Rockford weather in October: Rockford, Illinois: normal highs, lows, rain and records for October
Rockford in October has a normal high of 62°F and a normal low of 42°F, a daily mean of 52°F, falling from 69°F on the 1st to 55°F by the 31st. Measurable precipitation falls on 10 days in a normal October, 2.63 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 17°C and low of 5°C, 67 mm of precipitation and 1 cm of snow in October.
- NOAA stationRockford Greater Rockford Airport
- Station IDUSW00094822
- Location42.19°N 89.09°W
- Elevation730 ft (223 m)
- From the center5 miles
- Population147,486
- Jan 29° 15°
- Feb 33° 18°
- Mar 47° 28°
- Apr 60° 39°
- May 71° 50°
- Jun 81° 60°
- Jul 84° 64°
- Aug 82° 62°
- Sep 75° 54°
- Oct 62° 42°
- Nov 47° 31°
- Dec 34° 20°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Rockford in October?
The normal high is 62°F and the normal low 42°F, for a daily mean of 52.0°F. October is 12.4°F cooler than September and 13.2°F warmer than November. October is the 6th warmest month of the year in Rockford and the 7th wettest. Across the month the normal high falls 14°F, from 69°F on October 1 to 55°F on October 31. From one year to the next October's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 49°F and 55°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 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 69°F | 47°F | 30% | 17% |
| October 8 | 66°F | 45°F | 30% | 17% |
| October 15 | 63°F | 42°F | 30% | 17% |
| October 22 | 60°F | 40°F | 30% | 17% |
| October 31 | 55°F | 37°F | 30% | 17% |
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 | 69°F | 47°F | 30% | 17% | 11 h 50 min |
| October 2 | 69°F | 47°F | 30% | 17% | 11 h 50 min |
| October 3 | 68°F | 46°F | 30% | 17% | 11 h 40 min |
| October 4 | 68°F | 46°F | 30% | 17% | 11 h 40 min |
| October 5 | 68°F | 46°F | 30% | 17% | 11 h 40 min |
| October 6 | 67°F | 45°F | 30% | 17% | 11 h 30 min |
| October 7 | 67°F | 45°F | 30% | 17% | 11 h 30 min |
| October 8 | 66°F | 45°F | 30% | 17% | 11 h 30 min |
| October 9 | 66°F | 44°F | 30% | 17% | 11 h 30 min |
| October 10 | 65°F | 44°F | 30% | 17% | 11 h 20 min |
| October 11 | 65°F | 44°F | 30% | 17% | 11 h 20 min |
| October 12 | 64°F | 43°F | 30% | 17% | 11 h 20 min |
| October 13 | 64°F | 43°F | 30% | 17% | 11 h 10 min |
| October 14 | 63°F | 42°F | 30% | 17% | 11 h 10 min |
| October 15 | 63°F | 42°F | 30% | 17% | 11 h 10 min |
| October 16 | 62°F | 42°F | 30% | 17% | 11 h 10 min |
| October 17 | 62°F | 41°F | 30% | 17% | 11 h |
| October 18 | 61°F | 41°F | 30% | 17% | 11 h |
| October 19 | 61°F | 41°F | 30% | 17% | 11 h |
| October 20 | 61°F | 40°F | 30% | 17% | 11 h |
| October 21 | 60°F | 40°F | 30% | 17% | 10 h 50 min |
| October 22 | 60°F | 40°F | 30% | 17% | 10 h 50 min |
| October 23 | 59°F | 39°F | 30% | 17% | 10 h 50 min |
| October 24 | 59°F | 39°F | 30% | 17% | 10 h 40 min |
| October 25 | 58°F | 39°F | 30% | 17% | 10 h 40 min |
| October 26 | 58°F | 38°F | 30% | 17% | 10 h 40 min |
| October 27 | 57°F | 38°F | 30% | 17% | 10 h 40 min |
| October 28 | 57°F | 38°F | 30% | 17% | 10 h 30 min |
| October 29 | 56°F | 37°F | 30% | 17% | 10 h 30 min |
| October 30 | 56°F | 37°F | 30% | 17% | 10 h 30 min |
| October 31 | 55°F | 37°F | 30% | 17% | 10 h 30 min |
- Normal high
- 62°FOctober average
- Normal low
- 42°FOctober average
- Precipitation
- 2.63 inmonth total
- Days with precipitation
- 100.01 inch or more
- Snowfall
- 0.2 inmonth total
- 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
- 8
- Days at 80°F or more
- 2
- Sunshine
- 70%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094822; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Rockford in October?
On a given October day the chance of 0.01 inch or more is 30% on average, highest around October 13 (30%). In all, 2.63 in falls on 10 days of a normal October, 1 of them with an inch or more.
In a normal October in Rockford, 5 nights fall to freezing and snowfall averages 0.2 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094822.
How humid and windy is Rockford in October?
At 3 p.m. the normal temperature is 52°F with 54% relative humidity and a dew point of 36°F; at 6 a.m. it is 40°F with 81% humidity. The wind averages 9.5 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 40°F | 35°F | 81% | 8.0 mph | 36% |
| 9 a.m. | 45°F | 37°F | 73% | 10.6 mph | – |
| noon | 51°F | 36°F | 57% | 12.4 mph | 24% |
| 3 p.m. | 52°F | 36°F | 54% | 12.1 mph | – |
| 6 p.m. | 47°F | 36°F | 65% | 8.9 mph | 27% |
| 9 p.m. | 43°F | 35°F | 73% | 8.4 mph | 40% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00094822. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for October in Rockford?
The warmest October temperature on Rockford's official record (since 1893) is 91°F, on October 2, 1922; the coldest is 7°F, on October 30, 1925. The wettest October brought 8.32 in (1969); the snowiest, 5.0 inches (1929).
The October mean against the 1991-2020 normal of 52.0°F: 2021 57.9°F (+5.9), 2022 51.2°F (−0.8), 2023 52.9°F (+0.9), 2024 56.2°F (+4.2), 2025 56.2°F (+4.2). 4 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 57.9°F | +5.9°F | 5.36 in |
| 2022 | 51.2°F | −0.8°F | 1.52 in |
| 2023 | 52.9°F | +0.9°F | 4.60 in |
| 2024 | 56.2°F | +4.2°F | 0.79 in |
| 2025 | 56.2°F | +4.2°F | 1.40 in |
Source: records: ACIS, NWS threaded record RFDthr; recent months: ACIS, station USW00094822. Records and recent months use complete months only.
How does October in Rockford 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; Rockford's is 62°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.