Malvern, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Malvern, a city in Mills County, Iowa.
Tonight
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 10pm. Mostly cloudy. Low around 69, with temperatures rising to around 72 overnight. South southeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Malvern
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Chance Showers And Thunderstorms | 7 to 10 mph SSE | 51% |
| Saturday | 80°F | Chance Showers And Thunderstorms | 8 mph NNW | 41% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 9 mph NNW | 44% |
| Sunday | 67°F | Chance Rain Showers | 8 to 12 mph NNE | 44% |
| Sunday Night | 59°F | Chance Rain Showers | 10 mph NE | 48% |
| Monday | 61°F | Chance Rain Showers | 10 mph NE | 53% |
| Monday Night | 54°F | Chance Rain Showers then Mostly Cloudy | 6 to 9 mph NE | 53% |
| Tuesday | 61°F | Mostly Cloudy | 8 mph NE | 8% |
| Tuesday Night | 50°F | Partly Cloudy | 6 mph E | 3% |
| Wednesday | 65°F | Mostly Sunny | 5 mph ESE | 5% |
| Wednesday Night | 54°F | Mostly Cloudy | 3 mph ESE | 13% |
| Thursday | 66°F | Chance Rain Showers | 6 mph SE | 30% |
| Thursday Night | 57°F | Slight Chance Rain Showers | 5 mph SE | 21% |
| Friday | 67°F | Slight Chance Rain Showers | 3 to 7 mph SE | 19% |
Forecast source: National Weather Service (api.weather.gov) for Malvern (41.004, -95.584). Updated through the day.
Growing snapshot for Malvern
Last spring frost
Apr 23
First fall frost
Oct 11
Growing season
170 days
Hardiness zone
5b
More local growing data for Malvern: nearby ZIP 51551 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Glenwood 3Sw, Ia (9.8 mi from Malvern). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.