10-day forecast for Nantucket, MA: 66° to 87°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
84°
Best day: Monday, August 10
73° · 0.51 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1084° / 72°0
Morning76°feels 76°
Afternoon83°feels 88°
Evening78°feels 79°
Overnight74°feels 74°
84 °
Nantucket, Monday, 10 August
Clear. High 84°, low 72°.
Pressure29.97 inHg
Wind7.5 mph SW
Humidity69%
Visibility6.2 mi
Dew point65°
Tue, 1178° / 74°0.04
Morning76°feels 77°
Afternoon76°feels 77°
Evening76°feels 77°
Overnight76°feels 77°
78 °
Nantucket, Tuesday, 11 August
Light rain. High 78°, low 74°.
Pressure29.80 inHg
Wind11.6 mph SW
Humidity83%
Visibility6.2 mi
Dew point71°
Wed, 1276° / 74°0
Morning74°feels 73°
Afternoon76°feels 76°
Evening75°feels 75°
Overnight75°feels 76°
76 °
Nantucket, Wednesday, 12 August
Overcast. High 76°, low 74°.
Pressure29.83 inHg
Wind2.4 mph NW
Humidity52%
Visibility6.2 mi
Dew point56°
Thu, 1378° / 74°0.13
Morning75°feels 77°
Afternoon76°feels 77°
Evening75°feels 76°
Overnight75°feels 76°
78 °
Nantucket, Thursday, 13 August
Light rain. High 78°, low 74°.
Pressure29.68 inHg
Wind24.8 mph SW
Humidity83%
Visibility—
Dew point70°
Fri, 1474° / 68°0
Morning70°feels 69°
Afternoon70°feels 69°
Evening72°feels 72°
Overnight72°feels 72°
74 °
Nantucket, Friday, 14 August
Clear. High 74°, low 68°.
Pressure29.91 inHg
Wind27 mph W
Humidity53%
Visibility—
Dew point52°
Sat, 1574° / 66°0
Morning68°feels 68°
Afternoon69°feels 69°
Evening73°feels 73°
Overnight72°feels 72°
74 °
Nantucket, Saturday, 15 August
Clear. High 74°, low 66°.
Pressure30.03 inHg
Wind19.9 mph NW
Humidity56%
Visibility—
Dew point52°
Sun, 1673° / 69°0
Morning70°feels 70°
Afternoon71°feels 71°
Evening73°feels 72°
Overnight72°feels 71°
73 °
Nantucket, Sunday, 16 August
Overcast. High 73°, low 69°.
Pressure30.15 inHg
Wind14.8 mph NW
Humidity54%
Visibility—
Dew point53°
Mon, 1773° / 68°0.51
Morning72°feels 72°
Afternoon72°feels 72°
Evening72°feels 72°
Overnight69°feels 70°
73 °
Nantucket, Monday, 17 August
Rain. High 73°, low 68°.
Pressure30.06 inHg
Wind22.3 mph SE
Humidity57%
Visibility—
Dew point56°
Tue, 1873° / 69°0.5
Morning72°feels 73°
Afternoon70°feels 70°
Evening70°feels 70°
Overnight70°feels 71°
73 °
Nantucket, Tuesday, 18 August
Rain. High 73°, low 69°.
Pressure29.85 inHg
Wind29.1 mph SW
Humidity83%
Visibility—
Dew point65°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Nantucket, MA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.