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What is Saint Elmo, IL, Weather Like in October?
During the month of October, Saint Elmo, IL,
has an average daytime high temperature of 67°F and an average overnight low temperature dropping to 45°F.
Around 2.89 inches of precipitation is received during the month,
with about 35.42 inches falling in a typical year.
Snow is not common in Saint Elmo, 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: 78.8 F
(+9.9 vs avg)
Average Low: 52.3 F
(+6.0 vs avg)
This month was significantly warmer than average.
Actual data from: MID_VLA9
Saint Elmo, IL Daily Weather Averages for October
Recorded at Brownstown 4 Sw
(usc00111020),
7.8 miles
SW of
Saint Elmo, 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 | 73 F | 62 F | 0.08" | 32.61" | N/A | N/A | 5.6 F | 2.1 F |
| 10/2 | 49 F | 73 F | 61 F | 0.17" | 32.70" | N/A | N/A | 5.9 F | 2 F |
| 10/3 | 49 F | 73 F | 61 F | 0.26" | 32.79" | N/A | N/A | 6.2 F | 1.8 F |
| 10/4 | 48 F | 72 F | 60 F | 0.36" | 32.89" | N/A | N/A | 6.5 F | 1.7 F |
| 10/5 | 48 F | 72 F | 60 F | 0.46" | 32.99" | N/A | N/A | 6.8 F | 1.6 F |
| 10/6 | 48 F | 71 F | 59 F | 0.55" | 33.08" | N/A | N/A | 7.1 F | 1.5 F |
| 10/7 | 47 F | 71 F | 59 F | 0.65" | 33.18" | N/A | N/A | 7.4 F | 1.4 F |
| 10/8 | 47 F | 70 F | 59 F | 0.74" | 33.27" | N/A | N/A | 7.7 F | 1.3 F |
| 10/9 | 47 F | 70 F | 58 F | 0.83" | 33.36" | N/A | N/A | 7.9 F | 1.1 F |
| 10/10 | 46 F | 69 F | 58 F | 0.92" | 33.45" | N/A | N/A | 8.2 F | 1 F |
| 10/11 | 46 F | 69 F | 57 F | 1.00" | 33.53" | N/A | N/A | 8.4 F | 0.9 F |
| 10/12 | 46 F | 68 F | 57 F | 1.08" | 33.61" | N/A | N/A | 8.7 F | 0.7 F |
| 10/13 | 46 F | 68 F | 57 F | 1.15" | 33.68" | N/A | N/A | 8.9 F | 0.6 F |
| 10/14 | 45 F | 67 F | 56 F | 1.23" | 33.76" | N/A | N/A | 9.2 F | 0.5 F |
| 10/15 | 45 F | 67 F | 56 F | 1.31" | 33.84" | N/A | N/A | 9.5 F | 0.5 F |
| 10/16 | 45 F | 67 F | 56 F | 1.39" | 33.92" | N/A | N/A | 9.7 F | 0.4 F |
| 10/17 | 45 F | 66 F | 55 F | 1.47" | 34.00" | N/A | N/A | 10.1 F | 0.4 F |
| 10/18 | 44 F | 66 F | 55 F | 1.56" | 34.09" | N/A | N/A | 10.4 F | 0.3 F |
| 10/19 | 44 F | 65 F | 55 F | 1.65" | 34.18" | N/A | N/A | 10.7 F | 0.3 F |
| 10/20 | 44 F | 65 F | 54 F | 1.74" | 34.27" | N/A | N/A | 11.1 F | 0.3 F |
| 10/21 | 44 F | 64 F | 54 F | 1.83" | 34.36" | N/A | N/A | 11.4 F | 0.3 F |
| 10/22 | 43 F | 64 F | 54 F | 1.93" | 34.46" | N/A | N/A | 11.7 F | 0.3 F |
| 10/23 | 43 F | 64 F | 53 F | 2.02" | 34.55" | N/A | N/A | 12 F | 0.3 F |
| 10/24 | 43 F | 63 F | 53 F | 2.12" | 34.65" | N/A | N/A | 12.4 F | 0.2 F |
| 10/25 | 43 F | 63 F | 53 F | 2.21" | 34.74" | N/A | N/A | 12.7 F | 0.2 F |
| 10/26 | 42 F | 62 F | 52 F | 2.31" | 34.84" | N/A | N/A | 13.1 F | 0.3 F |
| 10/27 | 42 F | 62 F | 52 F | 2.41" | 34.94" | N/A | N/A | 13.4 F | 0.3 F |
| 10/28 | 42 F | 61 F | 52 F | 2.52" | 35.05" | N/A | N/A | 13.8 F | 0.3 F |
| 10/29 | 41 F | 61 F | 51 F | 2.64" | 35.17" | N/A | N/A | 14.2 F | 0.3 F |
| 10/30 | 41 F | 60 F | 51 F | 2.76" | 35.29" | N/A | N/A | 14.5 F | 0.3 F |
| 10/31 | 41 F | 60 F | 50 F | 2.89" | 35.42" | N/A | N/A | 14.9 F | 0.3 F |
