Current conditions at
Nantucket, Nantucket Memorial Airport (KACK)
Lat: 41.25°NLon: 70.06°WElev: 46ft.
Overcast
33°F
1°C
| Humidity | 66% |
| Wind Speed | E 8 mph |
| Barometer | 30.12 in (1020.0 mb) |
| Dewpoint | 23°F (-5°C) |
| Visibility | 10.00 mi |
| Wind Chill | 26°F (-3°C) |
| Last update | 16 Feb 3:53 am EST |
Extended Forecast for
3 Miles NNE Siasconset MA
Overnight

Low: 30 °F
Slight Chance
SnowWashington's Birthday
High: 36 °F
Slight Chance
Snow then
Mostly SunnyMonday Night

Low: 31 °F
Partly Cloudy
Tuesday

High: 36 °F
Partly Sunny
Tuesday Night

Low: 33 °F
Mostly Cloudy
Wednesday
High: 37 °F
Slight Chance
Rain then
Rain/Snow
LikelyWednesday Night

Low: 32 °F
Rain/Snow
LikelyThursday

High: 36 °F
Partly Sunny
Thursday Night

Low: 32 °F
Partly Cloudy
Detailed Forecast
Overnight
A slight chance of snow. Cloudy, with a low around 30. East wind around 11 mph. Chance of precipitation is 20%.
Washington's Birthday
A slight chance of snow before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 36. East wind around 14 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 31. Northeast wind 6 to 10 mph.
Tuesday
Partly sunny, with a high near 36. Northwest wind 5 to 7 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 33. West wind around 8 mph.
Wednesday
A slight chance of rain before noon, then a chance of snow between noon and 1pm, then rain likely after 1pm. Cloudy, with a high near 37. West wind around 7 mph becoming southeast in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Rain likely before 11pm, then rain and snow likely between 11pm and 3am, then a chance of snow after 3am. Cloudy, with a low around 32. Southeast wind 9 to 14 mph becoming northwest in the evening. Chance of precipitation is 70%.
Thursday
Partly sunny, with a high near 36. North wind 9 to 13 mph.
Thursday Night
Partly cloudy, with a low around 32. North wind around 7 mph.
Friday
A chance of snow before noon, then a chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Mostly cloudy, with a high near 36. North wind 8 to 13 mph becoming east in the afternoon. Chance of precipitation is 50%.
Friday Night
A chance of rain and snow. Cloudy, with a low around 33. East wind 13 to 16 mph. Chance of precipitation is 50%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 37. Northeast wind 14 to 16 mph. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 32. Northeast wind 11 to 13 mph. Chance of precipitation is 30%.
Sunday
A chance of rain. Mostly cloudy, with a high near 35. North wind 13 to 15 mph. Chance of precipitation is 30%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
1:43 am EST Feb 16, 2026
4am EST Feb 16, 2026-6pm EST Feb 22, 2026


