Nantucket Weather Forecast 15 Days, Weather in Nantucket Today

Current weather conditions and 15 day weather forecast for Nantucket, Massachusetts, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.

Current weather conditions at Nantucket

26 July 2026 Sunday
18 ° C / 64.4°F
Cloudy
Cloudy
Feels Like : 18 ° C / 64.4°F
Humidity : % 78
Pressure : 1013 mb
Wind Speed : 23.4 kmph / 14.5 miles from ENEENE
Visibility : 16.1 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 75

15 day weather forecast for Nantucket, MA, USA

Weather Forecast for next 15 Days for Nantucket including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.
Here is weather for the next 15 days in Nantucket, Massachusetts state, US. To see the daily forecast, scroll to the table below.
Date Weather forecast Low temperature High temperature Avg. temperature Humidity Chance of rain UV Index Sun Position Moon Position
26 July 2026 Sunday Sunny Sunny 17.5 ° C
(63.5°F)
21.3 ° C
(70.3°F)
19.4 ° C
(67°F)
% 76 36% 8.8 Sunrise:05:30 AM
Sunset: 08:03 PM
Moonrise:06:46 PM
Moonset: 02:32 AM
Moon Phase
( Waxing Gibbous )
27 July 2026 Monday Sunny Sunny 19.4 ° C
(67°F)
20.6 ° C
(69.1°F)
20.1 ° C
(68.2°F)
% 77 13% 8 Sunrise:05:31 AM
Sunset: 08:02 PM
Moonrise:07:26 PM
Moonset: 03:30 AM
Moon Phase
( Full Moon )
28 July 2026 Tuesday Sunny Sunny 20.3 ° C
(68.6°F)
21 ° C
(69.7°F)
20.6 ° C
(69.1°F)
% 79 9% 7.9 Sunrise:05:32 AM
Sunset: 08:01 PM
Moonrise:07:58 PM
Moonset: 04:32 AM
Moon Phase
( Full Moon )
29 July 2026 Wednesday Moderate rain Moderate rain 20 ° C
(68°F)
20.8 ° C
(69.5°F)
20.4 ° C
(68.7°F)
% 92 90% 1.1 Sunrise:05:32 AM
Sunset: 08:00 PM
Moonrise:08:25 PM
Moonset: 05:35 AM
Moon Phase
( Full Moon )
30 July 2026 Thursday Patchy rain nearby Patchy rain nearby 19 ° C
(66.1°F)
21.8 ° C
(71.3°F)
20.7 ° C
(69.2°F)
% 85 86% 6 Sunrise:05:33 AM
Sunset: 07:59 PM
Moonrise:08:48 PM
Moonset: 06:38 AM
Moon Phase
( Waning Gibbous )
31 July 2026 Friday Sunny Sunny 19.6 ° C
(67.3°F)
21.6 ° C
(71°F)
20.8 ° C
(69.5°F)
% 77 71% 6 Sunrise:05:34 AM
Sunset: 07:58 PM
Moonrise:09:08 PM
Moonset: 07:40 AM
Moon Phase
( Waning Gibbous )
01 August 2026 Saturday Sunny Sunny 19.4 ° C
(66.9°F)
23.1 ° C
(73.7°F)
22 ° C
(71.5°F)
% 76 47% 6 Sunrise:05:35 AM
Sunset: 07:57 PM
Moonrise:09:28 PM
Moonset: 08:41 AM
Moon Phase
( Waning Gibbous )
02 August 2026 Sunday Sunny Sunny 22.1 ° C
(71.7°F)
22.6 ° C
(72.7°F)
22.3 ° C
(72.1°F)
% 80 10% 6 Sunrise:05:36 AM
Sunset: 07:56 PM
Moonrise:09:47 PM
Moonset: 09:42 AM
Moon Phase
( Waning Gibbous )
03 August 2026 Monday Sunny Sunny 21.1 ° C
(70°F)
23.2 ° C
(73.7°F)
22.1 ° C
(71.8°F)
% 75 8% 6 Sunrise:05:37 AM
Sunset: 07:55 PM
Moonrise:10:07 PM
Moonset: 10:45 AM
Moon Phase
( Last Quarter )
04 August 2026 Tuesday Sunny Sunny 21.2 ° C
(70.2°F)
23.4 ° C
(74.1°F)
22.2 ° C
(72°F)
% 75 7% 6 Sunrise:05:38 AM
Sunset: 07:54 PM
Moonrise:10:30 PM
Moonset: 11:49 AM
Moon Phase
( Last Quarter )
05 August 2026 Wednesday Sunny Sunny 22 ° C
(71.6°F)
23.1 ° C
(73.6°F)
22.4 ° C
(72.4°F)
% 87 36% 6 Sunrise:05:39 AM
Sunset: 07:53 PM
Moonrise:10:57 PM
Moonset: 12:57 PM
Moon Phase
( Last Quarter )
06 August 2026 Thursday Sunny Sunny 21.8 ° C
(71.3°F)
22.6 ° C
(72.7°F)
22.3 ° C
(72.2°F)
% 87 14% 6 Sunrise:05:40 AM
Sunset: 07:51 PM
Moonrise:11:31 PM
Moonset: 02:08 PM
Moon Phase
( Last Quarter )
07 August 2026 Friday Sunny Sunny 22.1 ° C
(71.8°F)
22.7 ° C
(72.9°F)
22.4 ° C
(72.4°F)
% 88 57% 6 Sunrise:05:41 AM
Sunset: 07:50 PM
Moonrise:Does not rise today
Moonset: 03:20 PM
Moon Phase
( Waning Crescent )
08 August 2026 Saturday Cloudy Cloudy 22.1 ° C
(71.8°F)
23.9 ° C
(75°F)
22.8 ° C
(73.1°F)
% 93 65% 6 Sunrise:05:42 AM
Sunset: 07:49 PM
Moonrise:12:15 AM
Moonset: 04:31 PM
Moon Phase
( Waning Crescent )
Nantucket Weather forecasts are usually fully updated every 4 hours.
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