Measurements:
°C
°F
CURRENT WEATHER
22:30
Nantucket
54°F
S 12 mph
Feels like: 46°F
Precip: 100%
World Resorts USA Nantucket Weather

7 Day Weather Forecast

05.18
sat
DAY
52°F
SW 17 mph
precip
100%
NIGHT
52°F
SW 17 mph
precip
81%
05.19
sun
DAY
52°F
SW 21 mph
precip
79%
NIGHT
52°F
SW 20 mph
precip
74%
05.20
mon
DAY
54°F
SW 14 mph
precip
0%
NIGHT
54°F
NE 7 mph
precip
0%
05.21
tue
DAY
56°F
NE 16 mph
precip
0%
NIGHT
56°F
NE 19 mph
precip
0%
05.22
wed
DAY
58°F
NE 19 mph
precip
0%
NIGHT
58°F
NE 21 mph
precip
0%
05.23
thu
DAY
60°F
NE 22 mph
precip
0%
NIGHT
58°F
E 16 mph
precip
100%
05.24
fri
DAY
58°F
E 13 mph
precip
0%
NIGHT
60°F
E 12 mph
precip
0%

Nantucket Sea Water Temperature in May, °F

Select Year: 2023 2022 2021

The average sea surface temperature in May 2023 for Nantucket was 12.7°F. The maximum and minimum values were 9.6°F and 15.3°F respectively.

Nantucket on the Weather Map

Best Time to Visit Nantucket
The most sunny months:
September 14 days
July 13 days
June 13 days
The most warm months:
August 73.7 °F
July 72.7 °F
September 69.2 °F
Warmest sea temperature:
August 75.4 °F
July 72.6 °F
September 71.4 °F
The most cold months:
February 35.6 °F
January 36.3 °F
March 39.2 °F
The most rainy months:
October 5 days
January 4 days
March 3 days
The most windy months:
March 19 mph
December 19 mph
January 18 mph
more details