconset on the Weather Map

Best Time to Visit Siasconset
The most sunny months:
June 13 days
October 13 days
September 13 days
The most warm months:
August 73.3 °F
July 72.9 °F
September 69.0 °F
Warmest sea temperature:
August 70.7 °F
July 68.5 °F
September 67.9 °F
The most cold months:
February 34.6 °F
January 34.9 °F
March 39.7 °F
The most rainy months:
October 4 days
January 3 days
December 3 days
The most windy months:
January 19 mph
March 19 mph
December 19 mph
more details