Dubuque weather in October: Dubuque, Iowa: normal highs, lows, rain and records for October
Dubuque in October has a normal high of 60°F and a normal low of 40°F, a daily mean of 50°F, falling from 67°F on the 1st to 53°F by the 31st. Measurable precipitation falls on 9 days in a normal October, 2.93 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 16°C and low of 4°C, 74 mm of precipitation and 1 cm of snow in October.
- NOAA stationDubuque Regional Airport
- Station IDUSW00094908
- Location42.40°N 90.70°W
- Elevation1,056 ft (322 m)
- Population58,987
- Jan 27° 11°
- Feb 31° 15°
- Mar 44° 26°
- Apr 58° 37°
- May 69° 49°
- Jun 79° 59°
- Jul 82° 62°
- Aug 80° 60°
- Sep 73° 52°
- Oct 60° 40°
- Nov 45° 28°
- Dec 32° 17°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Dubuque in October?
The normal high is 60°F and the normal low 40°F, for a daily mean of 49.9°F. October is 12.4°F cooler than September and 13.5°F warmer than November. October is the 6th warmest month of the year in Dubuque and the 7th wettest. Across the month the normal high falls 14°F, from 67°F on October 1 to 53°F on October 31. From one year to the next October's mean temperature typically moves about 2.7°F either way (NOAA's standard deviation), so roughly two Octobers in three average between 47°F and 53°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 29%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 67°F | 46°F | 29% | 19% |
| October 8 | 64°F | 43°F | 28% | 18% |
| October 15 | 60°F | 40°F | 28% | 17% |
| October 22 | 57°F | 38°F | 28% | 16% |
| October 31 | 53°F | 34°F | 28% | 16% |
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 | 67°F | 46°F | 29% | 19% | 11 h 50 min |
| October 2 | 67°F | 45°F | 29% | 19% | 11 h 50 min |
| October 3 | 66°F | 45°F | 29% | 19% | 11 h 40 min |
| October 4 | 66°F | 44°F | 29% | 19% | 11 h 40 min |
| October 5 | 65°F | 44°F | 29% | 18% | 11 h 40 min |
| October 6 | 65°F | 44°F | 29% | 18% | 11 h 30 min |
| October 7 | 64°F | 43°F | 28% | 18% | 11 h 30 min |
| October 8 | 64°F | 43°F | 28% | 18% | 11 h 30 min |
| October 9 | 63°F | 43°F | 28% | 18% | 11 h 30 min |
| October 10 | 63°F | 42°F | 28% | 18% | 11 h 20 min |
| October 11 | 62°F | 42°F | 28% | 17% | 11 h 20 min |
| October 12 | 62°F | 41°F | 28% | 17% | 11 h 20 min |
| October 13 | 61°F | 41°F | 28% | 17% | 11 h 10 min |
| October 14 | 61°F | 41°F | 28% | 17% | 11 h 10 min |
| October 15 | 60°F | 40°F | 28% | 17% | 11 h 10 min |
| October 16 | 60°F | 40°F | 28% | 17% | 11 h 10 min |
| October 17 | 60°F | 40°F | 28% | 17% | 11 h |
| October 18 | 59°F | 39°F | 28% | 17% | 11 h |
| October 19 | 59°F | 39°F | 28% | 16% | 11 h |
| October 20 | 58°F | 38°F | 28% | 16% | 10 h 50 min |
| October 21 | 58°F | 38°F | 28% | 16% | 10 h 50 min |
| October 22 | 57°F | 38°F | 28% | 16% | 10 h 50 min |
| October 23 | 57°F | 37°F | 28% | 16% | 10 h 50 min |
| October 24 | 56°F | 37°F | 28% | 16% | 10 h 40 min |
| October 25 | 56°F | 37°F | 28% | 16% | 10 h 40 min |
| October 26 | 55°F | 36°F | 28% | 16% | 10 h 40 min |
| October 27 | 55°F | 36°F | 28% | 16% | 10 h 40 min |
| October 28 | 54°F | 35°F | 28% | 16% | 10 h 30 min |
| October 29 | 54°F | 35°F | 28% | 16% | 10 h 30 min |
| October 30 | 53°F | 35°F | 28% | 16% | 10 h 30 min |
| October 31 | 53°F | 34°F | 28% | 16% | 10 h 30 min |
- Normal high
- 60°FOctober average
- Normal low
- 40°FOctober average
- Precipitation
- 2.93 inmonth total
- Days with precipitation
- 90.01 inch or more
- Snowfall
- 0.5 inmonth total
- Nights at 32°F or colder
- 7
- Daylight
- 11 h 50 min to 10 h 30 minOctober 1 to October 31
- Days at 70°F or more
- 6
- Days at 80°F or more
- 1
- Sunshine
- 70%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094908; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Dubuque in October?
On a given October day the chance of 0.01 inch or more is 28% on average, highest around October 1 (29%). In all, 2.93 in falls on 9 days of a normal October, 1 of them with an inch or more.
In a normal October in Dubuque, 7 nights fall to freezing and snowfall averages 0.5 inches.
Snow falls on 1 day in a normal October.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094908.
How humid and windy is Dubuque in October?
At 3 p.m. the normal temperature is 50°F with 56% relative humidity and a dew point of 35°F; at 6 a.m. it is 38°F with 82% humidity. The wind averages 10.6 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. | 38°F | 33°F | 82% | 9.4 mph | 50% |
| 9 a.m. | 43°F | 35°F | 75% | 11.7 mph | 53% |
| noon | 48°F | 35°F | 61% | 12.8 mph | 45% |
| 3 p.m. | 50°F | 35°F | 56% | 12.5 mph | 58% |
| 6 p.m. | 44°F | 35°F | 68% | 9.3 mph | 52% |
| 9 p.m. | 42°F | 34°F | 74% | 9.9 mph | 63% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00094908. 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 Dubuque?
The warmest October temperature on Dubuque's official record (since 1874) is 90°F, on October 3, 1997; the coldest is 10°F, on October 30, 1925. The wettest October brought 8.58 in (1967); the snowiest, 9.2 inches (2019).
The October mean against the 1991-2020 normal of 49.9°F: 2021 55.5°F (+5.6), 2022 50.1°F (+0.2), 2023 52.3°F (+2.4), 2024 55.4°F (+5.5), 2025 55.8°F (+5.9). 5 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 55.5°F | +5.6°F | 4.28 in |
| 2022 | 50.1°F | +0.2°F | 0.97 in |
| 2023 | 52.3°F | +2.4°F | 5.47 in |
| 2024 | 55.4°F | +5.5°F | 2.79 in |
| 2025 | 55.8°F | +5.9°F | 1.56 in |
Source: records: ACIS, NWS threaded record DBQthr; recent months: ACIS, station USW00094908. Records and recent months use complete months only.
How does October in Dubuque compare across Iowa?
Across the 132 places PlainClimate covers in Iowa, October normal highs run from 57°F in Northwood to 67°F in Glenwood; Dubuque's is 60°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.