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What is Pierron, IL, Weather Like in October?
During the month of October, Pierron, IL,
has an average daytime high temperature of 70°F and an average overnight low temperature dropping to 47°F.
Around 3.39 inches of precipitation is received during the month,
with about 39.04 inches falling in a typical year.
Snow is not common in Pierron, 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: 81.7 F
(+10.0 vs avg)
Average Low: 55.6 F
(+7.4 vs avg)
This month was significantly warmer than average.
Actual data from: PWS_KILCARLY16
Pierron, IL Daily Weather Averages for October
Recorded at Carlyle Rsvr
(usc00111290),
16.6 miles
SE of
Pierron, IL
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 52 F | 76 F | 64 F | 0.09" | 35.74" | N/A | N/A | 4 F | 2.8 F |
| 10/2 | 52 F | 75 F | 63 F | 0.19" | 35.84" | N/A | N/A | 4.2 F | 2.7 F |
| 10/3 | 51 F | 75 F | 63 F | 0.28" | 35.93" | N/A | N/A | 4.5 F | 2.5 F |
| 10/4 | 51 F | 75 F | 63 F | 0.38" | 36.03" | N/A | N/A | 4.8 F | 2.4 F |
| 10/5 | 50 F | 74 F | 62 F | 0.49" | 36.14" | N/A | N/A | 5 F | 2.3 F |
| 10/6 | 50 F | 74 F | 62 F | 0.59" | 36.24" | N/A | N/A | 5.3 F | 2.2 F |
| 10/7 | 50 F | 73 F | 62 F | 0.70" | 36.35" | N/A | N/A | 5.6 F | 2.1 F |
| 10/8 | 49 F | 73 F | 61 F | 0.80" | 36.45" | N/A | N/A | 5.9 F | 2 F |
| 10/9 | 49 F | 73 F | 61 F | 0.90" | 36.55" | N/A | N/A | 6.1 F | 1.8 F |
| 10/10 | 48 F | 72 F | 60 F | 1.00" | 36.65" | N/A | N/A | 6.4 F | 1.7 F |
| 10/11 | 48 F | 72 F | 60 F | 1.09" | 36.74" | N/A | N/A | 6.6 F | 1.5 F |
| 10/12 | 48 F | 71 F | 60 F | 1.18" | 36.83" | N/A | N/A | 6.9 F | 1.4 F |
| 10/13 | 47 F | 71 F | 59 F | 1.28" | 36.93" | N/A | N/A | 7.1 F | 1.3 F |
| 10/14 | 47 F | 71 F | 59 F | 1.39" | 37.04" | N/A | N/A | 7.4 F | 1.1 F |
| 10/15 | 47 F | 70 F | 58 F | 1.49" | 37.14" | N/A | N/A | 7.7 F | 1 F |
| 10/16 | 46 F | 70 F | 58 F | 1.60" | 37.25" | N/A | N/A | 8 F | 0.9 F |
| 10/17 | 46 F | 69 F | 58 F | 1.71" | 37.36" | N/A | N/A | 8.3 F | 0.8 F |
| 10/18 | 46 F | 69 F | 57 F | 1.82" | 37.47" | N/A | N/A | 8.6 F | 0.8 F |
| 10/19 | 45 F | 68 F | 57 F | 1.94" | 37.59" | N/A | N/A | 9 F | 0.7 F |
| 10/20 | 45 F | 68 F | 56 F | 2.06" | 37.71" | N/A | N/A | 9.3 F | 0.7 F |
| 10/21 | 45 F | 67 F | 56 F | 2.18" | 37.83" | N/A | N/A | 9.7 F | 0.6 F |
| 10/22 | 44 F | 67 F | 56 F | 2.30" | 37.95" | N/A | N/A | 10 F | 0.6 F |
| 10/23 | 44 F | 67 F | 55 F | 2.42" | 38.07" | N/A | N/A | 10.4 F | 0.6 F |
| 10/24 | 43 F | 66 F | 55 F | 2.54" | 38.19" | N/A | N/A | 10.8 F | 0.5 F |
| 10/25 | 43 F | 66 F | 54 F | 2.66" | 38.31" | N/A | N/A | 11.2 F | 0.5 F |
| 10/26 | 43 F | 65 F | 54 F | 2.78" | 38.43" | N/A | N/A | 11.5 F | 0.4 F |
| 10/27 | 42 F | 65 F | 54 F | 2.90" | 38.55" | N/A | N/A | 11.9 F | 0.4 F |
| 10/28 | 42 F | 64 F | 53 F | 3.02" | 38.67" | N/A | N/A | 12.3 F | 0.4 F |
| 10/29 | 42 F | 64 F | 53 F | 3.15" | 38.80" | N/A | N/A | 12.7 F | 0.4 F |
| 10/30 | 41 F | 63 F | 52 F | 3.27" | 38.92" | N/A | N/A | 13.1 F | 0.3 F |
| 10/31 | 41 F | 63 F | 52 F | 3.39" | 39.04" | N/A | N/A | 13.5 F | 0.3 F |
