October weather in Plainfield, IN
The average temperature in Plainfield in October is 55.3°F (44.7°F–65.8°F). Average precipitation: 3.36 inches.
October is a fall month in Plainfield, and is warmer than the annual average of 53.3°F. Daily temperatures swing about 21.1°F between overnight low and afternoon high. Daylight averages about 10h 55m. For travel, October is a comfortable month to visit.
Avg High
65.8°F
Avg Low
44.7°F
Precipitation
3.36 in
Daylight
10h 55m
October records in Plainfield
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 93.0°F (2019) | 42.1°F (2020) | 0.35 in (2012) |
| October 2 | 91.9°F (2019) | 39.0°F (2020) | 0.46 in (2012) |
| October 3 | 87.1°F (2018) | 43.0°F (2014) | 0.41 in (2014) |
| October 4 | 84.0°F (2023) | 37.9°F (2020) | 0.26 in (2017) |
| October 5 | 82.0°F (2024) | 33.1°F (2020) | 1.04 in (2012) |
| October 6 | 86.0°F (2016) | 34.0°F (2012) | 0.19 in (2019) |
| October 7 | 86.0°F (2018) | 35.1°F (2012) | 0.38 in (2014) |
| October 8 | 88.0°F (2018) | 30.9°F (2012) | 0.21 in (2017) |
| October 9 | 84.9°F (2018) | 35.1°F (2022) | 0.03 in (2014) |
| October 10 | 79.0°F (2020) | 37.0°F (2012) | 0.78 in (2017) |
| October 11 | 79.0°F (2020) | 30.9°F (2012) | 0.42 in (2019) |
| October 12 | 80.1°F (2015) | 33.1°F (2019) | 0.24 in (2014) |
| October 13 | 75.9°F (2014) | 36.0°F (2018) | 0.89 in (2014) |
| October 14 | 82.0°F (2017) | 36.0°F (2022) | 0.60 in (2014) |
| October 15 | 73.9°F (2016) | 37.9°F (2018) | 0.33 in (2017) |
| October 16 | 75.0°F (2011) | 32.0°F (2020) | 0.19 in (2016) |
| October 17 | 82.9°F (2016) | 33.1°F (2020) | 0.31 in (2012) |
| October 18 | 81.0°F (2025) | 30.9°F (2015) | 0.78 in (2025) |
| October 19 | 77.0°F (2016) | 30.0°F (2022) | 1.46 in (2011) |
| October 20 | 75.9°F (2017) | 27.0°F (2022) | 1.13 in (2016) |
| October 21 | 75.9°F (2015) | 28.9°F (2018) | 0.92 in (2019) |
| October 22 | 82.9°F (2015) | 32.0°F (2011) | 0.01 in (2012) |
| October 23 | 78.1°F (2022) | 35.1°F (2025) | 1.17 in (2020) |
| October 24 | 81.0°F (2012) | 32.0°F (2025) | 0.17 in (2015) |
| October 25 | 79.0°F (2012) | 35.1°F (2017) | 1.09 in (2022) |
| October 26 | 75.0°F (2023) | 34.0°F (2017) | 2.01 in (2019) |
| October 27 | 82.9°F (2014) | 35.1°F (2012) | 1.01 in (2015) |
| October 28 | 71.1°F (2014) | 34.0°F (2017) | 0.94 in (2015) |
| October 29 | 81.0°F (2016) | 30.0°F (2017) | 1.05 in (2020) |
| October 30 | 79.0°F (2024) | 28.9°F (2017) | 0.15 in (2017) |
| October 31 | 68.0°F (2024) | 24.1°F (2023) | 0.66 in (2019) |