Nantucket weather in October: Nantucket, Massachusetts: normal highs, lows, rain and records for October
Nantucket in October has a normal high of 62°F and a normal low of 49°F, a daily mean of 55°F, falling from 66°F on the 1st to 57°F by the 31st. Measurable precipitation falls on 13 days in a normal October, 4.39 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 17°C and low of 9°C, 112 mm of precipitation in October.
- NOAA stationNantucket Mem Airport
- Station IDUSW00014756
- Location41.25°N 70.06°W
- Elevation45 ft (14 m)
- From the center2 miles
- Population (town)14,670
- Census place10,837
- Jan 40° 27°
- Feb 40° 27°
- Mar 44° 32°
- Apr 52° 39°
- May 61° 47°
- Jun 69° 56°
- Jul 75° 63°
- Aug 76° 62°
- Sep 70° 57°
- Oct 62° 49°
- Nov 53° 40°
- Dec 45° 32°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Nantucket in October?
The normal high is 62°F and the normal low 49°F, for a daily mean of 55.2°F. October is 8.5°F cooler than September and 8.8°F warmer than November. October is the 5th warmest month of the year in Nantucket and the wettest. Across the month the normal high falls 9°F, from 66°F on October 1 to 57°F on October 31. From one year to the next October's mean temperature typically moves about 1.8°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 53°F and 57°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 43%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 66°F | 53°F | 43% | 21% |
| October 8 | 64°F | 51°F | 42% | 22% |
| October 15 | 62°F | 49°F | 42% | 22% |
| October 22 | 60°F | 47°F | 40% | 22% |
| October 31 | 57°F | 44°F | 38% | 22% |
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| October 1 | 66°F | 53°F | 43% | 21% | 11 h 50 min |
| October 2 | 66°F | 53°F | 43% | 21% | 11 h 50 min |
| October 3 | 66°F | 53°F | 43% | 21% | 11 h 40 min |
| October 4 | 66°F | 52°F | 42% | 21% | 11 h 40 min |
| October 5 | 65°F | 52°F | 42% | 21% | 11 h 40 min |
| October 6 | 65°F | 52°F | 42% | 21% | 11 h 40 min |
| October 7 | 65°F | 51°F | 42% | 22% | 11 h 30 min |
| October 8 | 64°F | 51°F | 42% | 22% | 11 h 30 min |
| October 9 | 64°F | 51°F | 42% | 22% | 11 h 30 min |
| October 10 | 64°F | 50°F | 42% | 22% | 11 h 20 min |
| October 11 | 63°F | 50°F | 42% | 22% | 11 h 20 min |
| October 12 | 63°F | 50°F | 42% | 22% | 11 h 20 min |
| October 13 | 63°F | 50°F | 42% | 22% | 11 h 20 min |
| October 14 | 63°F | 49°F | 42% | 22% | 11 h 10 min |
| October 15 | 62°F | 49°F | 42% | 22% | 11 h 10 min |
| October 16 | 62°F | 49°F | 41% | 22% | 11 h 10 min |
| October 17 | 62°F | 48°F | 41% | 22% | 11 h 10 min |
| October 18 | 61°F | 48°F | 41% | 22% | 11 h |
| October 19 | 61°F | 48°F | 41% | 22% | 11 h |
| October 20 | 61°F | 47°F | 41% | 22% | 11 h |
| October 21 | 60°F | 47°F | 40% | 22% | 10 h 50 min |
| October 22 | 60°F | 47°F | 40% | 22% | 10 h 50 min |
| October 23 | 60°F | 47°F | 40% | 22% | 10 h 50 min |
| October 24 | 60°F | 46°F | 40% | 22% | 10 h 50 min |
| October 25 | 59°F | 46°F | 40% | 22% | 10 h 40 min |
| October 26 | 59°F | 46°F | 39% | 22% | 10 h 40 min |
| October 27 | 59°F | 45°F | 39% | 22% | 10 h 40 min |
| October 28 | 58°F | 45°F | 39% | 22% | 10 h 40 min |
| October 29 | 58°F | 45°F | 39% | 22% | 10 h 30 min |
| October 30 | 58°F | 44°F | 39% | 22% | 10 h 30 min |
| October 31 | 57°F | 44°F | 38% | 22% | 10 h 30 min |
- Normal high
- 62°FOctober average
- Normal low
- 49°FOctober average
- Precipitation
- 4.39 inmonth total
- Days with precipitation
- 130.01 inch or more
- Daylight
- 11 h 50 min to 10 h 30 minOctober 1 to October 31
- Days at 70°F or more
- 3
- Sunshine
- 72%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014756; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Nantucket in October?
On a given October day the chance of 0.01 inch or more is 41% on average, highest around October 1 (43%). In all, 4.39 in falls on 13 days of a normal October, 1 of them with an inch or more.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014756.
What are the records for October in Nantucket?
The warmest October temperature on this station's record (since 1948) is 83°F, on October 9, 2011; the coldest is 22°F, on October 31, 1966. The wettest October brought 8.42 in (2019).
The October mean against the 1991-2020 normal of 55.2°F: 2021 62.2°F (+7.0), 2022 60.0°F (+4.8), 2023 57.7°F (+2.5), 2024 56.1°F (+0.9), 2025 56.0°F (+0.8). 5 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 62.2°F | +7.0°F | 5.34 in |
| 2022 | 60.0°F | +4.8°F | 8.31 in |
| 2023 | 57.7°F | +2.5°F | 1.58 in |
| 2024 | 56.1°F | +0.9°F | 0.23 in |
| 2025 | 56.0°F | +0.8°F | 3.62 in |
Source: records: ACIS, station USW00014756; recent months: ACIS, station USW00014756. Records and recent months use complete months only.
How does October in Nantucket compare across Massachusetts?
Across the 35 places PlainClimate covers in Massachusetts, October normal highs run from 58°F in Pittsfield to 66°F in Norwood; Nantucket's is 62°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Nantucket in September70°F by day, 57°F at night
- Nantucket in November53°F by day, 40°F at night
- Nantucket through the yearEvery month, frost dates, records and recent years
- Massachusetts in OctoberThe statewide normal and the warmest and coolest places
- Norwood: Massachusetts's warmest Octobernormal high 66°F