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What is Bismarck Post Office, IL, Weather Like in October?
During the month of October, Bismarck Post Office, IL,
has an average daytime high temperature of 67°F and an average overnight low temperature dropping to 45°F.
Around 3.66 inches of precipitation is received during the month,
with about 36.78 inches falling in a typical year.
Snow is not common in Bismarck Post Office, IL.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 22, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 74 F
(+5.0 vs avg)
Average Low: 51.2 F
(+5.2 vs avg)
This month was significantly warmer than average.
Actual data from: MID_C9931
Bismarck Post Office, IL Daily Weather Averages for October
Recorded at Danville
(usc00112140),
8.9 miles
SSW of
Bismarck Post Office, IL
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 50 F | 74 F | 62 F | 0.11" | 33.23" | N/A | N/A | 5.4 F | 1.9 F |
| 10/2 | 49 F | 73 F | 61 F | 0.22" | 33.34" | N/A | N/A | 5.6 F | 1.7 F |
| 10/3 | 49 F | 73 F | 61 F | 0.34" | 33.46" | N/A | N/A | 5.9 F | 1.6 F |
| 10/4 | 48 F | 72 F | 60 F | 0.45" | 33.57" | N/A | N/A | 6.2 F | 1.5 F |
| 10/5 | 48 F | 72 F | 60 F | 0.56" | 33.68" | N/A | N/A | 6.5 F | 1.4 F |
| 10/6 | 48 F | 71 F | 60 F | 0.68" | 33.80" | N/A | N/A | 6.8 F | 1.3 F |
| 10/7 | 47 F | 71 F | 59 F | 0.79" | 33.91" | N/A | N/A | 7.2 F | 1.2 F |
| 10/8 | 47 F | 70 F | 59 F | 0.90" | 34.02" | N/A | N/A | 7.5 F | 1.1 F |
| 10/9 | 47 F | 70 F | 58 F | 1.02" | 34.14" | N/A | N/A | 7.8 F | 1 F |
| 10/10 | 46 F | 69 F | 58 F | 1.13" | 34.25" | N/A | N/A | 8.1 F | 0.9 F |
| 10/11 | 46 F | 69 F | 57 F | 1.24" | 34.36" | N/A | N/A | 8.4 F | 0.8 F |
| 10/12 | 46 F | 69 F | 57 F | 1.36" | 34.48" | N/A | N/A | 8.7 F | 0.7 F |
| 10/13 | 45 F | 68 F | 57 F | 1.48" | 34.60" | N/A | N/A | 9 F | 0.7 F |
| 10/14 | 45 F | 68 F | 56 F | 1.59" | 34.71" | N/A | N/A | 9.4 F | 0.6 F |
| 10/15 | 45 F | 67 F | 56 F | 1.71" | 34.83" | N/A | N/A | 9.7 F | 0.5 F |
| 10/16 | 44 F | 67 F | 55 F | 1.84" | 34.96" | N/A | N/A | 10 F | 0.4 F |
| 10/17 | 44 F | 66 F | 55 F | 1.97" | 35.09" | N/A | N/A | 10.4 F | 0.4 F |
| 10/18 | 44 F | 66 F | 55 F | 2.09" | 35.21" | N/A | N/A | 10.8 F | 0.4 F |
| 10/19 | 43 F | 65 F | 54 F | 2.22" | 35.34" | N/A | N/A | 11.2 F | 0.3 F |
| 10/20 | 43 F | 65 F | 54 F | 2.34" | 35.46" | N/A | N/A | 11.5 F | 0.3 F |
| 10/21 | 43 F | 64 F | 53 F | 2.46" | 35.58" | N/A | N/A | 11.9 F | 0.3 F |
| 10/22 | 42 F | 64 F | 53 F | 2.58" | 35.70" | N/A | N/A | 12.3 F | 0.3 F |
| 10/23 | 42 F | 63 F | 53 F | 2.70" | 35.82" | N/A | N/A | 12.7 F | 0.3 F |
| 10/24 | 42 F | 63 F | 52 F | 2.82" | 35.94" | N/A | N/A | 13.1 F | 0.2 F |
| 10/25 | 41 F | 62 F | 52 F | 2.94" | 36.06" | N/A | N/A | 13.5 F | 0.2 F |
| 10/26 | 41 F | 62 F | 51 F | 3.06" | 36.18" | N/A | N/A | 13.8 F | 0.2 F |
| 10/27 | 41 F | 61 F | 51 F | 3.18" | 36.30" | N/A | N/A | 14.2 F | 0.2 F |
| 10/28 | 40 F | 61 F | 51 F | 3.31" | 36.43" | N/A | N/A | 14.6 F | 0.1 F |
| 10/29 | 40 F | 60 F | 50 F | 3.42" | 36.54" | N/A | N/A | 15 F | 0.1 F |
| 10/30 | 40 F | 60 F | 50 F | 3.54" | 36.66" | N/A | N/A | 15.4 F | 0.1 F |
| 10/31 | 39 F | 59 F | 49 F | 3.66" | 36.78" | N/A | N/A | 15.9 F | 0.1 F |
