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What is Harrell Lake North, IL, Weather Like in October?
During the month of October, Harrell Lake North, IL,
has an average daytime high temperature of 67°F and an average overnight low temperature dropping to 43°F.
Snow is not common in Harrell Lake North, IL.
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: 79.4 F
(+10.6 vs avg)
Average Low: 53.8 F
(+9.2 vs avg)
This month was significantly warmer than average.
Actual data from: PWS_KILLORAI3
Harrell Lake North, IL Daily Weather Averages for October
Recorded at Golden
(usc00113530),
8.2 miles
N of
Harrell Lake North, IL
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 48 F | 73 F | 60 F | N/A | N/A | N/A | N/A | 6.2 F | 1.7 F |
| 10/2 | 48 F | 73 F | 60 F | N/A | N/A | N/A | N/A | 6.5 F | 1.5 F |
| 10/3 | 47 F | 72 F | 60 F | N/A | N/A | N/A | N/A | 6.8 F | 1.4 F |
| 10/4 | 47 F | 72 F | 59 F | N/A | N/A | N/A | N/A | 7 F | 1.3 F |
| 10/5 | 47 F | 71 F | 59 F | N/A | N/A | N/A | N/A | 7.4 F | 1.2 F |
| 10/6 | 46 F | 71 F | 58 F | N/A | N/A | N/A | N/A | 7.7 F | 1.1 F |
| 10/7 | 46 F | 70 F | 58 F | N/A | N/A | N/A | N/A | 8 F | 1 F |
| 10/8 | 45 F | 70 F | 58 F | N/A | N/A | N/A | N/A | 8.4 F | 1 F |
| 10/9 | 45 F | 69 F | 57 F | N/A | N/A | N/A | N/A | 8.7 F | 0.9 F |
| 10/10 | 45 F | 69 F | 57 F | N/A | N/A | N/A | N/A | 9.1 F | 0.9 F |
| 10/11 | 44 F | 69 F | 56 F | N/A | N/A | N/A | N/A | 9.4 F | 0.8 F |
| 10/12 | 44 F | 68 F | 56 F | N/A | N/A | N/A | N/A | 9.7 F | 0.7 F |
| 10/13 | 44 F | 68 F | 56 F | N/A | N/A | N/A | N/A | 10 F | 0.6 F |
| 10/14 | 43 F | 67 F | 55 F | N/A | N/A | N/A | N/A | 10.3 F | 0.5 F |
| 10/15 | 43 F | 67 F | 55 F | N/A | N/A | N/A | N/A | 10.6 F | 0.4 F |
| 10/16 | 43 F | 66 F | 54 F | N/A | N/A | N/A | N/A | 10.9 F | 0.3 F |
| 10/17 | 42 F | 66 F | 54 F | N/A | N/A | N/A | N/A | 11.3 F | 0.3 F |
| 10/18 | 42 F | 65 F | 54 F | N/A | N/A | N/A | N/A | 11.6 F | 0.2 F |
| 10/19 | 42 F | 65 F | 53 F | N/A | N/A | N/A | N/A | 12 F | 0.2 F |
| 10/20 | 41 F | 64 F | 53 F | N/A | N/A | N/A | N/A | 12.4 F | 0.2 F |
| 10/21 | 41 F | 64 F | 52 F | N/A | N/A | N/A | N/A | 12.7 F | 0.2 F |
| 10/22 | 41 F | 63 F | 52 F | N/A | N/A | N/A | N/A | 13.1 F | 0.1 F |
| 10/23 | 40 F | 63 F | 52 F | N/A | N/A | N/A | N/A | 13.5 F | 0.1 F |
| 10/24 | 40 F | 62 F | 51 F | N/A | N/A | N/A | N/A | 13.9 F | 0.1 F |
| 10/25 | 40 F | 62 F | 51 F | N/A | N/A | N/A | N/A | 14.3 F | 0.1 F |
| 10/26 | 39 F | 62 F | 50 F | N/A | N/A | N/A | N/A | 14.7 F | 0.1 F |
| 10/27 | 39 F | 61 F | 50 F | N/A | N/A | N/A | N/A | 15.1 F | 0.1 F |
| 10/28 | 39 F | 61 F | 50 F | N/A | N/A | N/A | N/A | 15.5 F | 0.1 F |
| 10/29 | 38 F | 60 F | 49 F | N/A | N/A | N/A | N/A | 15.9 F | 0.1 F |
| 10/30 | 38 F | 60 F | 49 F | N/A | N/A | N/A | N/A | 16.4 F | 0.1 F |
| 10/31 | 38 F | 59 F | 48 F | N/A | N/A | N/A | N/A | 16.8 F | N/A |
