Current conditions at
Nantucket, Nantucket Memorial Airport (KACK)
Lat: 41.25°NLon: 70.06°WElev: 46ft.
Fog
45°F
7°C
| Humidity | 100% |
| Wind Speed | S 12 mph |
| Barometer | 29.86 in (1011.1 mb) |
| Dewpoint | 45°F (7°C) |
| Visibility | 0.25 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 19 Apr 6:53 am EDT |
Extended Forecast for
2 Miles ENE Siasconset MA
Today
High: 56 °F
Rain Likely
and Patchy
FogTonight
Low: 41 °F
Chance Rain
and Patchy
Fog then
Partly CloudyMonday
High: 50 °F
Sunny
Monday Night
Low: 38 °F
Slight Chance
ShowersTuesday
High: 46 °F
Mostly Sunny
Tuesday Night
Low: 38 °F
Partly Cloudy
Wednesday
High: 50 °F
Partly Sunny
Wednesday Night
Low: 43 °F
Mostly Cloudy
Thursday
High: 52 °F
Mostly Sunny
Detailed Forecast
Today
Rain likely, with thunderstorms also possible after 3pm. Patchy fog. Otherwise, mostly cloudy, with a high near 56. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of rain before 8pm, then a slight chance of showers between 8pm and 9pm. Patchy fog before 11pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 41. Breezy, with a northwest wind 15 to 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Sunny, with a high near 50. Southwest wind around 8 mph.
Monday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 38. Southwest wind 6 to 11 mph becoming north after midnight. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 46. North wind 8 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 38. Southeast wind 6 to 8 mph becoming southwest after midnight.
Wednesday
Partly sunny, with a high near 50. South wind 10 to 13 mph.
Wednesday Night
Mostly cloudy, with a low around 43. South wind around 8 mph becoming east after midnight.
Thursday
Mostly sunny, with a high near 52. West wind around 9 mph.
Thursday Night
Partly cloudy, with a low around 43. West wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 51. North wind around 8 mph.
Friday Night
Partly cloudy, with a low around 43. South wind around 7 mph becoming northwest after midnight.
Saturday
Partly sunny, with a high near 51. North wind 8 to 10 mph becoming east in the afternoon.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT 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)
3:05 am EDT Apr 19, 2026
7am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
