Current conditions at
Nantucket, Nantucket Memorial Airport (KACK)
Lat: 41.25°NLon: 70.06°WElev: 46ft.
Overcast
45°F
7°C
| Humidity | 97% |
| Wind Speed | NW 12 mph |
| Barometer | 29.77 in (1008.1 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 8.00 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 21 Mar 8:53 am EDT |
Extended Forecast for
2 Miles ENE Siasconset MA
Today
High: 45 °F
Patchy Fog
then Partly
SunnyTonight

Low: 37 °F
Increasing
CloudsSunday
High: 47 °F
Cloudy and
Breezy then
Chance Rain
and Patchy
FogSunday Night

Low: 35 °F
Rain and
Patchy FogMonday

High: 41 °F
Rain Likely
Monday Night

Low: 32 °F
Mostly Cloudy
Tuesday

High: 38 °F
Sunny
Tuesday Night

Low: 34 °F
Mostly Cloudy
Wednesday

High: 43 °F
Partly Sunny
Detailed Forecast
Today
Patchy fog before noon. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 45. West wind 11 to 18 mph becoming north in the afternoon. Winds could gust as high as 29 mph.
Tonight
Increasing clouds, with a low around 37. North wind 5 to 9 mph becoming light and variable.
Sunday
A chance of rain, mainly after 4pm. Patchy fog after 5pm. Otherwise, cloudy, with a high near 47. Breezy, with a south wind 14 to 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain, mainly after 10pm. Patchy fog before 9pm. Low around 35. Southwest wind around 10 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain likely, mainly before 9am. Mostly cloudy, with a high near 41. North wind 14 to 17 mph. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 32. North wind around 14 mph.
Tuesday
Sunny, with a high near 38. North wind 7 to 13 mph.
Tuesday Night
Mostly cloudy, with a low around 34. Southwest wind 8 to 14 mph.
Wednesday
Partly sunny, with a high near 43. Southwest wind around 16 mph.
Wednesday Night
Mostly cloudy, with a low around 35. West wind around 14 mph becoming northwest after midnight.
Thursday
Partly sunny, with a high near 44. South wind around 13 mph.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 37. Southwest wind 13 to 17 mph. Chance of precipitation is 40%.
Friday
A chance of rain. Partly sunny, with a high near 45. West wind 14 to 17 mph. Chance of precipitation is 40%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles ENE Siasconset MA
41.28°N 69.97°W (Elev. 56 ft)
41.28°N 69.97°W (Elev. 56 ft)
7:26 am EDT Mar 21, 2026
9am EDT Mar 21, 2026-6pm EDT Mar 27, 2026


