Nantucket, MA weather in October
Expect cool weather with frequent rain in Nantucket in October, with highs near 62°F and lows near 49°F. Rain falls on about 13 days.
- Normal high
- 62°F
- Normal low
- 49°F
- Wet days
- 13
- 4.4 in total
- Daylight
- 11.1 h
How October changes from start to finish
| October 1 | October 31 | |
|---|---|---|
| Normal high | 66°F | 57°F |
| Normal low | 53°F | 44°F |
| Chance of a wet day | 42% | 39% |
| Sunrise / sunset | 6:37 am / 6:22 pm | 7:10 am / 5:37 pm |
| Daylight | 11.8 h | 10.4 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical October day
- 6 am48°Fdew point 44°F
- 9 am56°Fdew point 47°F
- Noon60°Fdew point 46°F
- 3 pm60°Fdew point 46°F
- 6 pm54°Fdew point 47°F
- 9 pm51°Fdew point 46°F
NOAA hourly normals (local standard time) from Plymouth Muni Airport (54 mi away); average wind 8 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)11 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain (temperature and rain only)0 of 31
- Hot dayshigh 90°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow13 of 31
- Notable rainat least 0.10 in7 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per October, counted from daily records for each year 1991-2020.
Rain in October
Normal precipitation is 4.4 in; a dry October brings about 2.6 in and a wet one about 6.3 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How October varies from year to year
- Warmest October, 1991-20202017: average high 66°F
- Coolest October2004: average high 60°F
- Wettest October2019: 8.4 in
- Driest October2013: 1.1 in
- Highest reading83°F (October 9, 2011)
- Lowest reading28°F (October 25, 2003)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
October compared with September and November
| September | October | November | |
|---|---|---|---|
| Normal high | 70°F | 62°F | 53°F |
| Normal low | 57°F | 49°F | 40°F |
| Wet days | 13 | 13 | 11 |
| Comfortable days | 27 | 11 | 1 |
| Daylight | 12.5 h | 11.1 h | 9.9 h |
Highs change by -8°F from September and -9°F into November.
Nearby alternatives in October
- Drier: Bridgeport, CT162 mi · high 64°F · 10 wet days
How Nantucket ranks in October
- Normal high299th warmest of 378 cities; 8th of 9 in Massachusetts
- Wet days350th driest of 378
What to pack for Nantucket in October
- A rain jacket or umbrella – rain on about 13 days
Heating and cooling
October has 306 heating degree days and 4 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How cold is Nantucket in October?
The normal high is 62°F and the normal low is 49°F. From 1991 to 2020 the coldest October reading was 28°F (October 25, 2003).
Does it rain a lot in Nantucket in October?
About 13 days in October have at least 0.01 in of precipitation, and the normal total is 4.4 in. The wettest October in 1991-2020 was in 2019 (8.4 in); the driest was in 2013 (1.1 in).
Is October a good time to visit Nantucket?
October ranks 6th of 12 months on our comfort score for Nantucket (59 out of 100). It has about 11 comfortable days (judged by temperature only). The best months are July and August.
Where the numbers come from
- Temperature, rain and frost dates: Nantucket Mem Airport (USW00014756), 2.9 mi SE of the city center, 45 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Edgartown (USC00192501), 23 mi WNW of the city center, 30 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Plymouth Muni Airport (USW00054769), 54 mi NW of the city center, 149 ft (128 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Not available for this location: cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).