Marcus, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marcus, a city in Cherokee County, Iowa.
Tonight
39°F
Rain Showers
Rain showers. Cloudy. Low around 39, with temperatures rising to around 43 overnight. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Marcus
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 39°F | Rain Showers | 15 to 20 mph NW | 95% |
| Wednesday | 46°F | Rain Showers | 15 to 20 mph WNW | 77% |
| Wednesday Night | 37°F | Rain Showers Likely | 10 to 15 mph NW | 62% |
| Thursday | 47°F | Chance Rain Showers | 10 to 15 mph NNW | 32% |
| Thursday Night | 33°F | Mostly Cloudy | 5 to 10 mph N | 1% |
| Friday | 47°F | Partly Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 31°F | Mostly Cloudy | 0 mph | 0% |
| Saturday | 55°F | Mostly Sunny | 0 to 10 mph SW | 2% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 4% |
| Sunday | 58°F | Sunny | 5 to 10 mph WSW | 4% |
| Sunday Night | 38°F | Mostly Clear | 5 to 10 mph SSW | 0% |
| Monday | 61°F | Sunny | 10 mph WSW | 0% |
| Monday Night | 38°F | Mostly Clear | 5 mph NW | 0% |
| Tuesday | 58°F | Mostly Sunny | 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Marcus (42.822, -95.807). Updated through the day.
Growing snapshot for Marcus
Last spring frost
May 4
First fall frost
Oct 4
Growing season
152 days
Hardiness zone
5a
More local growing data for Marcus: nearby ZIP 51035 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cherokee, Ia (13.4 mi from Marcus). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.