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What is Chappaquiddick Island, MA, Weather Like in October?
During the month of October, Chappaquiddick Island, MA,
has an average daytime high temperature of 64°F and an average overnight low temperature dropping to 48°F.
Around 4.63 inches of precipitation is received during the month,
with about 38.66 inches falling in a typical year.
As you might expect, snow is not common in the month of October.
Annually, Chappaquiddick Island receives around 21.90 inches of snow.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 25, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 63.3 F
(-1.9 vs avg)
Average Low: 50.9 F
(+1.6 vs avg)
Actual data from: KMVY
Chappaquiddick Island, MA Daily Weather Averages for October
Recorded at Edgartown
(usc00192501),
2.4 miles
WNW of
Chappaquiddick Island, 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 | 69 F | 61 F | 0.14" | 34.17" | 0.00" | 21.90" | 4.7 F | 0.9 F |
| 10/2 | 53 F | 69 F | 61 F | 0.29" | 34.32" | 0.00" | 21.90" | 4.9 F | 0.8 F |
| 10/3 | 53 F | 68 F | 61 F | 0.43" | 34.46" | 0.00" | 21.90" | 5.2 F | 0.7 F |
| 10/4 | 52 F | 68 F | 60 F | 0.58" | 34.61" | 0.00" | 21.90" | 5.5 F | 0.7 F |
| 10/5 | 52 F | 68 F | 60 F | 0.72" | 34.75" | 0.00" | 21.90" | 5.8 F | 0.6 F |
| 10/6 | 52 F | 67 F | 59 F | 0.87" | 34.90" | 0.00" | 21.90" | 6.1 F | 0.5 F |
| 10/7 | 51 F | 67 F | 59 F | 1.03" | 35.06" | 0.00" | 21.90" | 6.4 F | 0.5 F |
| 10/8 | 51 F | 67 F | 59 F | 1.18" | 35.21" | 0.00" | 21.90" | 6.7 F | 0.4 F |
| 10/9 | 50 F | 66 F | 58 F | 1.33" | 35.36" | 0.00" | 21.90" | 7 F | 0.4 F |
| 10/10 | 50 F | 66 F | 58 F | 1.48" | 35.51" | 0.00" | 21.90" | 7.4 F | 0.4 F |
| 10/11 | 50 F | 66 F | 58 F | 1.63" | 35.66" | 0.00" | 21.90" | 7.7 F | 0.3 F |
| 10/12 | 49 F | 65 F | 57 F | 1.78" | 35.81" | 0.00" | 21.90" | 8 F | 0.3 F |
| 10/13 | 49 F | 65 F | 57 F | 1.92" | 35.95" | 0.00" | 21.90" | 8.3 F | 0.3 F |
| 10/14 | 49 F | 65 F | 57 F | 2.07" | 36.10" | 0.00" | 21.90" | 8.6 F | 0.2 F |
| 10/15 | 48 F | 64 F | 56 F | 2.22" | 36.25" | 0.00" | 21.90" | 8.9 F | 0.2 F |
| 10/16 | 48 F | 64 F | 56 F | 2.37" | 36.40" | 0.00" | 21.90" | 9.2 F | 0.2 F |
| 10/17 | 48 F | 64 F | 56 F | 2.52" | 36.55" | 0.00" | 21.90" | 9.5 F | 0.1 F |
| 10/18 | 47 F | 63 F | 55 F | 2.67" | 36.70" | 0.00" | 21.90" | 9.8 F | 0.1 F |
| 10/19 | 47 F | 63 F | 55 F | 2.81" | 36.84" | 0.00" | 21.90" | 10.1 F | 0.1 F |
| 10/20 | 47 F | 63 F | 55 F | 2.96" | 36.99" | 0.00" | 21.90" | 10.4 F | 0.1 F |
| 10/21 | 47 F | 62 F | 54 F | 3.11" | 37.14" | 0.00" | 21.90" | 10.7 F | 0.1 F |
| 10/22 | 46 F | 62 F | 54 F | 3.26" | 37.29" | 0.00" | 21.90" | 11 F | 0.1 F |
| 10/23 | 46 F | 62 F | 54 F | 3.42" | 37.45" | 0.00" | 21.90" | 11.3 F | 0.1 F |
| 10/24 | 46 F | 61 F | 54 F | 3.57" | 37.60" | 0.00" | 21.90" | 11.6 F | 0.1 F |
| 10/25 | 45 F | 61 F | 53 F | 3.72" | 37.75" | 0.00" | 21.90" | 11.9 F | 0.1 F |
| 10/26 | 45 F | 61 F | 53 F | 3.87" | 37.90" | 0.00" | 21.90" | 12.2 F | N/A |
| 10/27 | 45 F | 60 F | 53 F | 4.02" | 38.05" | 0.00" | 21.90" | 12.5 F | N/A |
| 10/28 | 45 F | 60 F | 52 F | 4.18" | 38.21" | 0.00" | 21.90" | 12.7 F | N/A |
| 10/29 | 44 F | 60 F | 52 F | 4.33" | 38.36" | 0.00" | 21.90" | 13 F | N/A |
| 10/30 | 44 F | 60 F | 52 F | 4.48" | 38.51" | 0.00" | 21.90" | 13.3 F | N/A |
| 10/31 | 44 F | 59 F | 51 F | 4.63" | 38.66" | 0.00" | 21.90" | 13.6 F | N/A |
