Current conditions at
Nantucket, Nantucket Memorial Airport (KACK)
Lat: 41.25°NLon: 70.06°WElev: 46ft.
Overcast
49°F
9°C
| Humidity | 90% |
| Wind Speed | SW 17 mph |
| Barometer | 29.94 in (1013.8 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 7.00 mi |
| Wind Chill | 43°F (6°C) |
| Last update | 1 Apr 2:53 am EDT |
Extended Forecast for
3 Miles NNE Siasconset MA
Overnight

Low: 45 °F
Patchy Fog
and WindyWednesday
High: 49 °F
Showers
Likely and
Patchy FogWednesday Night

Low: 39 °F
Showers and
Patchy FogThursday

High: 42 °F
Showers
Likely and
Patchy FogThursday Night
Low: 40 °F
Patchy Fog
then CloudyFriday

High: 49 °F
Mostly Cloudy
Friday Night

Low: 45 °F
Mostly Cloudy
and BreezySaturday

High: 48 °F
Partly Sunny
Saturday Night

Low: 43 °F
Mostly Cloudy
Detailed Forecast
Overnight
Patchy fog before 5am. Otherwise, mostly cloudy, with a low around 45. Windy, with a southwest wind around 26 mph, with gusts as high as 36 mph.
Wednesday
Showers likely, mainly after 5pm. Patchy fog before 11am, then patchy fog after noon. Otherwise, partly sunny, with a high near 49. Breezy, with a southwest wind 17 to 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers. Patchy fog. Low around 39. Northeast wind 8 to 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, mainly before 1pm. Patchy fog. Otherwise, cloudy, with a high near 42. Breezy, with a northeast wind 18 to 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Patchy fog before 9pm. Otherwise, cloudy, with a low around 40. East wind 8 to 15 mph.
Friday
Mostly cloudy, with a high near 49. Southwest wind 8 to 16 mph.
Friday Night
Mostly cloudy, with a low around 45. Breezy, with a southwest wind 18 to 21 mph.
Saturday
Partly sunny, with a high near 48. West wind 10 to 14 mph.
Saturday Night
Mostly cloudy, with a low around 43. East wind 10 to 15 mph becoming south after midnight.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 52. Breezy, with a south wind 20 to 25 mph. Chance of precipitation is 30%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 41. Breezy, with a southwest wind 18 to 23 mph. Chance of precipitation is 60%.
Monday
A chance of showers. Mostly sunny, with a high near 46. West wind 10 to 15 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 39. North wind 8 to 10 mph.
Tuesday
Mostly sunny, with a high near 44. North wind around 9 mph becoming east in the afternoon.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NNE Siasconset MA
41.33°N 69.98°W (Elev. 0 ft)
41.33°N 69.98°W (Elev. 0 ft)
12:19 am EDT Apr 1, 2026
3am EDT Apr 1, 2026-6pm EDT Apr 7, 2026


