Marshalltown weather in October: Marshalltown, Iowa: normal highs, lows, rain and records for October
Marshalltown in October has a normal high of 62°F and a normal low of 39°F, a daily mean of 50°F, falling from 70°F on the 1st to 54°F by the 31st. Measurable precipitation falls on 10 days in a normal October, 2.45 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 17°C and low of 4°C, 62 mm of precipitation in October.
- NOAA stationMarshalltown Municipal Airport
- Station IDUSW00094988
- Location42.11°N 92.92°W
- Elevation974 ft (297 m)
- From the center5 miles
- Population27,886
- Jan 28° 10°
- Feb 32° 14°
- Mar 46° 26°
- Apr 60° 37°
- May 71° 49°
- Jun 81° 59°
- Jul 83° 62°
- Aug 81° 60°
- Sep 75° 51°
- Oct 62° 39°
- Nov 46° 26°
- Dec 33° 16°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Marshalltown in October?
The normal high is 62°F and the normal low 39°F, for a daily mean of 50.2°F. October is 12.6°F cooler than September and 14.0°F warmer than November. October is the 6th warmest month of the year in Marshalltown and the 7th wettest. Across the month the normal high falls 16°F, from 70°F on October 1 to 54°F on October 31. From one year to the next October's mean temperature typically moves about 2.8°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 31%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| October 1 | 70°F | 45°F | 31% | 19% |
| October 8 | 66°F | 42°F | 30% | 18% |
| October 15 | 62°F | 39°F | 30% | 16% |
| October 22 | 59°F | 36°F | 29% | 15% |
| October 31 | 54°F | 33°F | 27% | 13% |
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 | 70°F | 45°F | 31% | 19% | 11 h 50 min |
| October 2 | 69°F | 44°F | 31% | 19% | 11 h 50 min |
| October 3 | 69°F | 44°F | 31% | 19% | 11 h 40 min |
| October 4 | 68°F | 44°F | 31% | 18% | 11 h 40 min |
| October 5 | 68°F | 43°F | 30% | 18% | 11 h 40 min |
| October 6 | 67°F | 43°F | 30% | 18% | 11 h 30 min |
| October 7 | 67°F | 42°F | 30% | 18% | 11 h 30 min |
| October 8 | 66°F | 42°F | 30% | 18% | 11 h 30 min |
| October 9 | 66°F | 42°F | 30% | 18% | 11 h 30 min |
| October 10 | 65°F | 41°F | 30% | 17% | 11 h 20 min |
| October 11 | 65°F | 41°F | 30% | 17% | 11 h 20 min |
| October 12 | 64°F | 40°F | 30% | 17% | 11 h 20 min |
| October 13 | 64°F | 40°F | 30% | 17% | 11 h 10 min |
| October 14 | 63°F | 40°F | 30% | 17% | 11 h 10 min |
| October 15 | 62°F | 39°F | 30% | 16% | 11 h 10 min |
| October 16 | 62°F | 39°F | 30% | 16% | 11 h 10 min |
| October 17 | 61°F | 38°F | 30% | 16% | 11 h |
| October 18 | 61°F | 38°F | 30% | 16% | 11 h |
| October 19 | 60°F | 38°F | 30% | 16% | 11 h |
| October 20 | 60°F | 37°F | 30% | 15% | 11 h |
| October 21 | 59°F | 37°F | 29% | 15% | 10 h 50 min |
| October 22 | 59°F | 36°F | 29% | 15% | 10 h 50 min |
| October 23 | 58°F | 36°F | 29% | 15% | 10 h 50 min |
| October 24 | 58°F | 35°F | 29% | 15% | 10 h 40 min |
| October 25 | 57°F | 35°F | 29% | 15% | 10 h 40 min |
| October 26 | 57°F | 35°F | 28% | 14% | 10 h 40 min |
| October 27 | 56°F | 34°F | 28% | 14% | 10 h 40 min |
| October 28 | 55°F | 34°F | 28% | 14% | 10 h 30 min |
| October 29 | 55°F | 33°F | 27% | 14% | 10 h 30 min |
| October 30 | 54°F | 33°F | 27% | 14% | 10 h 30 min |
| October 31 | 54°F | 33°F | 27% | 13% | 10 h 30 min |
- Normal high
- 62°FOctober average
- Normal low
- 39°FOctober average
- Precipitation
- 2.45 inmonth total
- Days with precipitation
- 100.01 inch or more
- Nights at 32°F or colder
- 9
- 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
- 71%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094988; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Marshalltown in October?
On a given October day the chance of 0.01 inch or more is 30% on average, highest around October 1 (31%). In all, 2.45 in falls on 10 days of a normal October, 1 of them with an inch or more.
In a normal October in Marshalltown, 9 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094988.
What are the records for October in Marshalltown?
The warmest October temperature on this station's record (since 1996) is 93°F, on October 3, 1997; the coldest is 11°F, on October 27, 1997. The wettest October brought 6.08 in (2009).
The October mean against the 1991-2020 normal of 50.2°F: 2021 54.5°F (+4.3), 2022 50.2°F (at normal), 2023 53.2°F (+3.0), 2024 57.1°F (+6.9), 2025 56.1°F (+5.9). 4 of 5 ran warmer than normal.
| October | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 54.5°F | +4.3°F | 5.42 in |
| 2022 | 50.2°F | at normal | 1.19 in |
| 2023 | 53.2°F | +3.0°F | 3.21 in |
| 2024 | 57.1°F | +6.9°F | 1.78 in |
| 2025 | 56.1°F | +5.9°F | 1.65 in |
Source: records: ACIS, station USW00094988; recent months: ACIS, station USW00094988. Records and recent months use complete months only.
How does October in Marshalltown 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; Marshalltown's is 62°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.