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What is New Haven Coast Guard Station, CT, Weather Like in October?
During the month of October, New Haven Coast Guard Station, CT,
has an average daytime high temperature of 64°F and an average overnight low temperature dropping to 46°F.
Around 3.78 inches of precipitation is received during the month,
with about 35.14 inches falling in a typical year.
Snow is not common in New Haven Coast Guard Station, CT.
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: 67.8 F
(+2.8 vs avg)
Average Low: 51.5 F
(+4.6 vs avg)
Nighttime temperatures were significantly above average.
Actual data from: KHVN
New Haven Coast Guard Station, CT Daily Weather Averages for October
Recorded at New Haven Tweed Ap
(usw00014758),
0.7 miles
ESE of
New Haven Coast Guard Station, CT
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 52 F | 69 F | 61 F | 0.13" | 31.49" | N/A | N/A | 5.4 F | 0.9 F |
| 10/2 | 51 F | 69 F | 60 F | 0.25" | 31.61" | N/A | N/A | 5.8 F | 0.8 F |
| 10/3 | 51 F | 69 F | 60 F | 0.37" | 31.73" | N/A | N/A | 6.1 F | 0.8 F |
| 10/4 | 50 F | 68 F | 59 F | 0.49" | 31.85" | N/A | N/A | 6.4 F | 0.7 F |
| 10/5 | 50 F | 68 F | 59 F | 0.61" | 31.97" | N/A | N/A | 6.8 F | 0.6 F |
| 10/6 | 50 F | 67 F | 59 F | 0.73" | 32.09" | N/A | N/A | 7.1 F | 0.6 F |
| 10/7 | 49 F | 67 F | 58 F | 0.85" | 32.21" | N/A | N/A | 7.5 F | 0.5 F |
| 10/8 | 49 F | 67 F | 58 F | 0.97" | 32.33" | N/A | N/A | 7.8 F | 0.5 F |
| 10/9 | 48 F | 66 F | 57 F | 1.09" | 32.45" | N/A | N/A | 8.2 F | 0.4 F |
| 10/10 | 48 F | 66 F | 57 F | 1.22" | 32.58" | N/A | N/A | 8.5 F | 0.4 F |
| 10/11 | 47 F | 66 F | 57 F | 1.34" | 32.70" | N/A | N/A | 8.9 F | 0.4 F |
| 10/12 | 47 F | 65 F | 56 F | 1.46" | 32.82" | N/A | N/A | 9.3 F | 0.4 F |
| 10/13 | 47 F | 65 F | 56 F | 1.58" | 32.94" | N/A | N/A | 9.6 F | 0.3 F |
| 10/14 | 46 F | 64 F | 55 F | 1.71" | 33.07" | N/A | N/A | 10 F | 0.3 F |
| 10/15 | 46 F | 64 F | 55 F | 1.84" | 33.20" | N/A | N/A | 10.3 F | 0.3 F |
| 10/16 | 45 F | 64 F | 55 F | 1.97" | 33.33" | N/A | N/A | 10.7 F | 0.2 F |
| 10/17 | 45 F | 63 F | 54 F | 2.10" | 33.46" | N/A | N/A | 11.1 F | 0.2 F |
| 10/18 | 45 F | 63 F | 54 F | 2.22" | 33.58" | N/A | N/A | 11.4 F | 0.2 F |
| 10/19 | 44 F | 63 F | 53 F | 2.35" | 33.71" | N/A | N/A | 11.8 F | 0.2 F |
| 10/20 | 44 F | 62 F | 53 F | 2.48" | 33.84" | N/A | N/A | 12.1 F | 0.2 F |
| 10/21 | 43 F | 62 F | 53 F | 2.60" | 33.96" | N/A | N/A | 12.5 F | 0.2 F |
| 10/22 | 43 F | 62 F | 52 F | 2.73" | 34.09" | N/A | N/A | 12.8 F | 0.1 F |
| 10/23 | 43 F | 61 F | 52 F | 2.86" | 34.22" | N/A | N/A | 13.2 F | 0.1 F |
| 10/24 | 42 F | 61 F | 52 F | 2.99" | 34.35" | N/A | N/A | 13.5 F | 0.1 F |
| 10/25 | 42 F | 61 F | 51 F | 3.12" | 34.48" | N/A | N/A | 13.9 F | 0.1 F |
| 10/26 | 42 F | 60 F | 51 F | 3.24" | 34.60" | N/A | N/A | 14.2 F | 0.1 F |
| 10/27 | 41 F | 60 F | 51 F | 3.35" | 34.71" | N/A | N/A | 14.5 F | 0.1 F |
| 10/28 | 41 F | 60 F | 50 F | 3.46" | 34.82" | N/A | N/A | 14.8 F | 0.1 F |
| 10/29 | 41 F | 59 F | 50 F | 3.57" | 34.93" | N/A | N/A | 15.2 F | 0.1 F |
| 10/30 | 40 F | 59 F | 50 F | 3.68" | 35.04" | N/A | N/A | 15.5 F | 0.1 F |
| 10/31 | 40 F | 59 F | 49 F | 3.78" | 35.14" | N/A | N/A | 15.8 F | N/A |
