Nantucket, MA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Wed
Jul 15 		Partly Cloudy -º / 69º 2% WNW 9 mph 75%
Thu
Jul 16 		Partly Cloudy
View Hourly 		79º / 66º 4% WSW 19 mph 66%
2am Mostly Cloudy 72º 1% NW 8 mph 74%
3am Cloudy 71º 1% NW 8 mph 75%
4am Mostly Cloudy 71º 1% WNW 7 mph 77%
5am Mostly Cloudy 70º 2% WNW 7 mph 77%
6am Partly Cloudy 70º 2% WNW 6 mph 77%
7am Partly Cloudy 72º 2% W 6 mph 75%
8am Partly Cloudy 74º 2% W 8 mph 69%
9am Mostly Sunny 76º 3% WSW 11 mph 67%
10am Mostly Sunny 78º 3% WSW 12 mph 63%
11am Mostly Sunny 78º 3% WSW 14 mph 63%
12pm Mostly Sunny 78º 3% WSW 15 mph 63%
1pm Mostly Sunny 79º 3% WSW 16 mph 60%
2pm Mostly Sunny 78º 3% WSW 17 mph 63%
3pm Mostly Sunny 78º 3% WSW 18 mph 63%
4pm Partly Cloudy 77º 3% WSW 18 mph 66%
5pm Mostly Cloudy 76º 4% WSW 19 mph 70%
6pm Partly Cloudy 75º 4% WSW 19 mph 72%
7pm Mostly Sunny 74º 3% WSW 19 mph 69%
8pm Mostly Sunny 73º 4% WSW 18 mph 72%
9pm Mostly Clear 71º 5% WNW 15 mph 77%
10pm Mostly Clear 69º 7% NW 13 mph 82%
11pm Mostly Clear 67º 10% NNW 8 mph 81%
Fri
Jul 17 		Mostly Sunny
View Hourly 		75º / 66º 2% WNW 10 mph 58%
12am Mostly Clear 67º 6% NNW 5 mph 82%
1am Clear 67º 6% N 6 mph 82%
2am Clear 68º 4% N 5 mph 80%
3am Clear 67º 4% NNW 6 mph 79%
4am Clear 68º 4% NNW 7 mph 77%
5am Clear 68º 3% NNW 5 mph 74%
6am Sunny 68º 2% NW 5 mph 68%
7am Mostly Sunny 71º 1% NW 8 mph 68%
8am Mostly Sunny 71º 1% NNW 9 mph 63%
9am Partly Cloudy 72º 1% NNW 9 mph 60%
10am Partly Cloudy 73º 1% NNW 10 mph 56%
11am Partly Cloudy 74º 1% NW 9 mph 55%
12pm Mostly Sunny 75º 1% NW 8 mph 53%
1pm Mostly Sunny 75º 1% WNW 7 mph 49%
2pm Sunny 75º 1% W 6 mph 52%
3pm Sunny 75º 1% WSW 8 mph 56%
4pm Sunny 75º 1% SW 9 mph 57%
5pm Mostly Sunny 74º 1% SW 9 mph 61%
6pm Partly Cloudy 72º 2% SW 9 mph 67%
7pm Mostly Sunny 71º 3% SSW 9 mph 72%
8pm Sunny 69º 4% SSW 8 mph 76%
9pm Mostly Clear 68º 5% SW 7 mph 80%
10pm Partly Cloudy 67º 5% SW 7 mph 83%
11pm Partly Cloudy 67º 5% SW 7 mph 83%
Sat
Jul 18 		PM Rain
View Hourly 		75º / 69º 63% SSW 19 mph 76%
12am Partly Cloudy 67º 5% SW 7 mph 84%
1am Partly Cloudy 67º 6% SW 7 mph 86%
Sun
Jul 19 		AM Thunderstorms 77º / 66º 72% W 20 mph 76%
Mon
Jul 20 		Partly Cloudy 74º / 66º 7% E 9 mph 66%
Tue
Jul 21 		Rain 78º / 69º 72% SSE 16 mph 76%
Wed
Jul 22 		Showers 76º / 66º 62% SSW 20 mph 83%

Weather Radar for Nantucket, MA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Nantucket, MA

Thursday
High : 73ºF
W wind 5 to 8 kt becoming SW 10 to 15 kt in the afternoon. Winds could gust as high as 22 kt. Patchy smoke. Seas 2 to 3 ft.
Thursday Night
Low : 71ºF
WSW wind 11 to 14 kt becoming NNW 6 to 9 kt in the evening. Winds could gust as high as 21 kt. Areas of smoke before 3am. Seas 2 to 3 ft.
Friday
High : 73ºF
NNW wind around 8 kt becoming SW in the afternoon. Sunny. Seas around 2 ft.
Friday Night
Low : 69ºF
SW wind around 8 kt. Increasing clouds. Seas around 2 ft.
Saturday
High : 72ºF
SSW wind 8 to 11 kt increasing to 11 to 14 kt in the afternoon. A slight chance of showers after 4pm. Seas 2 to 3 ft.
Saturday Night
Low : 66ºF
SW wind 15 to 19 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Seas 3 ft building to 5 ft.
Sunday
High : 75ºF
WSW wind 12 to 17 kt, with gusts as high as 23 kt. A chance of showers before 10am. Seas 4 to 5 ft.
Sunday Night
Low : 69ºF
NW wind around 8 kt. Partly cloudy. Seas around 4 ft.
Monday
High : 72ºF
NW wind around 8 kt becoming S in the afternoon. Sunny. Seas around 3 ft.

NOAA Buoy Data Near Nantucket, MA See Map

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    Wind Speed Forecast for Nantucket, MA

    ThursdayFridaySaturday
    Wind Speed (MPH) 86121719135510697
    6am10am2pm6pm10pm2am6am10am2pm6pm10pm2am
    MPH 86121719135510697
    DIR NWWNWWSWWSWWSWNWNNWNNWWSWSW

    Current Weather Conditions In Nantucket, MA

    As Of: 13 minutes ago

    • 72ºF
    • 72ºF
    • 8mph
    • 0º (NW)
    • 8mph
    • Mostly Cloudy
    • 10mi
    • 29.84"
    • 74%
    • 0ºF

    The weather right now in Nantucket, MA is Mostly Cloudy. The current temperature is 72°F, and the expected high and low for today, Thursday, July 16, 2026, are -° high temperature and 69°F low temperature. The wind is currently blowing at 8 miles per hour, and coming from the Northwest. The wind is gusting to 8 mph. With the wind and the atmosphere the temperature feels like 72° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 74 percent, and air pressure at 29.84 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Air Quality Alert - 4:34pm Wed Jul 15 2026

    ...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT THURSDAY NIGHT...

    The Massachusetts Department of Environmental Protection has issued
    an Air Quality Alert for Fine Particulates, until midnight EDT
    Thursday night.

    An Air Quality Alert day means that Fine Particulates concentrations
    within the region may approach or exceed levels that are Unhealthy
    for Sensitive Groups.

    Air is unhealthy for sensitive children and adults, such as those
    with asthma, lung or heart disease, and older adults. Sensitive
    children and adults should limit prolonged outdoor activity.

    For additional information, please visit the Massachusetts
    Department of Environmental Protection website at:
    https://mass.gov/dep/massair/forecast