Marcus, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marcus, a city in Cherokee County, Iowa.
Overnight
63°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy, with a low around 63. North wind around 15 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Marcus
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Chance Showers And Thunderstorms | 15 mph N | 51% |
| Tuesday | 73°F | Patchy Smoke | 5 to 15 mph N | 63% |
| Tuesday Night | 55°F | Patchy Smoke then Mostly Cloudy | 0 to 5 mph N | 70% |
| Wednesday | 74°F | Mostly Sunny | 0 to 5 mph E | 2% |
| Wednesday Night | 53°F | Mostly Clear | 5 mph SE | 1% |
| Thursday | 81°F | Sunny | 5 to 10 mph S | 0% |
| Thursday Night | 61°F | Mostly Clear | 5 to 10 mph S | 3% |
| Friday | 86°F | Sunny | 5 to 10 mph SSW | 4% |
| Friday Night | 65°F | Mostly Clear | 5 to 10 mph S | 12% |
| Saturday | 89°F | Sunny | 5 to 15 mph S | 5% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph SSE | 22% |
| Sunday | 88°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SSE | 17% |
| Sunday Night | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 to 15 mph ESE | 17% |
| Monday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph E | 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 Aug 4, 2026.