Hazardous Weather Conditions
Current conditions at
Nantucket, Nantucket Memorial Airport (KACK)
Lat: 41.25°NLon: 70.06°WElev: 46ft.
Fog
51°F
11°C
| Humidity | 96% |
| Wind Speed | S 18 G 28 mph |
| Barometer | 29.94 in (1014.0 mb) |
| Dewpoint | 50°F (10°C) |
| Visibility | 0.25 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 5 Apr 8:53 am EDT |
Extended Forecast for
3 Miles NNE Siasconset MA
Today
High: 52 °F
Patchy Fog
and Breezy
then Showers
Likely and
Patchy FogTonight
Low: 41 °F
Showers and
Patchy Fog
then Chance
ShowersMonday

High: 45 °F
Sunny and
BreezyMonday Night

Low: 40 °F
Partly Cloudy
Tuesday

High: 45 °F
Chance
ShowersTuesday Night

Low: 35 °F
Mostly Clear
Wednesday

High: 40 °F
Sunny
Wednesday Night

Low: 37 °F
Mostly Clear
Thursday

High: 46 °F
Sunny
Detailed Forecast
Today
Showers likely, mainly after 4pm. Patchy fog. Otherwise, mostly cloudy, with a high near 52. Breezy, with a southwest wind 21 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers, mainly before 10pm. Patchy fog before midnight. Low around 41. Breezy, with a southwest wind 13 to 20 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Sunny, with a high near 45. Breezy, with a west wind around 23 mph.
Monday Night
Partly cloudy, with a low around 40. West wind 7 to 14 mph.
Tuesday
A chance of showers, mainly before 2pm. Partly sunny, with a high near 45. Southwest wind 9 to 15 mph. Chance of precipitation is 40%.
Tuesday Night
Mostly clear, with a low around 35. North wind 13 to 17 mph.
Wednesday
Sunny, with a high near 40. North wind 6 to 13 mph becoming east in the afternoon.
Wednesday Night
Mostly clear, with a low around 37. South wind 6 to 8 mph.
Thursday
Sunny, with a high near 46. South wind 9 to 11 mph.
Thursday Night
Partly cloudy, with a low around 44. South wind around 11 mph.
Friday
Mostly sunny, with a high near 49. South wind around 11 mph.
Friday Night
Partly cloudy, with a low around 43. Southwest wind 9 to 11 mph.
Saturday
Mostly sunny, with a high near 49. Southwest wind around 10 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)
2:32 am EDT Apr 5, 2026
9am EDT Apr 5, 2026-6pm EDT Apr 11, 2026



