Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

A Few Clouds

49°F

9°C

Humidity 93%
Wind Speed S 3 mph
Barometer 29.92 in (1013.0 mb)
Dewpoint 47°F (8°C)
Visibility 9.00 mi
Last update 16 Apr 5:53 am EDT
Extended Forecast for

2 Miles ENE Siasconset MA

  • Today

    Today: A slight chance of showers before 7am.  Patchy fog between 1pm and 2pm.  Otherwise, partly sunny, with a high near 57. Light and variable wind becoming south 6 to 11 mph in the morning.  Chance of precipitation is 20%.

    High: 57 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 48. Southwest wind 10 to 14 mph.

    Low: 48 °F

    Patchy Fog

  • Friday

    Friday: A slight chance of rain before 9am, then a chance of showers, mainly after 4pm.  Patchy fog before 10am.  Otherwise, partly sunny, with a high near 57. West wind around 8 mph.  Chance of precipitation is 30%.

    High: 57 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A slight chance of rain before 9pm.  Mostly cloudy, with a low around 44. Northeast wind around 7 mph.  Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 50. Northeast wind around 8 mph.

    High: 50 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 44. East wind around 7 mph becoming south after midnight.

    Low: 44 °F

    Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 4pm.  Cloudy, with a high near 54. South wind 10 to 14 mph.  Chance of precipitation is 60%.

    High: 54 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 9pm.  Mostly cloudy, with a low around 38. West wind 13 to 16 mph.  Chance of precipitation is 60%.

    Low: 38 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 47. West wind 14 to 16 mph.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers before 7am. Patchy fog between 1pm and 2pm. Otherwise, partly sunny, with a high near 57. Light and variable wind becoming south 6 to 11 mph in the morning. Chance of precipitation is 20%.
Tonight
Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 48. Southwest wind 10 to 14 mph.
Friday
A slight chance of rain before 9am, then a chance of showers, mainly after 4pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 57. West wind around 8 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of rain before 9pm. Mostly cloudy, with a low around 44. Northeast wind around 7 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 50. Northeast wind around 8 mph.
Saturday Night
Cloudy, with a low around 44. East wind around 7 mph becoming south after midnight.
Sunday
Showers likely, mainly after 4pm. Cloudy, with a high near 54. South wind 10 to 14 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 38. West wind 13 to 16 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 47. West wind 14 to 16 mph.
Monday Night
Partly cloudy, with a low around 36. Northwest wind 11 to 14 mph.
Tuesday
Sunny, with a high near 48. West wind around 11 mph.
Tuesday Night
Partly cloudy, with a low around 41. Southwest wind 13 to 15 mph.
Wednesday
Partly sunny, with a high near 52. Southwest wind around 15 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Siasconset MA
 41.28°N 69.97°W (Elev. 56 ft)
2:29 am EDT Apr 16, 2026
6am EDT Apr 16, 2026-6pm EDT Apr 22, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database