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Plan your week in Nantucket County with our detailed 7-Day Weather Forecast. Access reliable daily temperature highs and lows, rain chances, and weekly weather pattern summaries.

Nantucket County 7-Day Weather Forecast

Sunday, Oct 25, 2026

Nighttime
51°F

Foggy

Feels like 51°F

Humidity

81%

Wind Speed

2.5 mph

Precipitation

0 in

Pressure

1034 hPa

UV Index

3

Visibility

10 mi

Cloud Cover

58%

Dew Point

42°F

7-Day Weather Forecast

Today

Oct 25

Foggy
54°H
50°L
0%

Mon

Oct 26

Foggy
57°H
54°L
0%

Tue

Oct 27

Foggy
58°H
48°L
0%

Wed

Oct 28

Foggy
50°H
48°L
0%

Thu

Oct 29

Foggy
57°H
51°L
0%

Fri

Oct 30

Foggy
58°H
55°L
0%

Sat

Oct 31

Foggy
57°H
53°L
0%

24-Hour Forecast

11 AM

51°

0%

12 PM

52°

0%

1 PM

51°

0%

2 PM

51°

0%

3 PM

50°

0%

4 PM

51°

0%

5 PM

51°

0%

6 PM

51°

0%

7 PM

52°

0%

8 PM

53°

0%

9 PM

53°

0%

10 PM

54°

0%

11 PM

54°

0%

12 AM

54°

0%

1 AM

54°

0%

2 AM

54°

0%

3 AM

54°

0%

4 AM

54°

0%

5 AM

55°

0%

6 AM

55°

0%

7 AM

55°

0%

8 AM

55°

0%

9 AM

55°

0%

10 AM

55°

0%

Air Quality (AQI)

Air quality sensors are offline for this coordinate.

Sun & Moon Phase

Sunrise

6:00 AM

Sunset

8:00 PM

Moon Phase

Full Moon

Full Moon

Wind Conditions & Storm Tracking

Wind Direction

23.4° NNE

Sustained Wind

2.5 mph

Wind Gusts

2.5 mph

7-Day Temp Range

Week's Hottest

58°F

Max Rain Prob

0%

Expected 7-Day Swings

48°
58°

High and low limits expected over the next week.

Extended Local Forecasts

14 Day Weather Forecast7 Day Weather ForecastHourly Weather Tracker

Location View

Nantucket County · 41.27°N, 70.03°W
Radar Page
Coordinates41.2675°N, 70.0299°W
Elevationm
TimezoneAmerica/New_York

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Safety & Environmental Index

MetricValueStatus / Interpretation
Air Quality (AQI)N/AOffline
UV Index3Moderate Risk
Visibility10 milesClear

Frequently Asked Questions

The 7-day forecast for Nantucket County includes comprehensive daily weather summaries, max/min temperatures, and expected rainfall to keep you prepared for the week.

About Nantucket County Climate & Weather

Weather forecast for Nantucket County is powered by high-resolution weather models using open-source infrastructure. Check current temperatures, rain radar graphs, hourly wind speeds, humidity values, and ultraviolet indexes directly from our weather tracking console.

Meteorological Data: Weather data for this area is aggregated from global and regional forecast models (GFS, HRRR, ERA5) and updated continuously every hour.