Nantucket climate

Nantucket Weather in October

NOAA 1991-2020 normals for Nantucket Mem AP, 4.7 km from Nantucket

Average highs run from 66°F on October 1 to 57°F on October 31, and lows from 53°F to 44°F. Normal precipitation for the month is 4.39 in over about 13 wet days.

October day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Nantucket, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
62°F
Average low
49°F
Precipitation
4.39 in
Record high
83°FOct 9, 2011
Record low
22°FOct 31, 1966
Chance of a freeze
20%
Daylight
11 h 45 min to 10 h 26 min
Cloud cover
60%
Humidity
80%
Dew point
51°F
Wind
16.6 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Oct 166°F53°F77°F 195040°F 196543%0%
Oct 266°F53°F82°F 197138°F 197243%0%
Oct 366°F53°F76°F 201336°F 197243%0%
Oct 466°F52°F77°F 196741°F 196542%0%
Oct 565°F52°F76°F 200536°F 196542%0%
Oct 665°F52°F74°F 197631°F 196542%0%
Oct 765°F51°F78°F 197133°F 196542%0%
Oct 864°F51°F72°F 200534°F 195442%0%
Oct 964°F51°F83°F 201136°F 197542%0%
Oct 1064°F50°F80°F 201131°F 197242%0%
Oct 1163°F50°F74°F 195529°F 197242%0%
Oct 1263°F50°F74°F 195532°F 197642%0%
Oct 1363°F50°F74°F 201530°F 197642%0%
Oct 1463°F49°F76°F 197133°F 195142%0%
Oct 1562°F49°F75°F 197135°F 200942%0%
Oct 1662°F49°F75°F 197534°F 196141%0%
Oct 1762°F48°F74°F 201630°F 196541%0%
Oct 1861°F48°F70°F 197529°F 196541%0%
Oct 1961°F48°F71°F 201630°F 197041%0%
Oct 2061°F47°F72°F 202124°F 197241%0%
Oct 2160°F47°F73°F 196323°F 197240%0%
Oct 2260°F47°F73°F 202429°F 194840%0%
Oct 2360°F47°F71°F 197130°F 200840%0%
Oct 2460°F46°F76°F 202228°F 197740%0%
Oct 2559°F46°F76°F 202228°F 200340%0%
Oct 2659°F46°F75°F 202232°F 197239%0%
Oct 2759°F45°F72°F 202230°F 196639%0%
Oct 2858°F45°F71°F 197124°F 197439%0%
Oct 2958°F45°F74°F 197131°F 200439%0%
Oct 3058°F44°F73°F 201728°F 196639%0%
Oct 3157°F44°F70°F 195622°F 196638%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Nantucket, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

October 1
sunrise 6:37 AM, sunset 6:22 PM
October 31
sunrise 7:11 AM, sunset 5:37 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00014756 (Nantucket Mem AP), public domain. Records: NOAA GHCN-Daily, station USW00014756, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.