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What is Mound City, IL, Weather Like in October?
During the month of October, Mound City, IL,
has an average daytime high temperature of 71°F and an average overnight low temperature dropping to 48°F.
Around 4.14 inches of precipitation is received during the month,
with about 42.29 inches falling in a typical year.
Snow is not common in Mound City, IL.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 26, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 78.2 F
(+6.0 vs avg)
Average Low: 53.2 F
(+4.3 vs avg)
This month was significantly warmer than average.
Actual data from: KCIR
Mound City, IL Daily Weather Averages for October
Recorded at Cairo 3n
(usw00093809),
3.2 miles
SSW of
Mound City, IL
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 54 F | 77 F | 65 F | 0.13" | 38.28" | N/A | N/A | 3.1 F | 3.2 F |
| 10/2 | 53 F | 76 F | 65 F | 0.26" | 38.41" | N/A | N/A | 3.3 F | 3 F |
| 10/3 | 53 F | 76 F | 64 F | 0.40" | 38.55" | N/A | N/A | 3.5 F | 2.8 F |
| 10/4 | 52 F | 75 F | 64 F | 0.55" | 38.70" | N/A | N/A | 3.7 F | 2.6 F |
| 10/5 | 52 F | 75 F | 64 F | 0.70" | 38.85" | N/A | N/A | 3.9 F | 2.4 F |
| 10/6 | 52 F | 75 F | 63 F | 0.84" | 38.99" | N/A | N/A | 4.2 F | 2.3 F |
| 10/7 | 51 F | 74 F | 63 F | 0.99" | 39.14" | N/A | N/A | 4.4 F | 2.1 F |
| 10/8 | 51 F | 74 F | 62 F | 1.13" | 39.28" | N/A | N/A | 4.7 F | 2 F |
| 10/9 | 50 F | 74 F | 62 F | 1.27" | 39.42" | N/A | N/A | 4.9 F | 1.9 F |
| 10/10 | 50 F | 73 F | 62 F | 1.42" | 39.57" | N/A | N/A | 5.2 F | 1.8 F |
| 10/11 | 50 F | 73 F | 61 F | 1.55" | 39.70" | N/A | N/A | 5.4 F | 1.6 F |
| 10/12 | 49 F | 73 F | 61 F | 1.69" | 39.84" | N/A | N/A | 5.6 F | 1.5 F |
| 10/13 | 49 F | 72 F | 60 F | 1.82" | 39.97" | N/A | N/A | 5.9 F | 1.3 F |
| 10/14 | 48 F | 72 F | 60 F | 1.97" | 40.12" | N/A | N/A | 6.1 F | 1.1 F |
| 10/15 | 48 F | 71 F | 60 F | 2.11" | 40.26" | N/A | N/A | 6.3 F | 1 F |
| 10/16 | 48 F | 71 F | 59 F | 2.25" | 40.40" | N/A | N/A | 6.6 F | 0.9 F |
| 10/17 | 47 F | 71 F | 59 F | 2.40" | 40.55" | N/A | N/A | 6.9 F | 0.8 F |
| 10/18 | 47 F | 70 F | 59 F | 2.55" | 40.70" | N/A | N/A | 7.3 F | 0.8 F |
| 10/19 | 47 F | 70 F | 58 F | 2.70" | 40.85" | N/A | N/A | 7.6 F | 0.8 F |
| 10/20 | 46 F | 70 F | 58 F | 2.83" | 40.98" | N/A | N/A | 7.9 F | 0.7 F |
| 10/21 | 46 F | 69 F | 57 F | 2.95" | 41.10" | N/A | N/A | 8.3 F | 0.7 F |
| 10/22 | 45 F | 69 F | 57 F | 3.08" | 41.23" | N/A | N/A | 8.6 F | 0.7 F |
| 10/23 | 45 F | 68 F | 57 F | 3.20" | 41.35" | N/A | N/A | 9 F | 0.6 F |
| 10/24 | 45 F | 68 F | 56 F | 3.31" | 41.46" | N/A | N/A | 9.3 F | 0.6 F |
| 10/25 | 44 F | 68 F | 56 F | 3.43" | 41.58" | N/A | N/A | 9.7 F | 0.5 F |
| 10/26 | 44 F | 67 F | 56 F | 3.54" | 41.69" | N/A | N/A | 10 F | 0.5 F |
| 10/27 | 44 F | 67 F | 55 F | 3.66" | 41.81" | N/A | N/A | 10.3 F | 0.5 F |
| 10/28 | 43 F | 66 F | 55 F | 3.78" | 41.93" | N/A | N/A | 10.7 F | 0.4 F |
| 10/29 | 43 F | 66 F | 54 F | 3.90" | 42.05" | N/A | N/A | 11.1 F | 0.4 F |
| 10/30 | 43 F | 65 F | 54 F | 4.02" | 42.17" | N/A | N/A | 11.4 F | 0.4 F |
| 10/31 | 42 F | 65 F | 54 F | 4.14" | 42.29" | N/A | N/A | 11.8 F | 0.4 F |
