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
| 19 December 2025 Friday 11.1 ° C / 52°F  Mist |
Feels Like : 6 ° C / 42.7°F Humidity : % 93 Pressure : 996 mb Wind Speed : 80.6 kmph / 50.1 miles from S  Visibility : 6.4 km Precipitation (rainfall) : 0.31 mm Cloud (%) : 100 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 19 December 2025 Friday |  Moderate rain |
3.4 ° C (38.1°F) |
13.1 ° C (55.6°F) |
9.3 ° C (48.8°F) |
% 91 | 89% | 0.1 | Sunrise:07:02 AM Sunset: 04:13 PM |
Moonrise:07:01 AM Moonset: 03:34 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday |  Partly Cloudy |
0.2 ° C (32.4°F) |
2.4 ° C (36.3°F) |
1.7 ° C (35.1°F) |
% 68 | 0% | 0.3 | Sunrise:07:02 AM Sunset: 04:14 PM |
Moonrise:07:53 AM Moonset: 04:29 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Cloudy |
1.9 ° C (35.5°F) |
6.7 ° C (44.1°F) |
5.1 ° C (41.2°F) |
% 84 | 0% | 0.3 | Sunrise:07:03 AM Sunset: 04:14 PM |
Moonrise:08:37 AM Moonset: 05:31 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Sunny |
-2.2 ° C (28.1°F) |
0.4 ° C (32.8°F) |
-0.6 ° C (30.9°F) |
% 55 | 0% | 0.3 | Sunrise:07:03 AM Sunset: 04:15 PM |
Moonrise:09:14 AM Moonset: 06:37 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Overcast |
-1.2 ° C (29.9°F) |
5.7 ° C (42.2°F) |
2.1 ° C (35.8°F) |
% 60 | 0% | 0 | Sunrise:07:04 AM Sunset: 04:15 PM |
Moonrise:09:45 AM Moonset: 07:44 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Sunny |
1.1 ° C (33.9°F) |
3.7 ° C (38.6°F) |
2.7 ° C (36.9°F) |
% 64 | 0% | 2 | Sunrise:07:04 AM Sunset: 04:16 PM |
Moonrise:10:10 AM Moonset: 08:51 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Patchy rain nearby |
0.6 ° C (33°F) |
5.4 ° C (41.7°F) |
3.6 ° C (38.5°F) |
% 77 | 84% | 1 | Sunrise:07:04 AM Sunset: 04:17 PM |
Moonrise:10:33 AM Moonset: 09:59 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
2.9 ° C (37.3°F) |
4.3 ° C (39.7°F) |
3.5 ° C (38.3°F) |
% 86 | 88% | 1 | Sunrise:07:05 AM Sunset: 04:17 PM |
Moonrise:10:55 AM Moonset: 11:07 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Partly Cloudy |
-3.3 ° C (26.1°F) |
-1.4 ° C (29.5°F) |
-1.4 ° C (29.5°F) |
% 69 | 0% | 2 | Sunrise:07:05 AM Sunset: 04:18 PM |
Moonrise:11:16 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Cloudy |
-7.3 ° C (18.9°F) |
-3.9 ° C (24.9°F) |
-5.1 ° C (22.9°F) |
% 62 | 0% | 1 | Sunrise:07:05 AM Sunset: 04:19 PM |
Moonrise:11:39 AM Moonset: 12:17 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Light freezing rain |
-3.3 ° C (26°F) |
-1.8 ° C (28.8°F) |
-2.2 ° C (28°F) |
% 67 | 68% | 1 | Sunrise:07:06 AM Sunset: 04:19 PM |
Moonrise:12:06 PM Moonset: 01:31 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Patchy rain nearby |
-1.1 ° C (30.1°F) |
5.5 ° C (41.8°F) |
3.1 ° C (37.5°F) |
% 92 | 82% | 1 | Sunrise:07:06 AM Sunset: 04:20 PM |
Moonrise:12:38 PM Moonset: 02:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Patchy rain nearby |
4.1 ° C (39.5°F) |
4.8 ° C (40.7°F) |
4.6 ° C (40.3°F) |
% 93 | 0% | 1 | Sunrise:07:06 AM Sunset: 04:21 PM |
Moonrise:01:20 PM Moonset: 04:09 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Overcast |
4.2 ° C (39.6°F) |
4.6 ° C (40.3°F) |
4.5 ° C (40.1°F) |
% 77 | 0% | 1 | Sunrise:07:06 AM Sunset: 04:22 PM |
Moonrise:02:13 PM Moonset: 05:28 AM Moon Phase ( Waxing Gibbous ) |
|
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