Champaign weather in October: Champaign, Illinois: normal highs, lows, rain and records for October
Champaign in October has a normal high of 67°F and a normal low of 43°F, a daily mean of 55°F, falling from 74°F on the 1st to 59°F by the 31st. Measurable precipitation falls on 10 days in a normal October, 3.03 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 6°C, 77 mm of precipitation in October.
- NOAA stationChampaign Willard Airport
- Station IDUSW00094870
- Location40.04°N 88.28°W
- Elevation754 ft (230 m)
- From the center5 miles
- Population91,961
- Jan 34° 18°
- Feb 39° 22°
- Mar 52° 31°
- Apr 65° 41°
- May 76° 52°
- Jun 84° 62°
- Jul 85° 64°
- Aug 84° 62°
- Sep 79° 55°
- Oct 67° 43°
- Nov 52° 32°
- Dec 39° 24°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Champaign in October?
The normal high is 67°F and the normal low 43°F, for a daily mean of 55.0°F. October is 12.0°F cooler than September and 13.1°F warmer than November. October is the 6th warmest month of the year in Champaign and the 7th wettest. Across the month the normal high falls 15°F, from 74°F on October 1 to 59°F on October 31. From one year to the next October's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 53°F and 57°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 31%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 74°F | 49°F | 31% | 17% |
| October 8 | 71°F | 46°F | 31% | 17% |
| October 15 | 68°F | 44°F | 31% | 18% |
| October 22 | 64°F | 41°F | 31% | 18% |
| October 31 | 59°F | 38°F | 31% | 18% |
Every day of October: normal high, low and chance of precipitation (warmest afternoon October 1, coldest night October 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| October 1 | 74°F | 49°F | 31% | 17% | 11 h 50 min |
| October 2 | 74°F | 48°F | 31% | 17% | 11 h 50 min |
| October 3 | 74°F | 48°F | 31% | 17% | 11 h 40 min |
| October 4 | 73°F | 48°F | 31% | 17% | 11 h 40 min |
| October 5 | 73°F | 47°F | 31% | 17% | 11 h 40 min |
| October 6 | 72°F | 47°F | 31% | 17% | 11 h 40 min |
| October 7 | 72°F | 47°F | 31% | 17% | 11 h 30 min |
| October 8 | 71°F | 46°F | 31% | 17% | 11 h 30 min |
| October 9 | 71°F | 46°F | 31% | 17% | 11 h 30 min |
| October 10 | 70°F | 45°F | 31% | 17% | 11 h 30 min |
| October 11 | 70°F | 45°F | 31% | 17% | 11 h 20 min |
| October 12 | 69°F | 45°F | 31% | 17% | 11 h 20 min |
| October 13 | 69°F | 44°F | 31% | 17% | 11 h 20 min |
| October 14 | 68°F | 44°F | 31% | 17% | 11 h 20 min |
| October 15 | 68°F | 44°F | 31% | 18% | 11 h 10 min |
| October 16 | 67°F | 43°F | 31% | 18% | 11 h 10 min |
| October 17 | 67°F | 43°F | 31% | 18% | 11 h 10 min |
| October 18 | 66°F | 42°F | 31% | 18% | 11 h 10 min |
| October 19 | 65°F | 42°F | 31% | 18% | 11 h |
| October 20 | 65°F | 42°F | 31% | 18% | 11 h |
| October 21 | 64°F | 41°F | 31% | 18% | 11 h |
| October 22 | 64°F | 41°F | 31% | 18% | 11 h |
| October 23 | 63°F | 40°F | 31% | 18% | 10 h 50 min |
| October 24 | 63°F | 40°F | 31% | 18% | 10 h 50 min |
| October 25 | 62°F | 40°F | 31% | 18% | 10 h 50 min |
| October 26 | 62°F | 39°F | 31% | 18% | 10 h 50 min |
| October 27 | 61°F | 39°F | 31% | 18% | 10 h 40 min |
| October 28 | 61°F | 39°F | 31% | 18% | 10 h 40 min |
| October 29 | 60°F | 38°F | 31% | 18% | 10 h 40 min |
| October 30 | 60°F | 38°F | 31% | 18% | 10 h 40 min |
| October 31 | 59°F | 38°F | 31% | 18% | 10 h 30 min |
- Normal high
- 67°FOctober average
- Normal low
- 43°FOctober average
- Precipitation
- 3.03 inmonth total
- Days with precipitation
- 100.01 inch or more
- Nights at 32°F or colder
- 5
- Daylight
- 11 h 50 min to 10 h 30 minOctober 1 to October 31
- Days at 70°F or more
- 12
- Days at 80°F or more
- 5
- Sunshine
- 72%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094870; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Champaign in October?
On a given October day the chance of 0.01 inch or more is 31% on average, highest around October 14 (31%). In all, 3.03 in falls on 10 days of a normal October, 1 of them with an inch or more.
In a normal October in Champaign, 5 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094870.
What are the records for October in Champaign?
The warmest October temperature on this station's record (since 1997) is 93°F, on October 7, 2007; the coldest is 21°F, on October 21, 2018. The wettest October brought 8.32 in (2009).
The October mean against the 1991-2020 normal of 55.0°F: 2021 60.4°F (+5.4), 2022 53.8°F (−1.2), 2023 56.4°F (+1.4), 2024 58.6°F (+3.6), 2025 59.5°F (+4.5). 4 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 60.4°F | +5.4°F | 6.63 in |
| 2022 | 53.8°F | −1.2°F | 2.35 in |
| 2023 | 56.4°F | +1.4°F | 4.76 in |
| 2024 | 58.6°F | +3.6°F | 0.71 in |
| 2025 | 59.5°F | +4.5°F | 0.13 in |
Source: records: ACIS, station USW00094870; recent months: ACIS, station USW00094870. Records and recent months use complete months only.
How does October in Champaign compare across Illinois?
Across the 144 places PlainClimate covers in Illinois, October normal highs run from 60°F in Barrington to 73°F in Anna; Champaign's is 67°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.