Plainfield Weather in October
Average highs run from 65°F on October 1 to 51°F on October 31, and lows from 43°F to 32°F. Normal precipitation for the month is 2.71 in over about 10 wet days.
October day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
October at a glance
- Average high
- 58°F
- Average low
- 37°F
- Precipitation
- 2.71 in
- Snowfall
- 0.3 in
- Record high
- 91°FOct 1, 1976
- Record low
- 0°FOct 30, 1925
- Chance of a freeze
- 100%
- Daylight
- 11 h 43 min to 10 h 15 min
- Cloud cover
- 65%
- Humidity
- 76%
- Dew point
- 40°F
- Wind
- 11.0 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Oct 1 | 65°F | 43°F | 91°F 1976 | 23°F 1974 | 33% | 0% |
| Oct 2 | 65°F | 43°F | 90°F 1976 | 16°F 1974 | 33% | 0% |
| Oct 3 | 64°F | 42°F | 84°F 1922 | 19°F 1987 | 33% | 0% |
| Oct 4 | 64°F | 42°F | 85°F 1922 | 23°F 1989 | 33% | 0% |
| Oct 5 | 64°F | 42°F | 87°F 1922 | 20°F 1952 | 33% | 0% |
| Oct 6 | 63°F | 41°F | 90°F 1963 | 13°F 1935 | 33% | 1% |
| Oct 7 | 63°F | 41°F | 84°F 1916 | 19°F 1952 | 33% | 1% |
| Oct 8 | 62°F | 40°F | 84°F 1966 | 21°F 1937 | 33% | 1% |
| Oct 9 | 62°F | 40°F | 81°F 2010 | 24°F 1972 | 33% | 1% |
| Oct 10 | 61°F | 40°F | 87°F 1938 | 12°F 1964 | 33% | 1% |
| Oct 11 | 61°F | 39°F | 84°F 1928 | 15°F 1906 | 32% | 1% |
| Oct 12 | 60°F | 39°F | 84°F 1918 | 18°F 1988 | 32% | 1% |
| Oct 13 | 60°F | 38°F | 85°F 1975 | 16°F 1937 | 32% | 1% |
| Oct 14 | 59°F | 38°F | 84°F 1947 | 17°F 1937 | 32% | 1% |
| Oct 15 | 59°F | 38°F | 86°F 1947 | 21°F 2002 | 32% | 1% |
| Oct 16 | 58°F | 37°F | 85°F 1938 | 19°F 1952 | 32% | 1% |
| Oct 17 | 58°F | 37°F | 83°F 1910 | 15°F 1952 | 32% | 1% |
| Oct 18 | 57°F | 37°F | 85°F 1950 | 15°F 1948 | 32% | 1% |
| Oct 19 | 57°F | 36°F | 80°F 1953 | 11°F 1972 | 31% | 1% |
| Oct 20 | 56°F | 36°F | 85°F 1953 | 9°F 1952 | 31% | 2% |
| Oct 21 | 56°F | 36°F | 87°F 1947 | 12°F 1960 | 31% | 2% |
| Oct 22 | 55°F | 35°F | 83°F 1947 | 15°F 1925 | 31% | 2% |
| Oct 23 | 55°F | 35°F | 81°F 1963 | 12°F 1936 | 31% | 2% |
| Oct 24 | 54°F | 35°F | 78°F 1989 | 13°F 1960 | 31% | 2% |
| Oct 25 | 54°F | 34°F | 79°F 1989 | 17°F 1968 | 31% | 2% |
| Oct 26 | 53°F | 34°F | 83°F 1927 | 8°F 1962 | 30% | 2% |
| Oct 27 | 53°F | 33°F | 83°F 1927 | 16°F 1976 | 30% | 2% |
| Oct 28 | 52°F | 33°F | 74°F 1966 | 16°F 1909 | 30% | 2% |
| Oct 29 | 52°F | 33°F | 82°F 1937 | 12°F 1952 | 30% | 3% |
| Oct 30 | 51°F | 32°F | 80°F 2024 | 0°F 1925 | 30% | 3% |
| Oct 31 | 51°F | 32°F | 78°F 1950 | 14°F 1917 | 29% | 3% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- October 1
- sunrise 6:56 AM, sunset 6:39 PM
- October 31
- sunrise 7:34 AM, sunset 5:49 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00473405 (Hancock Exp Farm), public domain. Records: NOAA GHCN-Daily, station USC00473405, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.