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Nantucket, MA Weather Forecast


Nantucket, MA Weather Forecast Dated: 320 PM Thu Sep 10 2026
Expect a cool pattern with plenty of sunshine and mostly dry weather over the coming period. generally humid conditions and no major pressure swings will dominate. Isolated storms at times.
Thursday, September 10, 2026
Mid-Morning
74°F 23°C
Scattered Showers
Mid-Afternoon
78°F 26°C
Scattered Showers
Early-Evening
73°F 23°C
Sunny
Pleasant near 78°F 26°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds easing from WSW 30 mph 49 km/h to W 17 mph 28 km/h. Gusts up to 25 mph 41 km/h.
Friday, September 11, 2026
Mid-Morning
69°F 20°C
Overcast
Mid-Afternoon
67°F 19°C
Sunny
Early-Evening
65°F 18°C
Cloudy
Mildly cool near 67°F 19°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds tapering down from NNW 14 mph 23 km/h to S 6 mph 9 km/h.
Saturday, September 12, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
67°F 20°C
Sunny
Early-Evening
68°F 20°C
Sunny
Comfortable at 67°F 20°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the NNW to the S at 11 mph 18 km/h.
Sunday, September 13, 2026
Mid-Morning
69°F 20°C
Sunny
Mid-Afternoon
69°F 21°C
Overcast
Early-Evening
70°F 22°C
Sunny
Mild temperatures up to 69°F 21°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with increasing humidity and barometric pressure falling. Winds swinging from the S to the WNW at 15 mph 24 km/h.
Monday, September 14, 2026
Mid-Morning
70°F 21°C
Partly Cloudy
Mid-Afternoon
65°F 18°C
Partly Cloudy
Early-Evening
67°F 19°C
Sunny
Refreshing around 65°F 18°C, partly cloudy throughout the day, with lower humidity and barometric pressure rising. Winds shifting from the NNW to the ENE at 16 mph 26 km/h. Gusts up to 21 mph 34 km/h.
Tuesday, September 15, 2026
Mid-Morning
65°F 18°C
Partly Cloudy
Mid-Afternoon
65°F 19°C
Sunny
Early-Evening
67°F 19°C
Sunny
Mildly cool near 65°F 19°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds turning from the E to the SSW at 12 mph 20 km/h.
Wednesday, September 16, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
71°F 22°C
Sunny
Comfortable with temperatures reaching 71°F 22°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds switching from the SW to the SSW at 17 mph 27 km/h. Gusts up to 26 mph 41 km/h.
Thursday, September 17, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
65°F 19°C
Scattered Showers
Early-Evening
72°F 22°C
Overcast
Cool with a high near 65°F 19°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds moving from the NNE to the SW at 16 mph 26 km/h. Gusts up to 27 mph 44 km/h.
Friday, September 18, 2026
Mid-Morning
70°F 21°C
Light Showers
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
68°F 21°C
Overcast
Mild temperatures up to 70°F 21°C, morning showers, giving way to clearing skies, with lower humidity and steady pressure. Winds swinging from the SW to the NW at 16 mph 26 km/h. Gusts up to 22 mph 35 km/h.
Saturday, September 19, 2026
Mid-Morning
56°F 14°C
Partly Cloudy
Mid-Afternoon
58°F 14°C
Sunny
Early-Evening
58°F 15°C
Sunny
Mildly cool near 58°F 14°C, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds easing from NNW 17 mph 27 km/h to ESE 7 mph 10 km/h.
Sunday, September 20, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
60°F 16°C
Sunny
Early-Evening
60°F 16°C
Sunny
Comfortable at 60°F 16°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure rising. Winds turning from the NW to the NE at 10 mph 17 km/h.
Monday, September 21, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
60°F 16°C
Sunny
Early-Evening
62°F 17°C
Overcast
Cool with a high near 60°F 16°C, sunny through the afternoon, turning cloudy this evening, with increasing humidity and steady pressure. Winds switching from the ENE to the SSW at 10 mph 16 km/h.
Tuesday, September 22, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
63°F 17°C
Sunny
Refreshing around 63°F 17°C, sunny throughout the day, with lower humidity and steady pressure. Winds moving from the S to the SE at 10 mph 16 km/h.
Wednesday, September 23, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
63°F 17°C
Scattered Showers
Early-Evening
63°F 17°C
Scattered Showers
Mildly cool near 63°F 17°C, scattered downpours possible, with increasing humidity and barometric pressure falling. Winds building from NE at 16 mph 25 km/h to ESE at 25 mph 40 km/h. Gusts up to 28 mph 45 km/h.
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