Measurements:
°C
°F
Nantucket
56°F
NW 19 mph
Feels like: 52°F
Precip: 100%
World Resorts USA Nantucket Weather April Weather in Nantucket

Nantucket Weather: April

Average Day Temperature: 47.0°F
Average Night Temperature: 44.6°F
Sea Water Temperature: 45.4°F
Number of Sunny Days: 9 days
Sunshine Hours: 12.7 - 14.0 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.0 in

Air Temperature in April, °F

Select Year: 2026 2025 2024

The highest day temperature in April 2026 was 70°F. The lowest night temperature was 32°F. The average values for day and night temperatures during April were 51.6°F и 42.8°F respectivly.

Nantucket Water Sea Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Nantucket was 44.9°F. The maximum and minimum values were 39.6°F and 48.6°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during April. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in April, in

Precipitation total in April for Nantucket is 1.0 in.

Wind Speed in April, mph

The average wind speed in April is 17.2 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Nantucket in April is 6.4 hours.

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

Nantucket on the Weather Map

USA Resorts:
NAME
Boston +56
Chicago +56
Hawaii +78
Honolulu +78
Houston +98
Las Vegas +102
Los Angeles +76
Maui +72
Miami +90
Miami Beach +92
New York +70
San Diego +72
San Francisco +72
Sarasota +96
Tampa +96
24 Hours Weather Forecast
Nantucket
Local time: 13:59
14 may, thursday
1500 56°F
NW
19 mph
1800 56°F
NW
12 mph
2100 54°F
S
6 mph
15 may, friday
0000 54°F
E
7 mph
0300 54°F
E
11 mph
0600 54°F
E
6 mph
0900 54°F
S
4 mph
1200 54°F
W
6 mph