Measurements:
°C
°F
CURRENT WEATHER
07:19
Nantucket
42°F
NW 15 mph
Feels like: 36°F
Precip: 0%
World Resorts USA Nantucket Weather

7 Day Weather Forecast

04.03
fri
DAY
46°F
NE 13 mph
precip
73%
NIGHT
46°F
NE 25 mph
precip
0%
04.04
sat
DAY
42°F
SW 19 mph
precip
0%
NIGHT
40°F
NW 21 mph
precip
0%
04.05
sun
DAY
48°F
NE 34 mph
precip
0%
NIGHT
44°F
E 19 mph
precip
100%
04.06
mon
DAY
42°F
E 24 mph
precip
0%
NIGHT
44°F
NE 14 mph
precip
0%
04.07
tue
DAY
42°F
E 14 mph
precip
0%
NIGHT
38°F
S 26 mph
precip
78%
04.08
wed
DAY
32°F
S 25 mph
precip
0%
NIGHT
34°F
W 12 mph
precip
0%
04.09
thu
DAY
36°F
NW 9 mph
precip
0%
NIGHT
40°F
NE 7 mph
precip
0%

Nantucket Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Nantucket was 7.3°F. The maximum and minimum values were 5.9°F and 10.4°F respectively.

Nantucket on the Weather Map

Best Time to Visit Nantucket
The most sunny months:
October 13 days
June 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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