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What is Oneco, CT, Weather Like in October?
During the month of October, Oneco, CT,
has an average daytime high temperature of 61°F and an average overnight low temperature dropping to 42°F.
Around 4.99 inches of precipitation is received during the month,
with about 44.06 inches falling in a typical year.
0.50 inches of snow is the mean amount received during October.
Annually, Oneco receives around 47.60 inches of snow.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 21, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 66.9 F
(+4.2 vs avg)
Average Low: 47 F
(+3.1 vs avg)
This month was significantly warmer than average.
Actual data from: MID_AX038
Oneco, CT Daily Weather Averages for October
Recorded at N Foster 1 E
(usc00375270),
12 miles
NNE of
Oneco, CT
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 47 F | 66 F | 57 F | 0.15" | 39.22" | 0.00" | 47.10" | 8.7 F | 0.4 F |
| 10/2 | 47 F | 66 F | 56 F | 0.30" | 39.37" | 0.00" | 47.10" | 9 F | 0.4 F |
| 10/3 | 47 F | 65 F | 56 F | 0.45" | 39.52" | 0.00" | 47.10" | 9.4 F | 0.3 F |
| 10/4 | 46 F | 65 F | 56 F | 0.60" | 39.67" | 0.00" | 47.10" | 9.7 F | 0.3 F |
| 10/5 | 46 F | 65 F | 55 F | 0.75" | 39.82" | 0.00" | 47.10" | 10 F | 0.3 F |
| 10/6 | 45 F | 64 F | 55 F | 0.91" | 39.98" | 0.00" | 47.10" | 10.4 F | 0.2 F |
| 10/7 | 45 F | 64 F | 55 F | 1.07" | 40.14" | 0.00" | 47.10" | 10.7 F | 0.2 F |
| 10/8 | 45 F | 64 F | 54 F | 1.23" | 40.30" | 0.00" | 47.10" | 11.1 F | 0.2 F |
| 10/9 | 44 F | 63 F | 54 F | 1.39" | 40.46" | 0.00" | 47.10" | 11.4 F | 0.2 F |
| 10/10 | 44 F | 63 F | 53 F | 1.55" | 40.62" | 0.00" | 47.10" | 11.8 F | 0.2 F |
| 10/11 | 44 F | 63 F | 53 F | 1.70" | 40.77" | 0.00" | 47.10" | 12.1 F | 0.2 F |
| 10/12 | 43 F | 62 F | 53 F | 1.86" | 40.93" | 0.00" | 47.10" | 12.5 F | 0.2 F |
| 10/13 | 43 F | 62 F | 52 F | 2.01" | 41.08" | 0.00" | 47.10" | 12.8 F | 0.1 F |
| 10/14 | 43 F | 61 F | 52 F | 2.17" | 41.24" | 0.00" | 47.10" | 13.1 F | 0.1 F |
| 10/15 | 42 F | 61 F | 52 F | 2.33" | 41.40" | 0.00" | 47.10" | 13.4 F | 0.1 F |
| 10/16 | 42 F | 61 F | 51 F | 2.50" | 41.57" | 0.10" | 47.20" | 13.8 F | 0.1 F |
| 10/17 | 42 F | 60 F | 51 F | 2.67" | 41.74" | 0.10" | 47.20" | 14.1 F | 0.1 F |
| 10/18 | 41 F | 60 F | 51 F | 2.84" | 41.91" | 0.10" | 47.20" | 14.4 F | 0.1 F |
| 10/19 | 41 F | 60 F | 50 F | 3.01" | 42.08" | 0.10" | 47.20" | 14.8 F | 0.1 F |
| 10/20 | 41 F | 59 F | 50 F | 3.18" | 42.25" | 0.20" | 47.30" | 15.1 F | 0.1 F |
| 10/21 | 40 F | 59 F | 50 F | 3.35" | 42.42" | 0.20" | 47.30" | 15.4 F | 0.1 F |
| 10/22 | 40 F | 59 F | 49 F | 3.52" | 42.59" | 0.20" | 47.30" | 15.7 F | 0.1 F |
| 10/23 | 40 F | 58 F | 49 F | 3.69" | 42.76" | 0.20" | 47.30" | 16.1 F | 0.1 F |
| 10/24 | 39 F | 58 F | 49 F | 3.85" | 42.92" | 0.20" | 47.30" | 16.4 F | 0.1 F |
| 10/25 | 39 F | 58 F | 48 F | 4.02" | 43.09" | 0.30" | 47.40" | 16.7 F | N/A |
| 10/26 | 39 F | 57 F | 48 F | 4.18" | 43.25" | 0.30" | 47.40" | 17 F | N/A |
| 10/27 | 38 F | 57 F | 48 F | 4.34" | 43.41" | 0.30" | 47.40" | 17.3 F | N/A |
| 10/28 | 38 F | 57 F | 47 F | 4.51" | 43.58" | 0.40" | 47.50" | 17.7 F | N/A |
| 10/29 | 38 F | 56 F | 47 F | 4.67" | 43.74" | 0.40" | 47.50" | 18 F | N/A |
| 10/30 | 38 F | 56 F | 47 F | 4.83" | 43.90" | 0.40" | 47.50" | 18.3 F | N/A |
| 10/31 | 37 F | 56 F | 46 F | 4.99" | 44.06" | 0.50" | 47.60" | 18.6 F | N/A |
