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What is Brookfield, IL, Weather Like in October?
During the month of October, Brookfield, IL,
has an average daytime high temperature of 64°F and an average overnight low temperature dropping to 47°F.
Around 3.48 inches of precipitation is received during the month,
with about 30.28 inches falling in a typical year.
Snow is not common in Brookfield, IL.
October 2025: Actual vs. Average Temperatures
Showing temperatures through today (October 20, 2025)
Actual High
Average High
Actual Low
Average Low
Month Summary
Average High: 72.5 F
(+6.2 vs avg)
Average Low: 57.9 F
(+9.1 vs avg)
This month was significantly warmer than average.
Actual data from: KMDW
Brookfield, IL Daily Weather Averages for October
Recorded at Chicago Midway Ap
(usw00014819),
5.8 miles
ESE of
Brookfield, IL
| Day | Avg Temps (°F) | Precip (in) | Snow (in) | Degree Days (°F) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Low | High | Mean | Month | Year | Month | Year | Heat | Cool | |
| 10/1 | 53 F | 70 F | 62 F | 0.11" | 26.91" | N/A | N/A | 5.4 F | 1.9 F |
| 10/2 | 52 F | 70 F | 61 F | 0.23" | 27.03" | N/A | N/A | 5.7 F | 1.7 F |
| 10/3 | 52 F | 70 F | 61 F | 0.34" | 27.14" | N/A | N/A | 6 F | 1.6 F |
| 10/4 | 51 F | 69 F | 60 F | 0.45" | 27.25" | N/A | N/A | 6.3 F | 1.5 F |
| 10/5 | 51 F | 69 F | 60 F | 0.55" | 27.35" | N/A | N/A | 6.7 F | 1.4 F |
| 10/6 | 50 F | 68 F | 59 F | 0.66" | 27.46" | N/A | N/A | 7 F | 1.3 F |
| 10/7 | 50 F | 68 F | 59 F | 0.76" | 27.56" | N/A | N/A | 7.4 F | 1.2 F |
| 10/8 | 50 F | 67 F | 58 F | 0.87" | 27.67" | N/A | N/A | 7.7 F | 1.2 F |
| 10/9 | 49 F | 67 F | 58 F | 0.99" | 27.79" | N/A | N/A | 8.1 F | 1.1 F |
| 10/10 | 49 F | 66 F | 58 F | 1.11" | 27.91" | N/A | N/A | 8.4 F | 1 F |
| 10/11 | 48 F | 66 F | 57 F | 1.23" | 28.03" | N/A | N/A | 8.7 F | 0.8 F |
| 10/12 | 48 F | 65 F | 57 F | 1.36" | 28.16" | N/A | N/A | 9.1 F | 0.7 F |
| 10/13 | 48 F | 65 F | 56 F | 1.48" | 28.28" | N/A | N/A | 9.4 F | 0.6 F |
| 10/14 | 47 F | 64 F | 56 F | 1.60" | 28.40" | N/A | N/A | 9.7 F | 0.5 F |
| 10/15 | 47 F | 64 F | 55 F | 1.72" | 28.52" | N/A | N/A | 10.1 F | 0.4 F |
| 10/16 | 46 F | 63 F | 55 F | 1.84" | 28.64" | N/A | N/A | 10.5 F | 0.4 F |
| 10/17 | 46 F | 63 F | 55 F | 1.96" | 28.76" | N/A | N/A | 10.9 F | 0.3 F |
| 10/18 | 46 F | 63 F | 54 F | 2.07" | 28.87" | N/A | N/A | 11.3 F | 0.3 F |
| 10/19 | 45 F | 62 F | 54 F | 2.18" | 28.98" | N/A | N/A | 11.7 F | 0.3 F |
| 10/20 | 45 F | 62 F | 53 F | 2.29" | 29.09" | N/A | N/A | 12.1 F | 0.3 F |
| 10/21 | 45 F | 61 F | 53 F | 2.40" | 29.20" | N/A | N/A | 12.5 F | 0.2 F |
| 10/22 | 44 F | 61 F | 52 F | 2.51" | 29.31" | N/A | N/A | 12.9 F | 0.2 F |
| 10/23 | 44 F | 60 F | 52 F | 2.62" | 29.42" | N/A | N/A | 13.3 F | 0.2 F |
| 10/24 | 43 F | 60 F | 52 F | 2.73" | 29.53" | N/A | N/A | 13.7 F | 0.2 F |
| 10/25 | 43 F | 59 F | 51 F | 2.84" | 29.64" | N/A | N/A | 14.1 F | 0.2 F |
| 10/26 | 43 F | 59 F | 51 F | 2.95" | 29.75" | N/A | N/A | 14.5 F | 0.1 F |
| 10/27 | 42 F | 58 F | 50 F | 3.06" | 29.86" | N/A | N/A | 14.9 F | 0.1 F |
| 10/28 | 42 F | 58 F | 50 F | 3.17" | 29.97" | N/A | N/A | 15.3 F | 0.1 F |
| 10/29 | 42 F | 57 F | 49 F | 3.28" | 30.08" | N/A | N/A | 15.7 F | 0.1 F |
| 10/30 | 41 F | 57 F | 49 F | 3.38" | 30.18" | N/A | N/A | 16.2 F | 0.1 F |
| 10/31 | 41 F | 56 F | 49 F | 3.48" | 30.28" | N/A | N/A | 16.6 F | 0.1 F |
