Current conditions at
Nantucket, Nantucket Memorial Airport (KACK)
Lat: 41.25°NLon: 70.06°WElev: 46ft.
Mostly Cloudy
36°F
2°C
| Humidity | 59% |
| Wind Speed | E 9 mph |
| Barometer | 30.34 in (1027.3 mb) |
| Dewpoint | 23°F (-5°C) |
| Visibility | 10.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 19 Mar 8:53 am EDT |
Extended Forecast for
3 Miles NNE Siasconset MA
Today

High: 38 °F
Partly Sunny
Tonight

Low: 33 °F
Partly Cloudy
Friday

High: 45 °F
Sunny
Friday Night
Low: 41 °F
Breezy.
Slight Chance
Rain then
Chance RainSaturday
High: 46 °F
Chance Rain
then Mostly
SunnySaturday Night

Low: 39 °F
Mostly Cloudy
Sunday

High: 45 °F
Mostly Cloudy
Sunday Night

Low: 37 °F
Rain Likely
Monday

High: 42 °F
Chance Rain
and Breezy
Detailed Forecast
Today
Partly sunny, with a high near 38. Southeast wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 33. Light and variable wind becoming south around 5 mph after midnight.
Friday
Sunny, with a high near 45. South wind 8 to 15 mph.
Friday Night
A chance of rain, mainly after 1am. Increasing clouds, with a low around 41. Breezy, with a south wind 18 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain, mainly before 11am. Partly sunny, with a high near 46. Southwest wind 13 to 16 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 39. West wind 11 to 13 mph.
Sunday
Mostly cloudy, with a high near 45. Southwest wind around 14 mph.
Sunday Night
Rain likely, mainly after 5am. Mostly cloudy, with a low around 37. Southwest wind 14 to 17 mph. Chance of precipitation is 60%.
Monday
A chance of rain. Mostly cloudy, with a high near 42. Breezy, with a north wind around 21 mph. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 32. Breezy, with a north wind 20 to 24 mph.
Tuesday
Mostly sunny, with a high near 37. Breezy, with a north wind 11 to 20 mph.
Tuesday Night
Partly cloudy, with a low around 34. West wind 11 to 14 mph.
Wednesday
Partly sunny, with a high near 42. Southwest wind around 15 mph.
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)
3:02 am EDT Mar 19, 2026
9am EDT Mar 19, 2026-6pm EDT Mar 25, 2026


