Measurements:
°C
°F
CURRENT WEATHER
13:08
Nantucket
70°F
NE 15 mph
Feels like: 70°F
Precip: 1%
World Resorts USA Nantucket Weather

7 Day Weather Forecast

06.04
thu
DAY
70°F
NE 15 mph
precip
1%
NIGHT
60°F
NE 17 mph
precip
1%
06.05
fri
DAY
62°F
E 13 mph
precip
25%
NIGHT
64°F
NE 14 mph
precip
5%
06.06
sat
DAY
64°F
NE 19 mph
precip
6%
NIGHT
64°F
NE 25 mph
precip
20%
06.07
sun
DAY
62°F
NE 17 mph
precip
42%
NIGHT
58°F
SW 25 mph
precip
73%
06.08
mon
DAY
54°F
SW 28 mph
precip
36%
NIGHT
56°F
S 19 mph
precip
5%
06.09
tue
DAY
58°F
S 24 mph
precip
1%
NIGHT
62°F
S 14 mph
precip
2%
06.10
wed
DAY
62°F
S 23 mph
precip
3%
NIGHT
60°F
SW 19 mph
precip
21%

Nantucket Sea Water Temperature in June, °F

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Nantucket was 15.9°F. The maximum and minimum values were 13.3°F and 19.4°F respectively.

Nantucket on the Weather Map

Best Time to Visit Nantucket
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 74.4 °F
July 72.4 °F
September 70.6 °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
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