Malcom, IA Weather & Growing Conditions
Overnight
67°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southeast wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Chance Showers And Thunderstorms | 7 mph SE | 42% |
| Saturday | 81°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 8 mph SSW | 60% |
| Saturday Night | 61°F | Chance Showers And Thunderstorms | 5 to 8 mph NNW | 47% |
| Sunday | 66°F | Chance Rain Showers | 8 to 12 mph NNE | 50% |
| Sunday Night | 55°F | Chance Rain Showers | 12 mph NE | 51% |
| Monday | 61°F | Rain Showers Likely | 12 mph NE | 55% |
| Monday Night | 49°F | Rain Showers Likely | 7 to 10 mph NE | 55% |
| Tuesday | 60°F | Chance Rain Showers then Partly Sunny | 8 mph NE | 28% |
| Tuesday Night | 45°F | Mostly Clear | 6 mph NE | 3% |
| Wednesday | 64°F | Sunny | 5 mph NE | 0% |
| Wednesday Night | 49°F | Partly Cloudy | 3 mph ENE | 3% |
| Thursday | 66°F | Partly Sunny | 3 mph E | 9% |
| Thursday Night | 53°F | Mostly Cloudy | 2 mph E | 7% |
| Friday | 68°F | Partly Sunny | 5 mph E | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Malcom, IA
Last spring frost
May 3
First fall frost
Oct 6
Growing season
155 days
Hardiness zone
5a
Explore more for Malcom, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Grinnell 3 Sw, Ia (9.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.