Hazardous Weather Conditions
Current conditions at
Nantucket, Nantucket Memorial Airport (KACK)
Lat: 41.25°NLon: 70.06°WElev: 46ft.
Fair
60°F
16°C
| Humidity | 86% |
| Wind Speed | SW 12 mph |
| Barometer | 29.87 in (1011.3 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 16 Jun 10:53 pm EDT |
Extended Forecast for
6 Miles N Siasconset MA
Tonight

Low: 55 °F
Increasing
CloudsWednesday
High: 70 °F
Slight Chance
Showers then
Slight Chance
T-stormsWednesday Night
Low: 56 °F
Partly Cloudy
then Patchy
FogThursday

High: 72 °F
Chance
Showers and
Patchy FogThursday Night
Low: 62 °F
Breezy.
Slight Chance
Showers then
Partly CloudyJuneteenth

High: 73 °F
Slight Chance
Showers and
BreezyFriday Night
Low: 59 °F
Partly Cloudy
and Breezy
then Mostly
ClearSaturday

High: 73 °F
Sunny and
BreezySaturday Night

Low: 58 °F
Mostly Clear
Detailed Forecast
Tonight
Increasing clouds, with a low around 55. Southwest wind 6 to 10 mph.
Wednesday
A slight chance of showers between 11am and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 70. Southeast wind 8 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 56. Southeast wind around 7 mph.
Thursday
A chance of showers, mainly after 11am. Patchy fog between 7am and 10am. Otherwise, mostly cloudy, with a high near 72. Breezy, with a south wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers before 9pm. Partly cloudy, with a low around 62. Breezy, with a southwest wind 17 to 25 mph. Chance of precipitation is 20%.
Juneteenth
A slight chance of showers after 9am. Mostly sunny, with a high near 73. Breezy, with a southwest wind 16 to 22 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 59. Breezy, with a west wind 14 to 20 mph.
Saturday
Sunny, with a high near 73. Breezy, with a west wind 18 to 22 mph.
Saturday Night
Mostly clear, with a low around 58. West wind 15 to 17 mph.
Sunday
Sunny, with a high near 74. West wind 15 to 17 mph.
Sunday Night
Partly cloudy, with a low around 60. West wind 9 to 14 mph.
Monday
A chance of showers. Partly sunny, with a high near 73. Southwest wind 8 to 11 mph becoming southeast in the afternoon. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 58. East wind 11 to 14 mph becoming northwest after midnight. Chance of precipitation is 50%.
Tuesday
A chance of showers. Partly sunny, with a high near 72. North wind around 14 mph. Chance of precipitation is 40%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
6 Miles N Siasconset MA
41.35°N 70.01°W (Elev. 0 ft)
41.35°N 70.01°W (Elev. 0 ft)
8:21 pm EDT Jun 16, 2026
11pm EDT Jun 16, 2026-6pm EDT Jun 23, 2026



