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What is Nantucket, MA, Weather Like in October?

During the month of October, Nantucket, MA, has an average daytime high temperature of 62°F and an average overnight low temperature dropping to 49°F. Around 4.39 inches of precipitation is received during the month, with about 33.14 inches falling in a typical year. Snow is not common in Nantucket, MA.

October 2025: Actual vs. Average Temperatures

Showing temperatures through today (October 23, 2025)
Actual High Average High Actual Low Average Low

Month Summary
Average High: 62.7 F (-0.6 vs avg)
Average Low: 52.1 F (+2.1 vs avg)

Actual data from: KACK

Nantucket, MA Daily Weather Averages for October

Recorded at Nantucket Mem Ap (usw00014756), 2.9 miles SE of Nantucket, MA
Day Avg Temps (°F) Precip (in) Snow (in) Degree Days (°F)
Low High Mean Month Year Month Year Heat Cool
10/1 53 F 66 F 60 F 0.14" 28.89" N/A N/A 5.7 F 0.4 F
10/2 53 F 66 F 59 F 0.28" 29.03" N/A N/A 5.9 F 0.3 F
10/3 53 F 66 F 59 F 0.43" 29.18" N/A N/A 6.2 F 0.3 F
10/4 52 F 66 F 59 F 0.58" 29.33" N/A N/A 6.4 F 0.3 F
10/5 52 F 65 F 59 F 0.73" 29.48" N/A N/A 6.7 F 0.3 F
10/6 52 F 65 F 58 F 0.87" 29.62" N/A N/A 7 F 0.2 F
10/7 51 F 65 F 58 F 1.02" 29.77" N/A N/A 7.3 F 0.2 F
10/8 51 F 64 F 58 F 1.16" 29.91" N/A N/A 7.5 F 0.2 F
10/9 51 F 64 F 57 F 1.31" 30.06" N/A N/A 7.8 F 0.2 F
10/10 50 F 64 F 57 F 1.45" 30.20" N/A N/A 8.1 F 0.2 F
10/11 50 F 63 F 57 F 1.59" 30.34" N/A N/A 8.4 F 0.2 F
10/12 50 F 63 F 57 F 1.73" 30.48" N/A N/A 8.7 F 0.2 F
10/13 50 F 63 F 56 F 1.87" 30.62" N/A N/A 9 F 0.1 F
10/14 49 F 63 F 56 F 2.01" 30.76" N/A N/A 9.2 F 0.1 F
10/15 49 F 62 F 56 F 2.15" 30.90" N/A N/A 9.5 F 0.1 F
10/16 49 F 62 F 55 F 2.29" 31.04" N/A N/A 9.8 F 0.1 F
10/17 48 F 62 F 55 F 2.43" 31.18" N/A N/A 10.1 F N/A
10/18 48 F 61 F 55 F 2.57" 31.32" N/A N/A 10.4 F N/A
10/19 48 F 61 F 54 F 2.71" 31.46" N/A N/A 10.7 F N/A
10/20 47 F 61 F 54 F 2.85" 31.60" N/A N/A 11 F N/A
10/21 47 F 60 F 54 F 3.00" 31.75" N/A N/A 11.3 F N/A
10/22 47 F 60 F 53 F 3.14" 31.89" N/A N/A 11.6 F N/A
10/23 47 F 60 F 53 F 3.30" 32.05" N/A N/A 11.9 F N/A
10/24 46 F 60 F 53 F 3.44" 32.19" N/A N/A 12.2 F N/A
10/25 46 F 59 F 53 F 3.58" 32.33" N/A N/A 12.5 F N/A
10/26 46 F 59 F 52 F 3.72" 32.47" N/A N/A 12.8 F N/A
10/27 45 F 59 F 52 F 3.85" 32.60" N/A N/A 13.1 F N/A
10/28 45 F 58 F 52 F 3.99" 32.74" N/A N/A 13.4 F N/A
10/29 45 F 58 F 51 F 4.12" 32.87" N/A N/A 13.7 F N/A
10/30 44 F 58 F 51 F 4.26" 33.01" N/A N/A 14 F N/A
10/31 44 F 57 F 51 F 4.39" 33.14" N/A N/A 14.3 F N/A