Marshalltown weather in March: Marshalltown, Iowa: normal highs, lows, rain and records for March
Marshalltown in March has a normal high of 46°F and a normal low of 26°F, a daily mean of 36°F, rising from 38°F on the 1st to 54°F by the 31st. Measurable precipitation falls on 8 days in a normal March, 1.64 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 8°C and low of −4°C, 42 mm of precipitation in March.
- 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 March?
The normal high is 46°F and the normal low 26°F, for a daily mean of 35.7°F. March is 12.5°F warmer than February and 12.6°F cooler than April. March is the 9th warmest month of the year in Marshalltown and the 9th wettest. Across the month the normal high rises 16°F, from 38°F on March 1 to 54°F on March 31. From one year to the next March's mean temperature typically moves about 5.0°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 31°F and 41°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 |
|---|---|---|---|---|
| March 1 | 38°F | 19°F | 22% | 9% |
| March 8 | 42°F | 22°F | 24% | 11% |
| March 15 | 45°F | 25°F | 26% | 13% |
| March 22 | 49°F | 28°F | 28% | 14% |
| March 31 | 54°F | 31°F | 31% | 17% |
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| March 1 | 38°F | 19°F | 22% | 9% | 11 h 10 min |
| March 2 | 38°F | 20°F | 22% | 9% | 11 h 10 min |
| March 3 | 39°F | 20°F | 23% | 9% | 11 h 20 min |
| March 4 | 39°F | 21°F | 23% | 10% | 11 h 20 min |
| March 5 | 40°F | 21°F | 23% | 10% | 11 h 20 min |
| March 6 | 41°F | 22°F | 24% | 10% | 11 h 30 min |
| March 7 | 41°F | 22°F | 24% | 11% | 11 h 30 min |
| March 8 | 42°F | 22°F | 24% | 11% | 11 h 30 min |
| March 9 | 42°F | 23°F | 24% | 11% | 11 h 30 min |
| March 10 | 43°F | 23°F | 25% | 11% | 11 h 40 min |
| March 11 | 43°F | 24°F | 25% | 12% | 11 h 40 min |
| March 12 | 44°F | 24°F | 25% | 12% | 11 h 40 min |
| March 13 | 44°F | 25°F | 25% | 12% | 11 h 50 min |
| March 14 | 45°F | 25°F | 26% | 12% | 11 h 50 min |
| March 15 | 45°F | 25°F | 26% | 13% | 11 h 50 min |
| March 16 | 46°F | 26°F | 26% | 13% | 11 h 50 min |
| March 17 | 47°F | 26°F | 26% | 13% | 12 h |
| March 18 | 47°F | 27°F | 27% | 13% | 12 h |
| March 19 | 48°F | 27°F | 27% | 14% | 12 h |
| March 20 | 48°F | 27°F | 27% | 14% | 12 h 10 min |
| March 21 | 49°F | 28°F | 28% | 14% | 12 h 10 min |
| March 22 | 49°F | 28°F | 28% | 14% | 12 h 10 min |
| March 23 | 50°F | 29°F | 28% | 15% | 12 h 10 min |
| March 24 | 50°F | 29°F | 29% | 15% | 12 h 20 min |
| March 25 | 51°F | 29°F | 29% | 15% | 12 h 20 min |
| March 26 | 51°F | 30°F | 29% | 16% | 12 h 20 min |
| March 27 | 52°F | 30°F | 30% | 16% | 12 h 30 min |
| March 28 | 52°F | 30°F | 30% | 16% | 12 h 30 min |
| March 29 | 53°F | 31°F | 31% | 17% | 12 h 30 min |
| March 30 | 53°F | 31°F | 31% | 17% | 12 h 30 min |
| March 31 | 54°F | 31°F | 31% | 17% | 12 h 40 min |
- Normal high
- 46°FMarch average
- Normal low
- 26°FMarch average
- Precipitation
- 1.64 inmonth total
- Days with precipitation
- 80.01 inch or more
- Nights at 32°F or colder
- 23
- Daylight
- 11 h 10 min to 12 h 40 minMarch 1 to March 31
- Days at 70°F or more
- 2
- Sunshine
- 72%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 March?
On a given March day the chance of 0.01 inch or more is 26% on average, highest around March 31 (31%). In all, 1.64 in falls on 8 days of a normal March.
In a normal March in Marshalltown, 23 nights fall to freezing and 5 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094988.
What are the records for March in Marshalltown?
The warmest March temperature on this station's record (since 1996) is 88°F, on March 21, 2026; the coldest is −16°F, on March 3, 2014. The wettest March brought 3.21 in (2007).
The March mean against the 1991-2020 normal of 35.7°F: 2021 40.9°F (+5.1), 2022 36.4°F (+0.7), 2023 34.9°F (−0.8), 2024 41.0°F (+5.3), 2025 43.2°F (+7.5), 2026 42.4°F (+6.6). 5 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 40.9°F | +5.1°F | 1.72 in |
| 2022 | 36.4°F | +0.7°F | 2.84 in |
| 2023 | 34.9°F | −0.8°F | – |
| 2024 | 41.0°F | +5.3°F | 2.16 in |
| 2025 | 43.2°F | +7.5°F | 2.73 in |
| 2026 | 42.4°F | +6.6°F | 2.48 in |
Source: records: ACIS, station USW00094988; recent months: ACIS, station USW00094988. Records and recent months use complete months only.
How does March in Marshalltown compare across Iowa?
Across the 132 places PlainClimate covers in Iowa, March normal highs run from 38°F in Northwood to 52°F in Shenandoah; Marshalltown's is 46°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.