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Current conditions at
Nantucket, Nantucket Memorial Airport (KACK)
Lat: 41.25°NLon: 70.06°WElev: 46ft.
Fair and Breezy
37°F
3°C
| Humidity | 50% |
| Wind Speed | SW 21 G 29 mph |
| Barometer | 30.09 in (1018.9 mb) |
| Dewpoint | 20°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 26°F (-3°C) |
| Last update | 13 Mar 2:53 pm EDT |
Extended Forecast for
3 Miles NNE Siasconset MA
Tonight
Low: 38 °F
Breezy.
Mostly Cloudy
then Showers
LikelySaturday

High: 44 °F
Sunny and
WindySaturday Night

Low: 34 °F
Mostly Clear
and BreezySunday

High: 43 °F
Partly Sunny
Sunday Night
Low: 39 °F
Mostly Cloudy
then Mostly
Cloudy and
BreezyMonday

High: 52 °F
Rain and
WindyMonday Night

Low: 39 °F
Rain and
WindyTuesday
High: 45 °F
Windy. Rain
Likely then
Chance RainTuesday Night

Low: 28 °F
Partly Cloudy
and Windy
Detailed Forecast
Tonight
Showers likely, mainly after 2am. Mostly cloudy, with a low around 38. Breezy, with a south wind 14 to 19 mph increasing to 20 to 25 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 44. Windy, with a west wind 25 to 31 mph, with gusts as high as 43 mph.
Saturday Night
Mostly clear, with a low around 34. Breezy, with a northwest wind 16 to 24 mph.
Sunday
Partly sunny, with a high near 43. Northwest wind 7 to 9 mph becoming east in the afternoon.
Sunday Night
Mostly cloudy, with a low around 39. Breezy, with a southeast wind 13 to 20 mph.
Monday
Rain, mainly after 8am. High near 52. Windy, with a south wind 26 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 90%.
Monday Night
Rain. Low around 39. Windy, with a south wind 33 to 36 mph, with gusts as high as 48 mph. Chance of precipitation is 90%.
Tuesday
Rain likely, mainly before 10am. Partly sunny, with a high near 45. Windy, with a southwest wind 26 to 29 mph. Chance of precipitation is 70%.
Tuesday Night
Partly cloudy, with a low around 28. Windy, with a west wind 22 to 30 mph.
Wednesday
Sunny, with a high near 35. Northwest wind 7 to 16 mph.
Wednesday Night
Mostly cloudy, with a low around 31. South wind around 7 mph.
Thursday
Partly sunny, with a high near 40. Southeast wind 8 to 11 mph.
Thursday Night
Mostly cloudy, with a low around 36. South wind around 10 mph becoming west after midnight.
Friday
Mostly sunny, with a high near 41. West wind around 11 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)
2:45 pm EDT Mar 13, 2026
3pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026


