Current conditions at
Nantucket, Nantucket Memorial Airport (KACK)
Lat: 41.25°NLon: 70.06°WElev: 46ft.
Mostly Cloudy
66°F
19°C
| Humidity | 100% |
| Wind Speed | S 18 mph |
| Barometer | 29.88 in (1011.8 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 7.00 mi |
| Last update | 23 Jun 6:53 am EDT |
Extended Forecast for
2 Miles NNW Siasconset MA
Today

High: 70 °F
Showers and
Patchy FogTonight

Low: 62 °F
Showers and
Patchy FogWednesday
High: 70 °F
Chance
Showers then
SunnyWednesday Night

Low: 64 °F
Mostly Clear
Thursday

High: 70 °F
Sunny
Thursday Night

Low: 62 °F
Partly Cloudy
Friday

High: 68 °F
Chance
ShowersFriday Night

Low: 65 °F
Chance
ShowersSaturday

High: 70 °F
Showers
Likely
Detailed Forecast
Today
Showers and possibly a thunderstorm. Patchy fog before 11am. High near 70. South wind 9 to 16 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and possibly a thunderstorm. Patchy fog. Low around 62. North wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers, mainly before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 70. North wind 7 to 10 mph becoming west in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 64. Southwest wind 7 to 10 mph.
Thursday
Sunny, with a high near 70. Light and variable wind becoming south 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 62. South wind around 8 mph.
Friday
A chance of showers between 11am and 1pm. Partly sunny, with a high near 68. South wind 8 to 13 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers after 9pm. Mostly cloudy, with a low around 65. Southwest wind 8 to 11 mph. Chance of precipitation is 50%.
Saturday
Showers likely, mainly between 9am and 2pm. Mostly cloudy, with a high near 70. Southwest wind 6 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 60%.
Saturday Night
A chance of showers before 5am. Mostly cloudy, with a low around 62. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 68. Northeast wind around 8 mph.
Sunday Night
Partly cloudy, with a low around 62. South wind around 5 mph becoming northwest after midnight.
Monday
Mostly sunny, with a high near 70. North wind around 7 mph becoming south in the afternoon.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles NNW Siasconset MA
41.31°N 70.02°W (Elev. 13 ft)
41.31°N 70.02°W (Elev. 13 ft)
6:56 am EDT Jun 23, 2026
7am EDT Jun 23, 2026-6pm EDT Jun 29, 2026


