Marcus, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marcus, a city in Cherokee County, Iowa.
Tonight
64°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am, then patchy fog and a chance of showers and thunderstorms between 2am and 3am, then areas of fog and a chance of showers and thunderstorms between 3am and 4am, then patchy fog and a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. North northwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Marcus
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Chance Showers And Thunderstorms | 5 to 10 mph NNW | 35% |
| Saturday | 71°F | Patchy Fog then Cloudy | 5 to 10 mph N | 22% |
| Saturday Night | 57°F | Slight Chance Rain Showers then Cloudy | 10 mph NNE | 20% |
| Sunday | 65°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph NE | 25% |
| Sunday Night | 53°F | Rain Showers Likely | 10 mph ENE | 58% |
| Monday | 58°F | Rain Showers Likely | 10 mph ENE | 62% |
| Monday Night | 48°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph ENE | 42% |
| Tuesday | 60°F | Partly Sunny | 5 to 10 mph E | 9% |
| Tuesday Night | 46°F | Partly Cloudy | 5 mph ESE | 0% |
| Wednesday | 65°F | Mostly Sunny | 5 mph SE | 6% |
| Wednesday Night | 50°F | Mostly Cloudy then Chance Rain Showers | 5 mph SE | 29% |
| Thursday | 67°F | Chance Rain Showers | 5 mph SSE | 29% |
| Thursday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 17% |
| Friday | 68°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph SE | 17% |
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 Sep 19, 2026.